Commit Graph

426 Commits

Author SHA1 Message Date
Christopher Faylor 06571ff689 * sigproc.cc (proc_subproc): Don't send a false positive if WNOHANG and no
processes are available for waiting.
2000-10-23 20:50:36 +00:00
Corinna Vinschen 38a1798645 * fhandler.cc (fhandler_base::fcntl): Setting flags in F_SETFL
branch according to Linux documentation.
2000-10-23 20:29:31 +00:00
Corinna Vinschen 1eb14bae8c * fcntl.cc (_fcntl): Rearrange as wrapper function. Move all
functionality except F_DUPFD to fhandler classes.
        * fhandler.cc (fhandler_base::fcntl): New method.
        * net.cc (fhandler_socket::fcntl): Ditto.
        * fhandler.h (class fhandler_base): Add method prototype for fcntl().
        (class fhandler_socket): Ditto.
2000-10-23 20:16:52 +00:00
Christopher Faylor f80cdaeecb * sigproc.cc (proc_subproc): Correctly handle flags for WNOHANG case. 2000-10-23 16:50:21 +00:00
Corinna Vinschen c434bd0840 * security.cc: Eliminate C++ comments throughout. 2000-10-23 08:02:38 +00:00
Christopher Faylor ad30b4ffca * fork.cc (fork): Set sigframe here, since it can pause for a considerable
amount of time.
* environ.cc (_addenv): Add debugging.
* fhandler.cc: Eliminate unneeded include.
* smallprint.c: Ditto.
2000-10-23 03:35:50 +00:00
Corinna Vinschen b150b20cfd * pinfo.cc (pinfo_init): Eliminate call to `set_process_privileges'.
* security.cc (write_sd): Call `set_process_privileges' on the first
        call to `write_sd'.
        (set_process_privileges): Eliminate adjusting SE_BACKUP_NAME privilege.
2000-10-22 10:13:30 +00:00
Christopher Faylor 5a84a8dc2e Fix typo. 2000-10-21 20:57:40 +00:00
Christopher Faylor 160c7abd0c * pinfo.cc (pinfo::init): Make PID_EXECED signal creation as well as
PID_IN_USE.
2000-10-21 19:28:49 +00:00
Christopher Faylor eca7c7291f * spawn.cc (spawn_guts): Don't do the reparenting step if we notice that the
child has exited prior to sending the subprocess_ready signal
(?).
2000-10-21 05:53:43 +00:00
Christopher Faylor b0de2aa284 * fhandler.h (fhandler_console): Remove tcsetpgrp.
* fhandler_console.cc (fhandler_console::tcsetpgrp): Eliminate.
* fork.cc (fork_parent): Avoid returning same pid twice in a row regardless of
OS.
* pinfo.cc (pinfo::init): Rename create argument to flags and treat it as such.
* signal.cc (set_sigcatchers): New function.
(signal): Use set_sigcatchers to increment or decrement sigcatcher tracker.
(sigaction): Ditto.  Add debugging output.
* spawn.cc (spawn_guts): Always quote first argv[0] argument when it's a
COMSPEC shell.
2000-10-21 04:53:49 +00:00
DJ Delorie e9921bcbaa * times.cc (to_time_t): pass zero time as epoch
* fhandler.cc (fstat): copy atime/ctime from mtime if they're zero
2000-10-20 21:45:50 +00:00
Christopher Faylor a333dca2b8 * external.cc (fillout_pinfo): Pass PID_NOREDIR flag to pinfo init to avoid
finding execed processes twice.
* signal.cc (kill_pgrp): Ditto.
* spawn.cc (spawn_guts): Avoid passing first argument to CreateProcess when
running a windows shell so that CreateProcess will locate the shell.
Reorganize so that correct error is returned when CreateProcess fails.
2000-10-20 04:20:21 +00:00
Christopher Faylor 167095f6c0 * dcrt0.cc (sigthread::init): Correct overzealous ifdef.
* exceptions.cc (call_handler): Avoid calling sigthread acquire lock.
* sigproc.h (sigthread): Comment out lock for now.
