(winpids::winpids): Rejigger to set pinfo_access.
* pinfo.cc (winpids::add): Try to open shared memory region with supplied
pinfo_access first, then default to readonly.
* fhandler_termios.cc (tty_min::kill_pgrp): When getting list of pids to work
with, suggest opening with PID_MAP_RW.
* signal.cc (kill_pgrp): Ditto.
* sigproc.cc (sig_send): Perform a write check on todo prior to attempting to
increment it. Return EACCES if we can't write to it.
* security.h (__sec_user): Add "access2" argument.
(sec_acl): Add "original" and "access2" arguments.
(sec_user): Add "sid2" and "access2" argument. Remove dependence on
allow_ntsec.
(sec_user_nih): Ditto.
* sec_helper.cc (__sec_user): Add "has_security" test.
Call sec_acl with new arguments, letting it handle original_sid.
(sec_acl): Add "original" and "access2" arguments. Handle original_sid
depending on flag but avoiding duplicates. Use "access2" for sid2.
* pinfo.cc (pinfo::init): Use security attributes created by sec_user
when creating the mapping.
* security.cc (create_token): Adjust arguments in call to sec_acl.
Call sec_user instead of __sec_user.
* syscall.cc (seteuid32): Adjust arguments in call to sec_acl. Remove
now unnecessary test. Remove useless conversions to psid.
* dcrt0.cc (dll_crt0_1): Call cygsid::init before pinfo_init.
* cygwin.din: Remove extraneous mallinfo definition.
* dcrt0.cc (quoted): Use strechr for efficiency.
* fhandler.cc (fhandler_base::write): Correctly use get_output_handle rather
than get_handle.
(fhandler_base::lseek): Use method for accessing name in debug output.
* pinfo.cc (pinfo_init): Initialize myself->gid.
(pinfo::init): Create the "access" variable, set it appropriately and use it to
specify the requested access.
* exceptions.cc (sig_handle_tty_stop): Add PID_MAP_RW in pinfo parent.
* signal.cc (kill_worker): Ditto for pinfo dest.
* syscalls.cc (setpgid): Ditto for pinfo p.
* exceptions.cc (early_stuff_init): Delete.
(init_console_handler): New function - top half of early_stuff_init.
(init_global_security): New function - bottom half of early_stuff_init.
(sig_handle): Avoid special hExeced test for SIGINT. Just terminate the
captive process.
(signal_exit): Add debugging output.
* fhandler_tty.cc (fhandler_tty_slave::open): Don't allocate a console if one
already seems to exist. Properly initialize ctrl-c handling if we do allocate
a console.
* winsup.h (early_stuff_init): Delete declaration.
(init_console_handler): New declaration.
(init_global_security): New declaration.
Accept an argument and calculate any extra links needed based on missing . and
.. entries.
(fhandler_disk_file::fstat_helper): Always call pc->ndisks_links() to calculate
the number of links.
* path.h (path_conv::ndisk_links): Declare.
* cygheap.h (cygheap_user::init): New declaration.
* uinfo.cc (cygheap_user::init): New.
(internal_getlogin): Move functionality to cygheap_user::init. Open the
process token to update the group sid.
* shared.cc (user_shared_initialize): Get the user information from
cygheap->user.
(shared_info::initialize): Remove argument. Call cygheap->user.init instead of
cygheap->user.set_name.
(memory_init): Do not get the user name and do not pass it to
shared_info::initialize.
* registry.cc (get_registry_hive_path): Make csid a cygpsid.
(load_registry_hive): Ditto.
not exist since cygwin simulates them.
(fhandler_cygdrive::fstat): Ditto.
(fhandler_cygdrive::readdir): Don't do any specific tests on __d_position when
seeing if a drive exists.
* cygwin.din: Export __check_rhosts_file, __rcmd_errstr, optarg,
opterr, optind, optopt, optreset, getopt, getopt_long, iruserok
and ruserok.
* getopt.c: Moved from lib to here. Define opt* variables as
dllexport.
