newlib-cygwin/winsup/cygwin/debug.cc

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/* debug.cc
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Red Hat, Inc.
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This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
#include <malloc.h>
#include "sync.h"
#include "sigproc.h"
#include "pinfo.h"
#include "perprocess.h"
#include "security.h"
#include "cygerrno.h"
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
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#ifdef DEBUGGING
#include "path.h"
* devices.cc: New file. * devices.gperf: New file. * devices.shilka: New file. * cygwin-gperf: New file. * cygwin-shilka: New file. * fhandler_fifo.cc: New file. * fhandler_nodevice.cc : New file. Reorganize headers so that path.h precedes fhandler.h throughout. Remove device argument and unit arguments from fhandler constructors throughout. Remove pc arguments to fhandler functions and use internal pc element instead, throughout. Use dev element in pc throughout. Use major/minor elements rather than units and device numbers previously in fhandler class. Use correct methods for fhandler file names rather than directly accessing file name variables, throughout. * Makefile.in (DLL_OFILES): Add devices.o, fhandler_fifo.o * dcrt0.cc (dll_crt0_1): Call device::init. * devices.h: Renumber devices based on more Linux-like major/minor numbers. Add more devices. Declare standard device storage. (device): Declare struct. * dir.cc (opendir): Use new 'build_fh_name' to construct a fhandler_* type. * dtable.cc (dtable::get_debugger_info): Ditto. (cygwin_attach_handle_to_fd): Ditto. (dtable::release): Remove special FH_SOCKET case in favor of generic "need_fixup_before" test. (dtable::init_std_file_from_handle): Use either build_fh_dev or build_fh_name to build standard fhandler. (dtable::build_fh_name): Renamed from dtable::build_fhandler_from_name. Move out of dtable class. Don't accept a path_conv argument. Just build it here and pass it to: (build_fh_pc): Renamed from dtable::build_fhandler. Move out of dtable class. Use intrinsic device type in path_conv to create new fhandler. (build_fh_dev): Renamed from dtable::build_fhandler. Move out of dtable class. Simplify arguments to just take new 'device' type and a name. Just return pointer to fhandler rather than trying to insert into dtable. (dtable::dup_worker): Accommodate above build_fh name changes. (dtable::find_fifo): New (currently broken) function. (handle_to_fn): Use strechr for efficiency. * dtable.h: Reflect above build_fh name changes and argument differences. (fhandler_base *&operator []): Return self rather than copy of self. * fhandler.cc (fhandler_base::operator =): Use pc element to set normalized path. (fhandler_base::set_name): Ditto. (fhandler_base::raw_read): Use method to access name. (fhandler_base::write): Correctly use get_output_handle rather than get_handle. (handler_base::device_access_denied): New function. (fhandler_base::open): Eliminate pc argument and use pc element of fhandler_base throughout. (fhandler_base::fstat): Detect if device is based in filesystem and use fstat_fs to calculate stat, if so. (fhandler_base::fhandler_base): Eliminate handling of file names and, instead, just free appropriate component from pc. (fhandler_base::opendir): Remove path_conv parameter. * fhandler.h: Remove all device flags. (fhandler_base::pc): New element. (fhandler_base::set_name): Change argument to path_conv. (fhandler_base::error): New function. (fhandler_base::exists): New function. (fhandler_base::pc_binmode): New function. (fhandler_base::dev): New function. (fhandler_base::open_fs): New function. (fhandler_base::fstat_fs): New function. (fhandler_base::fstat_by_name): New function. (fhandler_base::fstat_by_handle): New function. (fhandler_base::isfifo): New function. (fhandler_base::is_slow): New function. (fhandler_base::is_auto_device): New function. (fhandler_base::is_fs_special): New function. (fhandler_base::device_access_denied): New function. (fhandler_base::operator DWORD&): New operator. (fhandler_base::get_name): Return normalized path from pc. (fhandler_base::get_win32_name): Return windows path from pc. (fhandler_base::isdevice): Renamed from is_device. (fhandler_base::get_native_name): Return device format. (fhandler_fifo): New class. (fhandler_nodevice): New class. (select_stuff::device_specific): Remove array. (select_stuff::device_specific_pipe): New class element. (select_stuff::device_specific_socket): New class element. (select_stuff::device_specific_serial): New class element. (select_stuff::select_stuff): Initialize new elements. * fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Move to base class from fhandler_disk_file. (fhandler_base::fstat_by_name): Ditto. (fhandler_base::fstat_by_name): Ditto. (fhandler_disk_file::open): Move most functionality into fhandler_base::open_fs. (fhandler_base::open_fs): New function. (fhandler_disk_file::close): Move most functionality into fhandler_base::close_fs. (fhandler_base::close_fs): New function. * fhandler_mem.cc (fhandler_dev_mem::open): Use device name in debugging output. * fhandler_socket.cc (fhandler_socket::set_connect_secret): Copy standard urandom device into appropriate place. (fhandler_socket::accept): Reflect change in fdsock return value. * fhandler_tty.cc: See "throughouts" above. * net.cc: Accommodate fdsock change throughout. (fdsock): Return success or failure, accept fd argument and device argument. * path.cc (symlink_info::major): New element. (symlink_info::minor): New element. (symlink_info::parse_device): Declare new function. (fs_info::update): Accommodate changes in path_conv class. (path_conv::fillin): Ditto. (path_conv::return_and_clear_normalized_path): Eliminate. (path_conv::set_normalized_path): New function. (path_conv::path_conv): Set info in dev element. Use path_conv methods Check for FH_FS rather than FH_BAD to indicate when to fill in filesystem stuff. where appropriate rather than direct access. Use set_normalized_path to set normalized path. (windows_device_names): Eliminate. (get_dev): Ditto. (get_raw_device_number): Ditto. (get_device_number): Ditto. (win32_device_name): Call new device name parser to do most of the heavy lifting. (mount_info::conv_to_win32_path): Fill in dev field as appropriate. (symlink_worker): Handle new device files. (symlink_info::check): Ditto. (symlink_info::parse_device): Define