* sync.cc (muto::acquire): Add a minor optimization.
2000-10-19 17:57:28 +00:00
DJ Delorie 2556e737ec * Makefile.in: add miscfuncs.cc
* miscfuncs.cc: new, miscellaneous functions
* winsup.h: define table-driven tolower/toupper
* environ.cc: use them
* fhandler_console.cc: ditto
* fhandler_termios: ditto
* path.cc: ditto
(strncasematch, strcasematch, strcasestr): move to miscfuncs.cc
2000-10-19 03:12:44 +00:00
Christopher Faylor 4b70969a08 * sigproc.h (sigthread): Eliminate locking for now since per thread signalling
is not available.
* dcrt0.cc (sigthread::init): Ditto.
(dll_crt0_1): Move set_process_privileges call (temporarily?) to pinfo_init.
(pinfo_init): Only call set_process_privileges when allow_ntsec.
2000-10-19 00:53:25 +00:00
DJ Delorie 6e8f36bc43 * dcrt0.cc (dll_crt0_1): init cygcwd before forkee branch
* environ.cc (conv_start_chars): Cache a table of "first
characters" for environment variables needing conversion.
(getwinenv): Use it.
(environ_init): Create it, also check first chars for TERM and
CYGWIN.

* path.cc: Use lookup table for case insensitive comparisons.
2000-10-19 00:45:39 +00:00
Christopher Faylor ac944e37d0 * exceptions.cc (call_handler): Make signal pending if sigsave.sig is still
active.
* syscalls.cc (_read): Don't clear errno.
* sigproc.cc (wait_sig): Don't scan the waiting process list after a SIGCHLD if
there are no zombies to reap.
* winsup.h: Use __builtin_strcmp.
* environ.cc (posify): Don't initialize len unless it is required
(from DJ Delorie <dj@redhat.com>).
2000-10-18 04:53:37 +00:00
Christopher Faylor 3f7bd53115 * sigproc.cc (proc_subproc): Remove unneeded test for correct process in
PROC_ADDCHILD.  Return 0 when terminated child has just been reparented.
(wait_subproc): Only send SIGCHLD when proc_subproc returns != 0.
* strace.cc (strace::vsprntf): Only strip .exe extension from program name.
2000-10-17 18:55:58 +00:00
DJ Delorie e6f5c9d57d * fhandler_clipboard.cc: new file
* Makefile.in: include fhandler_clipboard.o in DLL_OFILES list.
* fhandler.h: add FH_CLIPBOARD to the devices enum.
(fhandler_dev_clipboard): new
* path.cc (windows_device_names): add "\\dev\\clipboard"
(get_device_number): check for "clipboard"
* dcrt0.cc: declare a few more functions from winuser.h
* dtable.cc (dtable::build_fhandler): check for FH_CLIPBOARD in
switch().
2000-10-17 01:46:26 +00:00
Christopher Faylor 92e1969051 * debug.cc (add_handle): Issue warning on attempts to add the same handle more
than once.
* fhandler_tty.cc (fhandler_tty_slave::open): Protect some handles.
(fhandler_tty_common::close): Use proper name when closing handles.
(fhandler_pty_master::close): Don't close to_slave or from_slave since they've
already been closed earlier in the function.
* sigproc.cc (proc_subproc): Don't protect vchild->hProcess.  Expect that the
caller will do this, instead.
* tty.cc (tty_list::terminate): Use proper name when closing handles.
(tty::make_pipes): Protect some handles.
2000-10-17 01:42:04 +00:00
Christopher Faylor 166b2571ce * Makefile.in: Remove some obsolete stuff.
* dcrt0.cc (dll_crt0_1): Call signal_fixup_after_exec where appropriate.  Set
myself->uid from parent version.  Just use ThreadItem Init method.  Close or
store hexec_proc as appropriate.
(_dll_crt0): Store user_data->forkee here so that proper tests can be made
subsequently.
(do_exit): Remove hExeced stuff.
* environ.cc (environ_init): Accept environ count as well as environ pointer.
* environ.h: Reflect above change.