* iruserok.c: Moved from lib to here. Rearrange function order.
Prefer using 64/32 bit functions.
* syscalls.cc (shell_fp): Define as struct __sFILE64.
(getusershell): Use fopen64 instead of fopen.
* winsup.h: Add declarations for seteuid32, fopen64,
cygwin_gethostbyname and cygwin_inet_addr.
* include/getopt.h: Declare opt* variables dllimport.
* include/cygwin/version.h: Bump API minor number.
* shared_info.h: Include security.h.
(open_shared): Add psa argument.
(user_shared_initialize): New declaration.
* security.h: Add _SECURITY_H guard.
(sec_user): Use sec_none in the no ntsec case.
* spawn.cc (spawn_guts): Remove call to load_registry_hive.
* syscalls (seteuid32): If warranted, call load_registry_hive,
user_shared_initialize and RegCloseKey(HKEY_CURRENT_USER).
* shared.cc (user_shared_initialize): New.
(open_shared): Add and use psa argument.
(memory_init): Move mount table initialization to
user_shared_initialize. Call it.
according to SUSv3.
(mmap): Ditto.
(munmap): Ditto.
(msync): Ditto.
(mprotect): Ditto. Move to before the fhandler methods.
* include/sys/mman.h: Change prototypes accordingly.
set.
* exceptions.cc (sig_handle_tty_stop): Don't reset sigCONT event since it is
reset automatically.
* fork.cc (fork): Remove obsolete usage of PID_SPLIT_HEAP.
* include/sys/cygwin.h: Ditto.
* sigproc.cc (sig_send): Use sigframe init method to set frame since it checks
for previous ownership of the frame.
* sigproc.h (sigframe::init): Accept an "is_exception" argument.
* include/sys/dirent.h (dirent): Remvoe old_d_ino.
(DIR): Make __d_dirhash a 64 bit value. Remove __d_data and __d_u. Add
__flags.
* dir.cc (opendir_states): New enum.
(opendir): Clear new DIR __flags field.
(readdir): Fill in '.' and '..' entries if we hit EOF and we haven't seen them
already. Nuke setting of old_d_ino.
(rewinddir): Reset DIR __flags field.
(seekdir64): Ditto.
* fhandler_disk_file.cc (fhandler_cygdrive::fhandler_cygdrive): Remove special
handling of "." and ".." since they are now handled automatically.
resolution. Fix test for negative remainder. Use timeGetTime through gtod.
(sleep): Round up return value. Christopher Faylor <cgf@redhat.com>
* hires.h (HIRES_DELAY_MAX): Define.
(hires_ms::minperiod): Declare static.
(hires_ms::resolution): New.
(hires_ms::dmsecs): New.
(hires_ms::prime): Return UINT.
(gtod): Declare.
* times.cc (hires_ms::prime): Always calculate minperiod and set it to 1 in
case of failure. Return minperiod.
(hires_ms::resolution): Define.
(hires_ms::~hires_ms): Delete.
(hires_ms::usecs): Check minperiod to prime.
(gtod) Define as global.
(dll_crt0_1): Store argc in __argc_safe, which will theoretically remain
untouched by the user.
* fhandler_console.cc (fhandler_console::read): Silence some compiler warnings.
* fhandler_raw.cc (fhandler_dev_raw::raw_read): Ditto.
* pinfo.cc (_pinfo::commune_recv): Carefully bound argv scan and check for
potentially bad pointers since user could have set argv cell to anythinw.
* cygheap.h (CYGHEAPSIZE): Bump up size.
for better readability. Change function names for better
understanding.
(MAP_SET): Accomodate name change from map_map_ to page_map_.
(MAP_CLR): Ditto.
(MAP_ISSET): Ditto.
(mmap_record::page_map_): Rename from page_map_.
(mmap_record::get_map): Remove.
(mmap_record::alloc_page_map): Rename from alloc_map. Return bool
indicating success of cygheap memory allocation.