new function. * path.h (executable_states): Move here from fhandler.h. (fs_info): Rename variables to *_storage and create methods for accessing same. (path_conv): Add dev element, remove devn and unit and adjust inline methods to accommodate. (set_normalized_path): Declare new function. * pinfo.cc (_pinfo::commune_recv): Add broken support for handling fifos. (_pinfo::commune_send): Ditto. * pipe.cc (fhandler_pipe::close): check for existence of handle before closing it. (handler_pipe::create): Rename from make_pipe. Change arguments to accept fhandler_pipe array. Accommodate fifos. (pipe): Rework to deal with fhandler_pipe::create changes. (_pipe): Ditto. * select.cc: Use individual device_specific types throughout rather than indexing with obsolete device number. (set_bits): Use is_socket call rather than checking device number. * shared_info.h (CURR_MOUNT_MAGIC): Update. (conv_to_win32_path): Reflect addition of device argument. * syscalls.cc (mknod_worker): New function. (open): Use build_fh_name to build fhandler. (chown_worker): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. (chmod_device): New function. (chmod): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. Use chmod_device to set mode of in-filesystem devices. (stat_worker): Eliminate path_conv argument. Call build_fh_name to construct fhandler. Use fh->error() rather than pc->error to detect errors in fhandler construction. (access_worker): New function pulled from access. Accommodate in-filesystem devices. (access): Use access_worker. (fpathconf): Detect if this is an 'auto' device rather than an on-filesystem device and handle appropriately. (mknod_worker): New function. (mknod32): New function. (chroot): Free normalized path -- assuming it was actually cmalloced. * tty.cc (create_tty_master): Tweak for new device class. (tty::common_init): Ditto. * winsup.h (stat_worker): Remove. (symlink_worker): Declare. * exceptions.cc (set_process_mask): Just call sig_dispatch_pending and don't worry about pending_signals since sig_dispatch_pending should always do the right thing now. (sig_handle): Reorganize SIGCONT handling to more closely conform to SUSv3. * pinfo.h: Move __SIG enum to sigproc.h. (PICOM_FIFO): New enum element. (_pinfo): Remove 'thread2signal' stuff throughout class. (_pinfo::commune_send): Make varargs. (_pinfo::sigtodo): Eliminate. (_pinfo::thread2signal): Ditto. * signal.cc (kill_worker): Eliminate call to setthread2signal. * sigproc.cc (local_sigtodo): Eliminate. (getlocal_sigtodo): Ditto. (sigelem): New class. (pending_signals): New class. (sigqueue): New variable, start of sigqueue linked list. (sigcatch_nonmain): Eliminate. (sigcatch_main): Eliminate. (sigcatch_nosync): Eliminate. (sigcomplete_nonmain): Eliminate. (pending_signals): Eliminate. (sig_clear): Call signal thread to clear pending signals, unless already in signal thread. (sigpending): Call signal thread to get pending signals. (sig_dispatch_pending): Eliminate use of pending_signals and just check sigqueue. (sigproc_terminate): Eliminate all of the obsolete semaphore stuff. Close signal pipe handle. (sig_send): Eliminate all of the obsolete semaphore stuff and use pipe to send signals. (getevent): Eliminate. (pending_signals::add): New function. (pending_signals::del): New function. (pending_signals::next): New function. (wait_sig): Eliminate all of the obsolete semaphore stuff. Use pipe to communicate and maintain a linked list of signals. * sigproc.h: Move __SIG defines here. Add __SIGPENDING. (sig_dispatch_pending): Remove "C" specifier. (sig_handle): Accept a mask argument. * thread.cc: Remove signal handling considerations throughout.
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#include "fhandler.h"
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
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#include "dtable.h"
#include "cygheap.h"
#endif
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#undef CloseHandle
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#ifdef DEBUGGING
/* Here lies extra debugging routines which help track down internal
Cygwin problems when compiled with -DDEBUGGING . */
#include <stdlib.h>
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
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#define NFREEH (sizeof (cygheap->debug.freeh) / sizeof (cygheap->debug.freeh[0]))
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class lock_debug
* sync.h (new_muto): Just accept an argument which denotes the name of the muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
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{
* sync.h (muto::operator int): New operator. (locker): Remove unused class. (new_muto): Delete. (new_muto1): Ditto. (new_muto_name): Ditto. * cygheap.cc (cygheap_setup_for_child): Reflect use of static storage for muto rather than pointer. (_csbrk): Ditto. (_cmalloc): Ditto. (_cmalloc): Ditto. (_cfree): Ditto. * cygheap.h (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_drive): Ditto. * cygmalloc.h (__malloc_lock): Ditto. (__malloc_unlock): Ditto. * cygtls.cc (sentry::lock): Ditto. (sentry::sentry): Ditto. (~sentry): Ditto. (_cygtls::init): Ditto. * dcrt0.cc: Ditto. (cygwin_atexit): Ditto. (cygwin_exit): Ditto. * debug.cc (lock_debug::locker): Ditto. (lock_debug::lock_debug): Ditto. (lock_debug::unlock): Ditto. (debug_init): Ditto. * dtable.cc (dtable::init_lock): Ditto. * dtable.h (dtable::lock_cs): Ditto. (dtable::lock): Ditto. (dtable::unlock): Ditto. * exceptions.cc (mask_sync): Ditto. (sighold): Ditto. (set_process_mask_delta): Ditto. (set_signal_mask): Ditto. (events_init): Ditto. * grp.cc (pwdgrp::pwdgrp): Ditto. * malloc_wrapper.cc (mallock): Ditto. (malloc_init): Ditto. * path.cc (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::init): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * pwdgrp.h (pwdgrp::pglock): Ditto. (pwdgrp::refresh): Ditto. * sigproc.cc (sync_proc_subproc): Ditto. (get_proc_lock): Ditto. (proc_subproc): Ditto. (_cygtls::remove_wq): Ditto. (proc_terminate): Ditto. (sigproc_init): Ditto. * timer.cc (lock_timer_tracker::protect): Ditto. (lock_timer_tracker::lock_timer_tracker): Ditto. (lock_timer_tracker::~lock_timer_tracker): Ditto. * wininfo.cc (wininfo::_lock;): Ditto. (wininfo::winthread): Ditto. (operator HWND): Ditto. (wininfo::lock): Ditto. (wininfo::release): Ditto. * wininfo.h (wininfo::_lock;): Ditto.