* pinfo.cc (pinfo_init): Ditto.  Accept environ count.
(fixup_in_spawned_child): Remove.
* spawn.cc (spawn_guts): Move signal code to dll_crt0_1.  Don't suspend execing
process since it is no longer necessary.  Store envc.
* exceptions.cc (signal_fixup_after_exec): New function.
(call_handler): Remove hExeced test.
* child_info.h (cygheap_exec_info): Store envc as well as envp.
(child_info_spawn): Store hexec_proc so that it can be closed in child.
* path.cc (normalize_posix_path): Avoid intermediate use of temporary cwd buf.
(normalize_win32_path): Ditto.
(cwdstuff::get_initial): Always set lock.
* sigproc.h: Remove hExeced.
* strace.cc (strace::vsprntf): Modify to accomodate for lack of hExeced.
* thread.cc (MTinterface::Init): Merge Init1 and ClearReent into this method.
(MTinterface::Init1): Eliminate.
(MTinterface::ClearReent): Eliminate.
* thread.h: Reflect above changes.
* include/sys/strace.h (strace): Make microseconds() public.  Make various
functions 'regparm', throughout.
* pinfo.h (_pinfo): Inline simple signal manipulation functions.  Requires
inclusion of thread.h which was removed from .cc files, where appropriate.
throughout.
* pinfo.cc: Eliminate signal manipulation functions.
(_pinfo::exit): Calculate total rusage for exiting process here.
* cygheap.cc (size2bucket): Eliminate.
(init_buckets): Ditto.
(_cmalloc): Calculate size and bits in a loop rather than going through a
function call.
(_crealloc): Use stored array index to calculate allocated size.
* spawn.cc (spawn_guts): Use _pinfo exit method to exit, calculating cpu usage.
2000-10-16 23:55:58 +00:00
Christopher Faylor 1dc16fc74b * exceptions.cc (set_console_handler): Don't allocate
console_handler_thread_waiter.  It is obsolete.
(ctrl_c_handler): Don't use console_handler_thread_waiter.
* path.cc (hash_path_name): Fix handling of relative names.  Make case
insensitive.
* path.h (suffix_info): Use initializers.
* pinfo.h (_pinfo): Avoid initializers for null case.
* resource.cc (fill_rusage): Zero rest of rusage structure.
* security.cc (set_process_privileges): Don't reopen parent process.  Just use
hMainProc.
* signal.cc (signal): Track when a signal handler has been used.
(sigaction): Ditto.
* sigproc.cc (pchildren): Use default initializer.
(zombies): Ditto.
(sigproc_terminate): Avoid closing handles that will be closed on exit anyway.
(wait_sig): Send signal to "parent" on EXECing, not FORKing.
(wait_subproc): Send SIGCHLD here rather than in proc_wait to avoid potential
muto conflicts.
* sigproc.h (sigthread): Don't initialize to zero.  It's the default.
* spawn.cc (spawn_guts): Fill in resources from exec parent prior to
termination.
* sync.h (muto): Don't initialize to zero.
* syscalls.cc (close_all_files): Use one lock around entire loop and call
fhandler close/release stuff directly.
(_read): Don't use ready_for_read if there are not signal handlers active.
* dcrt0.cc (dll_crt0_1): Fix display of "title".
(do_exit): Use pinfo exit method to exit.
(__api_fatal): Ditto.
* exceptions.cc (signal_exit): Ditto.
* fork.cc (fork_child): Remove debugging stuff.  Use pinfo_fixup_after fork in
place of exec_fixup_after_fork.
* pinfo.cc (pinfo_fixup_after_fork): New method.
(pinfo_fixup_in_spawned_child): Ditto.
(_pinfo::exit): New method.
(_pinfo::init): Remove recursion.  Detect pathological case where pinfo
structure already exists for new pid.
* pinfo.h (_pinfo): Reorganize slightly.  Add new method and new function
declarations.
* sigproc.cc (proc_exists): Previous simplification was a little to simple.
Try harder to detect if a process exists.
(proc_terminate): Use PID_EXITED setting to determine if process is still
around.