(mmap_record::free_page_map): Rename from free_map.
(mmap_record::fixup_page_map): Rename from fixup_map.
(mmap_record::find_unused_pages): Rename from find_empty.
(mmap_record::map_pages): Rename from map_map.
(mmap_record::unmap_pages): Rename from unmap_map.
(class list): Make all class members private.
(list::list): Remove.
(list::~list): Remove.
(list::get_fd): New attribute reader.
(list::get_hash): Ditto.
(list::get_record): Ditto.
(list::add_record): Manage all allocation for mmap_records. Check
for failed memory allocation and return NULL if so.
(list::set): New function.
(list::del_record): Rename from erase. Return true if last mmap_record
has been deleted, false otherwise. Check for legal incoming index
value.
(list::erase): Remove erase/0.
(list::search_record): Rename from match.
(map::map): Remove.
(map::~map): Remove.
(map::add_list): Manage all allocation for lists. Check for failed
memory allocation and return NULL if so.
(map::get_list): New method.
(map::del_list): Rename from erase. Check for legal incoming index
value.
(mmap64): Check for failed mmap_record memory allocation. Return
with MAP_FAILED and errno set to ENOMEM if so.
(munmap): Rearrange loop using new list and mmap_record accessor
functions. Rename loop index variables for better understanding.
Check if list can be deleted after last mmap_record in it has been
deleted.
(msync): Rearrange loop using new list and mmap_record accessor
functions. Rename loop index variables for better understanding.
(fixup_mmaps_after_fork): Ditto.
become unmasked.
* sigproc.cc (pending_signals): Flip back to a global.
(wait_sig): Don't set pending signals when there is an armed semaphore or
signal is blocked.
* shared.cc (shared_info::initialize): Add a username parameter for user-mode
mounts. Reorganize to try to avoid startup race.
(memory_init): Move some stuff into shared_info::initialize.
* shared_info.h (shared_info::initialize): Change declaration.
(CURR_SHARED_MAGIC): Update.
* cygheap.h (cygheap_types): Add HEAP_SIGS.
* exceptions.cc (signal_fixup_after_exec): Remove from this file.
* pinfo.h (pinfo::getsig): Just return global_sigs array.
(pinfo::sigs): Delete.
* sigproc.cc (signal_fixup_after_exec): Move it here.
(global_sigs): New global array, moved from pinfo structure.
(sigalloc): New function. Allocate global sigaction array here.
(proc_subproc): Remove copysigs call. It's automatic now.
* include/sys/cygwin.h (PID_NOCLDSTOP): New value.
* signal.cc (sigaction): Set myself->PID_NODCLDSTOP when appropriate.
* sigproc.h (sigalloc): Declare.
* fnmatch.c (fnmatch): Use C90 parameters.
(rangematch): Ditto.
* fhandler.cc (fhandler_base::raw_read): Use right coercion to avoid a compiler
warning.
(dup_addr_list): Delete.
(dup_char_list): Delete.
(free_hostent_ptr): Delete.
(free_protoent_ptr): Delete.
(free_servent_ptr): Delete.
(DWORD_round): New function.
(strlen_round): New function. Returns strlen rounded up to word size.
(dup_ent): New, generic function to duplicate a {host,proto,serv}ent structure.
(gen_ent): New macro. Generates a generic dup_{host,proto,serv}ent_ptr
function.
(cygwin_getservbyname): Remove call to free_servent_ptr, pass servent_buf to
dup_servent_ptr.
(cygwin_getservbyport): Ditto.
(cygwin_gethostbyname): Ditto for hostent.
(cygwin_gethostbyaddr): Ditto.
(cygwin_getprotobyname): Ditto for protoent.
(cygwin_getprotobynumber): Ditto.
* configure.in: Fill in MALLOC_OFILES with either debugging or regular malloc.
* configure: Regenerate.
* dlmalloc.c: Make various fruitless changes to attempt to get to work.
* dlmalloc.h: Ditto.