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static muto locker;
bool acquired;
public:
lock_debug () : acquired (0)
{
* sync.h (muto::operator int): New operator. (locker): Remove unused class. (new_muto): Delete. (new_muto1): Ditto. (new_muto_name): Ditto. * cygheap.cc (cygheap_setup_for_child): Reflect use of static storage for muto rather than pointer. (_csbrk): Ditto. (_cmalloc): Ditto. (_cmalloc): Ditto. (_cfree): Ditto. * cygheap.h (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_drive): Ditto. * cygmalloc.h (__malloc_lock): Ditto. (__malloc_unlock): Ditto. * cygtls.cc (sentry::lock): Ditto. (sentry::sentry): Ditto. (~sentry): Ditto. (_cygtls::init): Ditto. * dcrt0.cc: Ditto. (cygwin_atexit): Ditto. (cygwin_exit): Ditto. * debug.cc (lock_debug::locker): Ditto. (lock_debug::lock_debug): Ditto. (lock_debug::unlock): Ditto. (debug_init): Ditto. * dtable.cc (dtable::init_lock): Ditto. * dtable.h (dtable::lock_cs): Ditto. (dtable::lock): Ditto. (dtable::unlock): Ditto. * exceptions.cc (mask_sync): Ditto. (sighold): Ditto. (set_process_mask_delta): Ditto. (set_signal_mask): Ditto. (events_init): Ditto. * grp.cc (pwdgrp::pwdgrp): Ditto. * malloc_wrapper.cc (mallock): Ditto. (malloc_init): Ditto. * path.cc (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::init): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * pwdgrp.h (pwdgrp::pglock): Ditto. (pwdgrp::refresh): Ditto. * sigproc.cc (sync_proc_subproc): Ditto. (get_proc_lock): Ditto. (proc_subproc): Ditto. (_cygtls::remove_wq): Ditto. (proc_terminate): Ditto. (sigproc_init): Ditto. * timer.cc (lock_timer_tracker::protect): Ditto. (lock_timer_tracker::lock_timer_tracker): Ditto. (lock_timer_tracker::~lock_timer_tracker): Ditto. * wininfo.cc (wininfo::_lock;): Ditto. (wininfo::winthread): Ditto. (operator HWND): Ditto. (wininfo::lock): Ditto. (wininfo::release): Ditto. * wininfo.h (wininfo::_lock;): Ditto.
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if (locker.name && !exit_state)
acquired = !!locker.acquire (INFINITE);
}
void unlock ()
{
* sync.h (muto::operator int): New operator. (locker): Remove unused class. (new_muto): Delete. (new_muto1): Ditto. (new_muto_name): Ditto. * cygheap.cc (cygheap_setup_for_child): Reflect use of static storage for muto rather than pointer. (_csbrk): Ditto. (_cmalloc): Ditto. (_cmalloc): Ditto. (_cfree): Ditto. * cygheap.h (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_drive): Ditto. * cygmalloc.h (__malloc_lock): Ditto. (__malloc_unlock): Ditto. * cygtls.cc (sentry::lock): Ditto. (sentry::sentry): Ditto. (~sentry): Ditto. (_cygtls::init): Ditto. * dcrt0.cc: Ditto. (cygwin_atexit): Ditto. (cygwin_exit): Ditto. * debug.cc (lock_debug::locker): Ditto. (lock_debug::lock_debug): Ditto. (lock_debug::unlock): Ditto. (debug_init): Ditto. * dtable.cc (dtable::init_lock): Ditto. * dtable.h (dtable::lock_cs): Ditto. (dtable::lock): Ditto. (dtable::unlock): Ditto. * exceptions.cc (mask_sync): Ditto. (sighold): Ditto. (set_process_mask_delta): Ditto. (set_signal_mask): Ditto. (events_init): Ditto. * grp.cc (pwdgrp::pwdgrp): Ditto. * malloc_wrapper.cc (mallock): Ditto. (malloc_init): Ditto. * path.cc (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::init): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * pwdgrp.h (pwdgrp::pglock): Ditto. (pwdgrp::refresh): Ditto. * sigproc.cc (sync_proc_subproc): Ditto. (get_proc_lock): Ditto. (proc_subproc): Ditto. (_cygtls::remove_wq): Ditto. (proc_terminate): Ditto. (sigproc_init): Ditto. * timer.cc (lock_timer_tracker::protect): Ditto. (lock_timer_tracker::lock_timer_tracker): Ditto. (lock_timer_tracker::~lock_timer_tracker): Ditto. * wininfo.cc (wininfo::_lock;): Ditto. (wininfo::winthread): Ditto. (operator HWND): Ditto. (wininfo::lock): Ditto. (wininfo::release): Ditto. * wininfo.h (wininfo::_lock;): Ditto.
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if (locker.name && acquired)
{
* sync.h (muto::operator int): New operator. (locker): Remove unused class. (new_muto): Delete. (new_muto1): Ditto. (new_muto_name): Ditto. * cygheap.cc (cygheap_setup_for_child): Reflect use of static storage for muto rather than pointer. (_csbrk): Ditto. (_cmalloc): Ditto. (_cmalloc): Ditto. (_cfree): Ditto. * cygheap.h (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_drive): Ditto. * cygmalloc.h (__malloc_lock): Ditto. (__malloc_unlock): Ditto. * cygtls.cc (sentry::lock): Ditto. (sentry::sentry): Ditto. (~sentry): Ditto. (_cygtls::init): Ditto. * dcrt0.cc: Ditto. (cygwin_atexit): Ditto. (cygwin_exit): Ditto. * debug.cc (lock_debug::locker): Ditto. (lock_debug::lock_debug): Ditto. (lock_debug::unlock): Ditto. (debug_init): Ditto. * dtable.cc (dtable::init_lock): Ditto. * dtable.h (dtable::lock_cs): Ditto. (dtable::lock): Ditto. (dtable::unlock): Ditto. * exceptions.cc (mask_sync): Ditto. (sighold): Ditto. (set_process_mask_delta): Ditto. (set_signal_mask): Ditto. (events_init): Ditto. * grp.cc (pwdgrp::pwdgrp): Ditto. * malloc_wrapper.cc (mallock): Ditto. (malloc_init): Ditto. * path.cc (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::init): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * pwdgrp.h (pwdgrp::pglock): Ditto. (pwdgrp::refresh): Ditto. * sigproc.cc (sync_proc_subproc): Ditto. (get_proc_lock): Ditto. (proc_subproc): Ditto. (_cygtls::remove_wq): Ditto. (proc_terminate): Ditto. (sigproc_init): Ditto. * timer.cc (lock_timer_tracker::protect): Ditto. (lock_timer_tracker::lock_timer_tracker): Ditto. (lock_timer_tracker::~lock_timer_tracker): Ditto. * wininfo.cc (wininfo::_lock;): Ditto. (wininfo::winthread): Ditto. (operator HWND): Ditto. (wininfo::lock): Ditto. (wininfo::release): Ditto. * wininfo.h (wininfo::_lock;): Ditto.