(WFSO): Remove debugging statement.
(WFMO): Ditto.
* spawn.cc (exec_fixup_after_fork): Eliminate.
(spawn_guts): Always set old_title to NULL.  Is it really needed?  Move
hexec_proc to pinfo.cc.  Call pinfo_fixup_in_spawned_child to eliminate handle
link after a spawn.
* include/sys/cygwin.h: Remove PID_NOT_IN_USE.  Add PID_EXITED.
2000-10-15 01:37:07 +00:00
Corinna Vinschen fdc614360f Forgot to commit ChangeLog 2000-10-14 08:56:17 +00:00
Christopher Faylor aece55b982 * cygheap.cc (cygheap_fixup_in_child): Don't page round cygheap copied from
parent.
* dcrt0.cc (do_exit): Don't cleanup pinfo on exit.  That happens automatically
now.
* exceptions.cc (signal_exit): Ditto.
* fork.cc (fork_parent): Use stack_here value passed in from fork().
(fork): Figure out top of stack here and pass it to fork_parent.
* pinfo.cc (_pinfo::record_death): Eliminate.
* pinfo.h (_pinfo): Ditto.
* sigproc.cc (proc_exists): Simplify.
(proc_terminate): Ditto.
(remove_zombie): Don't cleanup pinfo stuff.
(wait_sig): Send subproc_ready signal whether execed or spawned.
* spawn.cc (spawn_guts): Always create subproc_ready event.  Use it for both
exec and spawn.
(_spawnve): Send proper mode to spawn_guts when mode != _P_OVERLAY.
2000-10-14 05:52:38 +00:00
Christopher Faylor ee20f060a8 * dtable.cc (dtable::fixup_after_fork): Revert thinko below.
* pinfo.cc (set_myself): Show pid in initial strace line.
2000-10-13 03:13:59 +00:00
Christopher Faylor 1ec4f618fe * child_info: Bump child_info "version".
(child_info): Move some fields from child_info_spawn to here.
* cygheap.cc: Make cygheap pointers NOCOPY.
* dcrt0.cc (dll_crt0_1): Copy cygwin heap here regardless of whether we've been
forked or execed.
* dtable.cc (dtable::fixup_after_fork): Just release close-on-exec fds.
* exceptions.cc (stackdump): Respond to C warning.
* fork.cc: Reorganize to minimize stack copying.
(fork_child): New function.
(fork_parent): Ditto.
(sync_with_child): Don't suspend the forkee.
(sync_with_parent): Ditto.  Make into a function.
* heap.cc (heap_init): Add some debugging output.
* path.cc (path_conv::check): Add an assertion.
(has_suffix): Ditto.
* security.cc (get_pw_sid): Defend against NULL.
* sigproc.cc (proc_subproc): Fix debugging output.
(wait_sig): Ditto.
* strace.cc: Make statics NO_COPY throughout.
(strace::vsprntf): Defend against NULL.
2000-10-12 22:15:47 +00:00
Christopher Faylor ec300c9979 * errno.cc (seterrno_from_win_error): Fix debugging output.
* fhandler.cc (fhandler_base::fstat): Move to inline method in fhandler.h.
(fhandler_base::set_io_handle): Ditto.
* fhandler.h (fhandler_base): Make some methods inline.
* fhandler_console.cc (fhandler_console::write_normal): Make buffer larger.
* sigproc.h (sigframe::sigframe): Actually use set ebp parameter correctly.
* spawn.cc (spawn_guts): Set dwProcessId when exec'ing.  Just exit immediately
after reparenting.
* syscalls.cc: Sprinkle sigframe stuff throughout.
* wait.cc (wait4): Set signal frame here.
* dcrt0.cc (__api_fatal): Don't rely on small_printf to display errors.  Always
display problems to the console, if possible.
2000-10-12 04:38:29 +00:00
Christopher Faylor e62ae31192 * path.cc (cwdstuff::get): Set EINVAL when length is zero. 2000-10-10 19:24:32 +00:00
Christopher Faylor dc7f5226eb * path.cc (mount_info::cygdrive_posix_path): Handle e:foo construction
correctly.