* malloc.cc (free): Check malloc pool when debugging.
* path.cc (win32_device_name): Eliminate compiler warning.
* sigproc.cc (sig_dispatch_pending): Remove use of was_pending. Let
thisframe.call_signal_handler decide if handler should be called rather than
using bogus was_pending check.
* exceptions.cc (interrupt_setup): Remove accidentally checked in debugging
code.
* heap.cc (sbrk): Save rounded addess in user_heap_max.
* sigproc.cc (checkstate): Make regparm.
(getevent): Change parameters in declaration, rename from getsem, make regparm.
(sig_send): Recognize that nosync is now an event. Remove some old cruft from
previous interrupt anywhere signal handler.
(getevent): Change parameters in definition, rename from getsem. Allocate
event rather than semaphore.
(wait_sig): Treat sigcatch_nosync as an event.
* sigproc.cc (checkstate): Make regparm.
(getevent): Change parameters in declaration, rename from getsem, make regparm.
(sig_send): Recognize that nosync is now an event. Remove some old cruft from
previous interrupt anywhere signal handler.
(getevent): Change parameters in definition, rename from getsem. Allocate
event rather than semaphore.
(wait_sig): Treat sigcatch_nosync as an event.
* cygthread.h (cygthread::main_thread_id): Make public.
* exceptions.cc (setup_handler): Remove unneeded priority stuff. Rename label
to reflect what it does. Add debugging for idiotic Windows NT problem. Change
debugging output to include signal number.
* miscfuncs.cc (low_priority_sleep): If available, use SwitchToThread function
to give time slice to other threads.
* wincap.cc: Properly define have_switch_to_thread throughout.
* wincap.h (wincap::switch_to_thread): New element.
* Makefile.in (LIBSERVER): Define and use.
* configure.in: Set LIBSERVER as appropriate.
* environ.cc: Rename allow_daemon to allow_server. Only recognize when
USE_SERVER is defined.
* heap.cc (heap_init): Save pointer to end of heap reserved memory.
(sbrk): Don't attempt to commit memory beyond end of heap reserved memory.
Attempt to honor comment and reserve commitbytes if heapchunk fails.
* sigproc.cc (wait_sig): Keep looping if there are more signals to consider and
we are flushing signals.
(sig_send): Put nonsync signals in the correct bucket.
* sigproc.cc (pending_signals): Make static.
(wait_sig): Use defined values rather than integers for rc. Never scan both
todo arrays as this could cause hangs if signals arrive from two different
sources. Rename saw_pending_signals to saw_failed_interrupt. Exit loop when
signal found. Enter low-priority sleep, if necessary, after finished
signalling completion. Set pending_signals when blocked
(from Pierre Humblet).
* exceptions.cc (setup_handler): Move non-interruptible condition handling
(back) to wait_sig (as suggested by Pierre Humblet).
(set_process_mask): Don't worry about calling sig_dispatch_pending from
sigthread since it is detected in the function anyway.
(sig_handle): Eliminate thisproc arg. Don't call sig_dispatch_pending on
SIGCONT since that should happen automatically.
* sigproc.cc (sig_dispatch_pending): Eliminate justwake argument. Just return
when called from sigthread.
(wait_sig): Change some variables to bool. Change inner while to an if. Move
uninterruptible signal handling here.
(sigproc_terminate): Don't call sig_dispatch_pending. Just increment semaphore
on exit.
* speclib: Use slightly different (but still flawed) method for determining
symbols to extract from libraries.
DRIVE_REMOVABLE.
* fhandler.cc (fhandler_base::lseek): Be more paranoid when constructing
offsets from 64 bit value.
* syscalls.cc (logout): Avoid temp buffer memcpy since new scheme does not
require it.
(utmp_data): Rework as a macro which returns a pointer into a buffer.
(getutent): Use new buffer allocation mechanism to grab a utmp buffer.
(getutid): Ditto.
(pututline): Ditto.
Christopher Faylor
Corinna Vinschen
Pierre Humblet