2005-04-05 12:31:00 +08:00
locker.release ();
acquired = false;
}
}
* sync.h (new_muto): Just accept an argument which denotes the name of the muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
2002-02-23 03:33:41 +08:00
~lock_debug () {unlock ();}
friend void debug_init ();
* sync.h (new_muto): Just accept an argument which denotes the name of the muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
2002-02-23 03:33:41 +08:00
};
2000-02-18 03:38:33 +08:00
* sync.h (muto::operator int): New operator. (locker): Remove unused class. (new_muto): Delete. (new_muto1): Ditto. (new_muto_name): Ditto. * cygheap.cc (cygheap_setup_for_child): Reflect use of static storage for muto rather than pointer. (_csbrk): Ditto. (_cmalloc): Ditto. (_cmalloc): Ditto. (_cfree): Ditto. * cygheap.h (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_drive): Ditto. * cygmalloc.h (__malloc_lock): Ditto. (__malloc_unlock): Ditto. * cygtls.cc (sentry::lock): Ditto. (sentry::sentry): Ditto. (~sentry): Ditto. (_cygtls::init): Ditto. * dcrt0.cc: Ditto. (cygwin_atexit): Ditto. (cygwin_exit): Ditto. * debug.cc (lock_debug::locker): Ditto. (lock_debug::lock_debug): Ditto. (lock_debug::unlock): Ditto. (debug_init): Ditto. * dtable.cc (dtable::init_lock): Ditto. * dtable.h (dtable::lock_cs): Ditto. (dtable::lock): Ditto. (dtable::unlock): Ditto. * exceptions.cc (mask_sync): Ditto. (sighold): Ditto. (set_process_mask_delta): Ditto. (set_signal_mask): Ditto. (events_init): Ditto. * grp.cc (pwdgrp::pwdgrp): Ditto. * malloc_wrapper.cc (mallock): Ditto. (malloc_init): Ditto. * path.cc (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::init): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * pwdgrp.h (pwdgrp::pglock): Ditto. (pwdgrp::refresh): Ditto. * sigproc.cc (sync_proc_subproc): Ditto. (get_proc_lock): Ditto. (proc_subproc): Ditto. (_cygtls::remove_wq): Ditto. (proc_terminate): Ditto. (sigproc_init): Ditto. * timer.cc (lock_timer_tracker::protect): Ditto. (lock_timer_tracker::lock_timer_tracker): Ditto. (lock_timer_tracker::~lock_timer_tracker): Ditto. * wininfo.cc (wininfo::_lock;): Ditto. (wininfo::winthread): Ditto. (operator HWND): Ditto. (wininfo::lock): Ditto. (wininfo::release): Ditto. * wininfo.h (wininfo::_lock;): Ditto.
2005-04-05 12:31:00 +08:00
muto NO_COPY lock_debug::locker;
static bool __stdcall mark_closed (const char *, int, HANDLE, const char *, bool);
2000-02-18 03:38:33 +08:00
void
debug_init ()
{
* sync.h (muto::operator int): New operator. (locker): Remove unused class. (new_muto): Delete. (new_muto1): Ditto. (new_muto_name): Ditto. * cygheap.cc (cygheap_setup_for_child): Reflect use of static storage for muto rather than pointer. (_csbrk): Ditto. (_cmalloc): Ditto. (_cmalloc): Ditto. (_cfree): Ditto. * cygheap.h (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_drive): Ditto. * cygmalloc.h (__malloc_lock): Ditto. (__malloc_unlock): Ditto. * cygtls.cc (sentry::lock): Ditto. (sentry::sentry): Ditto. (~sentry): Ditto. (_cygtls::init): Ditto. * dcrt0.cc: Ditto. (cygwin_atexit): Ditto. (cygwin_exit): Ditto. * debug.cc (lock_debug::locker): Ditto. (lock_debug::lock_debug): Ditto. (lock_debug::unlock): Ditto. (debug_init): Ditto. * dtable.cc (dtable::init_lock): Ditto. * dtable.h (dtable::lock_cs): Ditto. (dtable::lock): Ditto. (dtable::unlock): Ditto. * exceptions.cc (mask_sync): Ditto. (sighold): Ditto. (set_process_mask_delta): Ditto. (set_signal_mask): Ditto. (events_init): Ditto. * grp.cc (pwdgrp::pwdgrp): Ditto. * malloc_wrapper.cc (mallock): Ditto. (malloc_init): Ditto. * path.cc (cwdstuff::cwd_lock): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::get_hash): Ditto. (cwdstuff::init): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * pwdgrp.h (pwdgrp::pglock): Ditto. (pwdgrp::refresh): Ditto. * sigproc.cc (sync_proc_subproc): Ditto. (get_proc_lock): Ditto. (proc_subproc): Ditto. (_cygtls::remove_wq): Ditto. (proc_terminate): Ditto. (sigproc_init): Ditto. * timer.cc (lock_timer_tracker::protect): Ditto. (lock_timer_tracker::lock_timer_tracker): Ditto. (lock_timer_tracker::~lock_timer_tracker): Ditto. * wininfo.cc (wininfo::_lock;): Ditto. (wininfo::winthread): Ditto. (operator HWND): Ditto. (wininfo::lock): Ditto. (wininfo::release): Ditto. * wininfo.h (wininfo::_lock;): Ditto.
2005-04-05 12:31:00 +08:00
lock_debug::locker.init ("debug_lock");
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}
/* Find a registered handle in the linked list of handles. */
static handle_list * __stdcall
find_handle (HANDLE h)
{
handle_list *hl;
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
2002-07-14 04:00:27 +08:00
for (hl = &cygheap->debug.starth; hl->next != NULL; hl = hl->next)
2000-02-18 03:38:33 +08:00
if (hl->next->h == h)
goto out;
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
2002-07-14 04:00:27 +08:00
cygheap->debug.endh = hl;
2000-02-18 03:38:33 +08:00
hl = NULL;
out:
return hl;
}
void
verify_handle (const char *func, int ln, HANDLE h)
{
handle_list *hl = find_handle (h);
if (!hl)
return;
system_printf ("%s:%d - multiple attempts to add handle %p", func, ln, h);
system_printf (" previously allocated by %s:%d(%s<%p>) winpid %d",
hl->func, hl->ln, hl->name, hl->h, hl->pid);
}
void
setclexec (HANDLE oh, HANDLE nh, bool not_inheriting)
{
handle_list *hl = find_handle (oh);
if (hl)
{
hl = hl->next;
hl->inherited = !not_inheriting;
hl->h = nh;
}
}
2000-02-18 03:38:33 +08:00
/* Create a new handle record */
static handle_list * __stdcall
newh ()
{
handle_list *hl;
* sync.h (new_muto): Just accept an argument which denotes the name of the muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
2002-02-23 03:33:41 +08:00
lock_debug here;
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
2002-07-14 04:00:27 +08:00
for (hl = cygheap->debug.freeh; hl < cygheap->debug.freeh + NFREEH; hl++)
2000-02-18 03:38:33 +08:00
if (hl->name == NULL)
return hl;
2000-02-18 03:38:33 +08:00
return NULL;
2000-02-18 03:38:33 +08:00
}
void __stdcall
modify_handle (const char *func, int ln, HANDLE h, const char *name, bool inh)
{
handle_list *hl = find_handle (h);
if (!hl)
{
system_printf ("%s:%d handle %s<%p> not found", func, ln, name, h);
return;
}
hl->next->inherited = inh;
debug_printf ("%s:%d set handle %s<%p> inheritance flag to %d", func, ln,
name, h, inh);
}
2000-02-18 03:38:33 +08:00
/* Add a handle to the linked list of known handles. */
void __stdcall
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
2002-07-14 04:00:27 +08:00
add_handle (const char *func, int ln, HANDLE h, const char *name, bool inh)
2000-02-18 03:38:33 +08:00
{
handle_list *hl;
* sync.h (new_muto): Just accept an argument which denotes the name of the muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
2002-02-23 03:33:41 +08:00
lock_debug here;
2000-02-18 03:38:33 +08:00
* cygtls.h (_threadinfo::call): Remove regparm declaration to work around compiler bug. * autoload.cc (TryEnterCriticalSection): Remove. * dcrt0.cc (dll_crt0_0): Delete inappropriate setting of _my_tls.stackptr to NULL since it has really bad consequences. Make 'si' an automatic variable. * cygtls.cc (_threadinfo::init_thread): Correct thinko which caused thread list to be allocated every time. * cygtls.h (CYGTLS_PADSIZE): Define as const int. * sync.h: Make multiple inclusion safe. (muto::next): Eliminate. (muto::exiting_thread): New variable. (muto::set_exiting_thread): New function. (new_muto): Change to use different section for mutos since c++ give inexplicable warning in some cases otherwise. (new_muto1): Ditto. * dcrt0.cc (do_exit): Call muto::set_exiting_thread here. * sync.cc (muto_start): Eliminate. (muto::acquire): Always give exiting thread a lock. Never give thread a lock if exiting. (muto::release): Ditto for releasing. * dtable.cc (dtable::init_lock): Unline function and define here. * dtable.h (lock_cs): Define as a muto since critical sections seem to work oddly on Windows Me. (lock): Accommodate switch to muto. (unlock): Ditto. * exceptions.cc (setup_handler): Don't worry about acquiring mutos since that hasn't mattered for a long time. (signal_exit): Ditto: muto stuff will be handled automatically on exit now. * Makefile.in (DLL_IMPORTS): Link advapi32 to ensure proper DLL initialization. * autoload.cc (RegCloseKey): Arbitrarily choose this function as a "seed" to pull the advapi32 link library in. So, comment out the autoloading. * cygtls.cc (_threadinfo::init_thread): Just clear CYGTLS_PADSIZE. (_threadinfo::remove): Add debugging. (_threadinfo::find_tls): Ditto. * cygtls.h (_threadinfo::padding): Make zero length (for now?). * dcrt0.cc (dll_crt0_0): Move more initialization here from dll_crt0_1. (dll_crt0_1): See above. * dtable.h (dtable::lock): Remove commented out critical section locking. * dtable.h (dtable::init_lock): Remove commented out critical section locking. * dtable.h (dtable::unlock): Remove commented out critical section locking. * exceptions.cc (interruptible): bool'ize. * init.cc (threadfunc_fe): Revert to storing threadfunc at stack bottom. (munge_threadfunc): Ditto. Avoid adding overhead to calibration_thread. (prime_threads): Don't initialize tls stuff. (dll_entry): Make minor change to initialization order. * tlsoffsets.h: Regenerate. * sigproc.cc (wait_sig): Add sanity check for end of process thread exit. * select.h: Make minor formatting change. * Makefile.in: Add still more -fomit-frame-pointer functions. * dtable.h (dtable::lock): New function. (dtable::unlock): New function. (dtable::init_lock): New function. * cygheap.h (HEAP_TLS): Declare new enum value. (init_cygheap::threadlist): Declare new array. (init_cygheap::sthreads): Declare new variable. (cygheap_fdmanip::~cygheap_fdmanip): Use new dtable lock/unlock functions. (cygheap_fdnew::cygheap_fdnew): Ditto. (cygheap_fdget::cygheap_fdget): Ditto. * dtable.cc (dtable_init): Initialize fdtab critical section. (dtable::fixup_after_fork): Ditto. (dtable::fixup_after_exec): Ditto. (dtable::dup2): Use lock/unlock calls to protect access to fdtab. (dtable::find_fifo): Ditto. (dtable::fixup_before_fork): Ditto. (dtable::fixup_before_exec): Ditto. (dtable::set_file_pointers_for_exec): Ditto. (dtable::vfork_child_dup): Ditto. (dtable::vfork_parent_restore): Ditto. * syscalls.cc (close_all_files): Ditto. * sync.h (muto::acquired): Declare new function. (new_muto1): Declare new macro used to specify name of muto storage. * sync.cc (muto::acquired): Define new function. * cygthread.cc (cygthread::stub): Remove signal chain removal call since it is handled during initialization now. * cygthread.cc (cygthread::simplestub): Remove signal chain removal call since it is handled during initialization now. * cygtls.cc (sentry): New class used for locking. Use throughout. (_threadinfo::reset_exception): Don't pop stack. (_threadinfo::find_tls): Move from exceptions.cc. (_threadinfo::init_thread): Initialize array of threads rather than linked list. Take second argument indicating thread function for this thread. (_threadinfo::remove): Search thread array rather than linked list. Use sentry to lock. Only unlock if we got the lock. (_threadinfo::find_tls): Ditto for first two. (handle_threadlist_exception): Handle exceptions when manipulating the thread list in case of premature thread termination. (_threadinfo::init_threadlist_exceptions): Ditto. * cygtls.h (TLS_STACK_SIZE): Decrease size. (_threadinfo::padding): Add element to avoid overwriting lower part of stack. (_threadinfo::remove): Add a "wait" argument to control how long we wait for a lock before removing. * exceptions.cc (init_exception_handler): Make global. Take argument to control exception handler being set. (ctrl_c_handler): Wait forever when removing self from signal chain. (_threadinfo::find_tls): Move to cygtls.cc. (sig_handle): Reorganize detection for thread-specific signals. * heap.cc (heap_init): Rework slightly. Make fatal error more verbose. Remove malloc initialization since it can't happen during dll attach. * init.cc (search_for): Move address to search for on stack here. (threadfunc_ix): Ditto for stack offset. Make shared so that stack walk potentially only has to be done once when cygwin processes are running. (threadfunc_fe): Use standard tls to store thread function (may change back later). (calibration_thread): New function. Potentially called to find threadfunc_ix. (munge_threadfunc): Search for "search_for" value on stack. Output warning when thread func not found on stack. Use standard tls to store thread function. (prime_threads): New function. Called to prime thread front end. (dll_entry): Call dll_crt0_0 here when DLL_PROCESS_ATTACH. Call prime_threads here. Try to remove thread from signal list here. * sigproc.cc (wait_sig): Initialize threadlist exception stuff here. * thread.cc (pthread::exit): Pass argument to signal list remove function. * thread.h: Remove obsolete *ResourceLock defines. * tlsoffsets.h: Regenerate. * winsup.h (spf): Define temporary debug macro to be deleted later. * dcrt0.cc (dll_crt0_0): New function, called during DLL initialization. Mainly consists of code pulled from dll_crt0_1. (dll_crt0_1): See above. (_dll_crt0): Wait for initial calibration thread to complete, if appropriate. Move some stuff to dll_crt0_0. (initialize_main_tls): Accommodate argument change to _thread_info::init_thread. * fork.cc (fork_child): Ditto. (sync_with_child): Fix debug message. * external.cc (cygwin_internal): Remove special considerations for uninitialized dll since initialization happens during dll attach now. * dlfcn.cc (dlopen): Remove obsolete *ResourceLock calls. (dlclose): Ditto. * cygheap.h (init_cygheap::close_ctty): Declare new function. * cygheap.cc (init_cygheap::close_ctty): Define new function. * syscalls.cc (close_all_files): Use close_ctty. (setsid): Ditto. * cygthread.cc (cygthread::stub): Remove exception initialization. * cygthread.cc (cygthread::stub): Remove exception initialization. (cygthread::simplestub): Ditto. * thread.cc (pthread::thread_init_wrapper): Ditto. * cygtls.cc (_last_thread): Make static. (_threadinfo::call2): Initialize exception handler here. (_threadinfo::find_tls): Move here. * exceptions.cc (_threadinfo::find_tls): Move. * dcrt0.cc (__api_fatal): Add prefix info to message here rather than including it in every call to function. * winsup.h (api_fatal): Accommodate above change. * debug.cc (add_handle): Don't do anything if cygheap not around. (mark_closed): Ditto. * dll_init.cc (dll_list::detach): Fix debug output. * fork.cc (sync_with_child): Ditto. (vfork): Improve debug output. * heap.cc (heap_init): Ditto. * exceptions.cc (try_to_debug): Clarify message when debugger attaches.
2004-01-14 23:45:37 +08:00
if (!cygheap)
return;
if ((hl = find_handle (h)))
{
hl = hl->next;
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
2002-07-14 04:00:27 +08:00
if (hl->name == name && hl->func == func && hl->ln == ln)
return;
system_printf ("%s:%d - multiple attempts to add handle %s<%p>", func,
ln, name, h);
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
2002-07-14 04:00:27 +08:00
system_printf (" previously allocated by %s:%d(%s<%p>) winpid %d",
hl->func, hl->ln, hl->name, hl->h, hl->pid);
* sync.h (new_muto): Just accept an argument which denotes the name of the muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
2002-02-23 03:33:41 +08:00
return;
}
2000-02-18 03:38:33 +08:00
2001-03-03 11:56:34 +08:00
if ((hl = newh ()) == NULL)
2000-02-18 03:38:33 +08:00
{
* sync.h (new_muto): Just accept an argument which denotes the name of the muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
2002-02-23 03:33:41 +08:00
here.unlock ();
debug_printf ("couldn't allocate memory for %s(%d): %s(%p)",
func, ln, name, h);
2000-02-18 03:38:33 +08:00
return;
}
hl->h = h;
hl->name = name;
hl->func = func;
hl->ln = ln;
hl->next = NULL;
hl->inherited = inh;
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
2002-07-14 04:00:27 +08:00
hl->pid = GetCurrentProcessId ();
cygheap->debug.endh->next = hl;
cygheap->debug.endh = hl;
SetHandleInformation (h, HANDLE_FLAG_PROTECT_FROM_CLOSE, HANDLE_FLAG_PROTECT_FROM_CLOSE);
debug_printf ("protecting handle '%s'(%p), inherited flag %d", hl->name, hl->h, hl->inherited);
2000-02-18 03:38:33 +08:00
}
static void __stdcall
delete_handle (handle_list *hl)
{
handle_list *hnuke = hl->next;
debug_printf ("nuking handle '%s' (%p)", hnuke->name, hnuke->h);
hl->next = hl->next->next;
memset (hnuke, 0, sizeof (*hnuke));
}
void
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
2002-07-14 04:00:27 +08:00
debug_fixup_after_fork_exec ()
{
/* No lock needed at this point */
handle_list *hl;
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
2002-07-14 04:00:27 +08:00
for (hl = &cygheap->debug.starth; hl->next != NULL; /* nothing */)
if (hl->next->inherited)
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
2002-07-14 04:00:27 +08:00
hl = hl->next;
else
delete_handle (hl); // removes hl->next
}
static bool __stdcall
mark_closed (const char *func, int ln, HANDLE h, const char *name, bool force)
2000-02-18 03:38:33 +08:00
{
handle_list *hl;
* sync.h (new_muto): Just accept an argument which denotes the name of the muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
2002-02-23 03:33:41 +08:00
lock_debug here;
* cygtls.h (_threadinfo::call): Remove regparm declaration to work around compiler bug. * autoload.cc (TryEnterCriticalSection): Remove. * dcrt0.cc (dll_crt0_0): Delete inappropriate setting of _my_tls.stackptr to NULL since it has really bad consequences. Make 'si' an automatic variable. * cygtls.cc (_threadinfo::init_thread): Correct thinko which caused thread list to be allocated every time. * cygtls.h (CYGTLS_PADSIZE): Define as const int. * sync.h: Make multiple inclusion safe. (muto::next): Eliminate. (muto::exiting_thread): New variable. (muto::set_exiting_thread): New function. (new_muto): Change to use different section for mutos since c++ give inexplicable warning in some cases otherwise. (new_muto1): Ditto. * dcrt0.cc (do_exit): Call muto::set_exiting_thread here. * sync.cc (muto_start): Eliminate. (muto::acquire): Always give exiting thread a lock. Never give thread a lock if exiting. (muto::release): Ditto for releasing. * dtable.cc (dtable::init_lock): Unline function and define here. * dtable.h (lock_cs): Define as a muto since critical sections seem to work oddly on Windows Me. (lock): Accommodate switch to muto. (unlock): Ditto. * exceptions.cc (setup_handler): Don't worry about acquiring mutos since that hasn't mattered for a long time. (signal_exit): Ditto: muto stuff will be handled automatically on exit now. * Makefile.in (DLL_IMPORTS): Link advapi32 to ensure proper DLL initialization. * autoload.cc (RegCloseKey): Arbitrarily choose this function as a "seed" to pull the advapi32 link library in. So, comment out the autoloading. * cygtls.cc (_threadinfo::init_thread): Just clear CYGTLS_PADSIZE. (_threadinfo::remove): Add debugging. (_threadinfo::find_tls): Ditto. * cygtls.h (_threadinfo::padding): Make zero length (for now?). * dcrt0.cc (dll_crt0_0): Move more initialization here from dll_crt0_1. (dll_crt0_1): See above. * dtable.h (dtable::lock): Remove commented out critical section locking. * dtable.h (dtable::init_lock): Remove commented out critical section locking. * dtable.h (dtable::unlock): Remove commented out critical section locking. * exceptions.cc (interruptible): bool'ize. * init.cc (threadfunc_fe): Revert to storing threadfunc at stack bottom. (munge_threadfunc): Ditto. Avoid adding overhead to calibration_thread. (prime_threads): Don't initialize tls stuff. (dll_entry): Make minor change to initialization order. * tlsoffsets.h: Regenerate. * sigproc.cc (wait_sig): Add sanity check for end of process thread exit. * select.h: Make minor formatting change. * Makefile.in: Add still more -fomit-frame-pointer functions. * dtable.h (dtable::lock): New function. (dtable::unlock): New function. (dtable::init_lock): New function. * cygheap.h (HEAP_TLS): Declare new enum value. (init_cygheap::threadlist): Declare new array. (init_cygheap::sthreads): Declare new variable. (cygheap_fdmanip::~cygheap_fdmanip): Use new dtable lock/unlock functions. (cygheap_fdnew::cygheap_fdnew): Ditto. (cygheap_fdget::cygheap_fdget): Ditto. * dtable.cc (dtable_init): Initialize fdtab critical section. (dtable::fixup_after_fork): Ditto. (dtable::fixup_after_exec): Ditto. (dtable::dup2): Use lock/unlock calls to protect access to fdtab. (dtable::find_fifo): Ditto. (dtable::fixup_before_fork): Ditto. (dtable::fixup_before_exec): Ditto. (dtable::set_file_pointers_for_exec): Ditto. (dtable::vfork_child_dup): Ditto. (dtable::vfork_parent_restore): Ditto. * syscalls.cc (close_all_files): Ditto. * sync.h (muto::acquired): Declare new function. (new_muto1): Declare new macro used to specify name of muto storage. * sync.cc (muto::acquired): Define new function. * cygthread.cc (cygthread::stub): Remove signal chain removal call since it is handled during initialization now. * cygthread.cc (cygthread::simplestub): Remove signal chain removal call since it is handled during initialization now. * cygtls.cc (sentry): New class used for locking. Use throughout. (_threadinfo::reset_exception): Don't pop stack. (_threadinfo::find_tls): Move from exceptions.cc. (_threadinfo::init_thread): Initialize array of threads rather than linked list. Take second argument indicating thread function for this thread. (_threadinfo::remove): Search thread array rather than linked list. Use sentry to lock. Only unlock if we got the lock. (_threadinfo::find_tls): Ditto for first two. (handle_threadlist_exception): Handle exceptions when manipulating the thread list in case of premature thread termination. (_threadinfo::init_threadlist_exceptions): Ditto. * cygtls.h (TLS_STACK_SIZE): Decrease size. (_threadinfo::padding): Add element to avoid overwriting lower part of stack. (_threadinfo::remove): Add a "wait" argument to control how long we wait for a lock before removing. * exceptions.cc (init_exception_handler): Make global. Take argument to control exception handler being set. (ctrl_c_handler): Wait forever when removing self from signal chain. (_threadinfo::find_tls): Move to cygtls.cc. (sig_handle): Reorganize detection for thread-specific signals. * heap.cc (heap_init): Rework slightly. Make fatal error more verbose. Remove malloc initialization since it can't happen during dll attach. * init.cc (search_for): Move address to search for on stack here. (threadfunc_ix): Ditto for stack offset. Make shared so that stack walk potentially only has to be done once when cygwin processes are running. (threadfunc_fe): Use standard tls to store thread function (may change back later). (calibration_thread): New function. Potentially called to find threadfunc_ix. (munge_threadfunc): Search for "search_for" value on stack. Output warning when thread func not found on stack. Use standard tls to store thread function. (prime_threads): New function. Called to prime thread front end. (dll_entry): Call dll_crt0_0 here when DLL_PROCESS_ATTACH. Call prime_threads here. Try to remove thread from signal list here. * sigproc.cc (wait_sig): Initialize threadlist exception stuff here. * thread.cc (pthread::exit): Pass argument to signal list remove function. * thread.h: Remove obsolete *ResourceLock defines. * tlsoffsets.h: Regenerate. * winsup.h (spf): Define temporary debug macro to be deleted later. * dcrt0.cc (dll_crt0_0): New function, called during DLL initialization. Mainly consists of code pulled from dll_crt0_1. (dll_crt0_1): See above. (_dll_crt0): Wait for initial calibration thread to complete, if appropriate. Move some stuff to dll_crt0_0. (initialize_main_tls): Accommodate argument change to _thread_info::init_thread. * fork.cc (fork_child): Ditto. (sync_with_child): Fix debug message. * external.cc (cygwin_internal): Remove special considerations for uninitialized dll since initialization happens during dll attach now. * dlfcn.cc (dlopen): Remove obsolete *ResourceLock calls. (dlclose): Ditto. * cygheap.h (init_cygheap::close_ctty): Declare new function. * cygheap.cc (init_cygheap::close_ctty): Define new function. * syscalls.cc (close_all_files): Use close_ctty. (setsid): Ditto. * cygthread.cc (cygthread::stub): Remove exception initialization. * cygthread.cc (cygthread::stub): Remove exception initialization. (cygthread::simplestub): Ditto. * thread.cc (pthread::thread_init_wrapper): Ditto. * cygtls.cc (_last_thread): Make static. (_threadinfo::call2): Initialize exception handler here. (_threadinfo::find_tls): Move here. * exceptions.cc (_threadinfo::find_tls): Move. * dcrt0.cc (__api_fatal): Add prefix info to message here rather than including it in every call to function. * winsup.h (api_fatal): Accommodate above change. * debug.cc (add_handle): Don't do anything if cygheap not around. (mark_closed): Ditto. * dll_init.cc (dll_list::detach): Fix debug output. * fork.cc (sync_with_child): Ditto. (vfork): Improve debug output. * heap.cc (heap_init): Ditto. * exceptions.cc (try_to_debug): Clarify message when debugger attaches.
2004-01-14 23:45:37 +08:00
if (!cygheap)
return true;
2000-02-18 03:38:33 +08:00
if ((hl = find_handle (h)) && !force)
{
hl = hl->next;
* sync.h (new_muto): Just accept an argument which denotes the name of the muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
2002-02-23 03:33:41 +08:00
here.unlock (); // race here
* debug.h (handle_list): Move here from debug.cc. Add "inherit" flag functionality. * cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk. (_csbrk): Reorganize to not assume first allocation is <= 1 page. (cygheap_setup_for_child): Mark protected handle as inheritable. * cygheap.h (cygheap_debug): New struct. (init_cygheap): Add new structure when debugging. * dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if appropriate. Don't protect subproc_ready, since it is already protected in the parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set up. Call debug_fixup_after_fork_exec when appropriate. (_dll_crt0): Don't close ppid_handle here. * debug.cc: Use cygheap debug structure rather than static elements throughout. (add_handle): Don't issue a warning if attempt to protect handle in exactly the same way from exactly the same place. Add pid info to warning output. Accept additional argument controlling whether handle is to be inherited. Add pid to stored information. (debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize to avoid erroneously skipping handles. (mark_closed): Add pid info to warning output. (setclexec): Rename from setclexec_pid. * fhandler.cc (fhandler_base::get_default_fmode): Minor reorg. (fhandler_base::fstat): Add debugging output. (fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid. (fhandler_base::fork_fixup): Ditto. * fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * tty.cc (tty::make_pipes): Ditto. (tty::common_init): Ditto. * fork.cc (fork_parent): Ditto. (fork_child): Close protected handles with correct name. Remove debug_fixup_after_fork call. * fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected handle as inheritable/non-inheritable, as appropriate. * shared.cc (memory_init): Mark protected handle as inheritable. Call debug_init here. * sigproc.cc (wait_sig): Close protected handle with correct name. * spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as inheritable. * exceptions.cc (debugger_command): Try to run dumper.exe, if found. * syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path is already resolved.
2002-07-14 04:00:27 +08:00
system_printf ("attempt to close protected handle %s:%d(%s<%p>) winpid %d",
hl->func, hl->ln, hl->name, hl->h, hl->pid);
2000-02-18 03:38:33 +08:00
system_printf (" by %s:%d(%s<%p>)", func, ln, name, h);
return false;
2000-02-18 03:38:33 +08:00
}
handle_list *hln;
if (hl && (hln = hl->next) && strcmp (name, hln->name))
{
system_printf ("closing protected handle %s:%d(%s<%p>)",
hln->func, hln->ln, hln->name, hln->h);
system_printf (" by %s:%d(%s<%p>)", func, ln, name, h);
}
2000-02-18 03:38:33 +08:00
if (hl)
delete_handle (hl);
2000-02-18 03:38:33 +08:00
return true;
}
/* Close a known handle. Complain if !force and closing a known handle or
if the name of the handle being closed does not match the registered name. */
bool __stdcall
close_handle (const char *func, int ln, HANDLE h, const char *name, bool force)
{
bool ret;
* sync.h (new_muto): Just accept an argument which denotes the name of the muto. Use this argument to construct static storage. * cygheap.cc (cygheap_init): Reflect above change. * exceptions.cc (events_init): Ditto. * malloc.cc (malloc_init): Ditto. * path.cc (cwdstuff::init): Ditto. * cygheap.h (cwdstuff): Change name of lock element to make it less generic. * path.cc (cwdstuff::get_hash): Ditto. (cwdstuff::get_initial): Ditto. (cwdstuff::set): Ditto. (cwdstuff::get): Ditto. * sigproc.cc (proc_subproc): Ditto. * debug.cc (lock_debug): Change to method. Use method rather than macro throughout. * tty.h (tty_min::kill_pgrp): Declare new method. * fhandler_termios.cc (tty_min::kill_pgrp): New method. (fhandler_termios::line_edit): Use new method for killing process. * dcrt0.cc (do_exit): Ditto. * dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info from a debugger. * tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if appropriate. # dtable.cc (dtable::stdio_init): Make this a method. (dtable::init_std_file_from_handle): Don't set fd unless it's not open. (dtable::build_fhandler_from_name): Move name setting to dtable::build_fhandler. (dtable::build_fhandler): Add win32 name parameter. * dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init. * dtable.h (dtable): Reflect build_fhandler parameter change. * mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler. * net.cc (fdsock): Remove set_name call since it is now handled by build_fhandler. * sigproc.cc (proc_subproc): Release muto as early as possible.
2002-02-23 03:33:41 +08:00
lock_debug here;
if (!mark_closed (func, ln, h, name, force))
return false;
SetHandleInformation (h, HANDLE_FLAG_PROTECT_FROM_CLOSE, 0);
ret = CloseHandle (h);
#if 1 /* Uncomment to see CloseHandle failures */
if (!ret)
small_printf ("CloseHandle(%s<%p>) failed %s:%d, %E\n", name, h, func, ln);
#endif
2000-02-18 03:38:33 +08:00
return ret;
}
#endif /*DEBUGGING*/