2000-10-09 18:10:53 +00:00
Corinna Vinschen 44e939882a * fhandler_mem.cc (fhandler_dev_mem::fhandler_dev_mem): Fix debug output. 2000-10-09 14:49:25 +00:00
Corinna Vinschen 21fdffa58a * fhandler_mem.cc: Eliminate unused include statements.
(fhandler_dev_mem::fhandler_dev_mem): Check for 9X/ME.
2000-10-09 14:02:25 +00:00
Corinna Vinschen 42f1b6c544 * fhandler.h (fhandler_dev_mem): Erase member `init_phase' and
member function `init'.
        * fhandler_mem.cc: Add typedefs for NT internal data types
        `SYSTEM_INFORMATION_CLASS' and `SYSTEM_BASIC_INFORMATION'.
        Add prototype for `NtQuerySystemInformation' function.
        (fhandler_dev_mem::fhandler_dev_mem): Takes over initialization task
        from `init'. Use `NtQuerySystemInformation' function to evaluate the
        size of physical memory instead of interval search.
        (fhandler_dev_mem::init): Eliminated.
        (fhandler_dev_mem::open): Don't call `init'.
        (fhandler_dev_mem::read): Eliminate check for `init_phase'.
        (dummy_autoload): Add load statement for `NtQuerySystemInformation'.
2000-10-09 13:19:41 +00:00
Christopher Faylor 164a681ca5 * dtable.cc (set_std_handle): Use std_consts array to control SetStdHandle
settings.
(dtable::fixup_after_fork): Ditto.
* exceptions.cc (set_sig_errno): Remove some debugging output.
* path.cc (path_conv::check): Don't OR need_directory with flags sent to
symlink_info::check.
(symlink_info::check): Use PATH_ALL_EXEC to determine when a file is
executable.
* path.h (path_types): Add PATH_ALL_EXEC.
(isexec): Use PATH_ALL_EXEC so that cygexec types will be considered
executable.
* pinfo.h (_pinfo): Add a process handle that is kept open throughout the life
of a cygwin pid.
* sigproc.cc (proc_exists): Remove hopefully obsolete stuff.
(proc_subproc): Set up process handle that is kept open throughout the life of
a cygwin pid.  Reorganize PROC_WAIT stuff to use common code.
(proc_terminate): Close pid lifetime process handle.
(checkstate): Cleanup.
(stopped_or_terminated): Move zombie cleanup.
(remove_zombie): To here.
* spawn.cc (spawn_guts): Reorganize reparenting code for 1247th time.
2000-10-09 02:53:44 +00:00
Christopher Faylor 57bf29e825 * fhandler.h (fhandler_base): Remove obsolete _rpos and _rsize elements.
* fhandler.cc (fhandler_base::open): Ditto.
* fhandler.cc (fhandler_base::fhandler_base): Ditto.
(fhandler_base::read): Ditto.  Add more debugging output.  Don't issue a \r
when \r\n detected.
* pipe.cc (make_pipe): Streamline slightly.  Make debug output more
interesting.
* strace.cc (strace::vsprintf): Use __progname where appropriate to distinguish
strace output when exec'ing.
2000-10-07 18:12:11 +00:00
Corinna Vinschen 4ea34a6850 * fhandler.h (fhandler_dev_mem): Add methods mmap, munmap and msync.
Add `unit' member.
        * fhandler_mem.cc (fhandler_dev_mem): Initialize `unit' as well.
        (init): Care for differences between /dev/mem, /dev/kmem (not
        implemented yet) and /dev/port.
        (open): Change debug message to reflect the device.
        (mmap): New function.
        (munmap): Ditto.
        (msync): Ditto.
        (fstat): Use unit when setting st_dev in stat structure.
        * mmap.cc (mmap): Handle MAP_ANONYMOUS flag.
        Change error handling slightly.
        * path.cc (get_device_number): Handle /dev/port.
2000-10-07 17:35:36 +00:00
Christopher Faylor 7aadaf0f7e * syscalls.cc (_read): Behave properly when passed previous version of
O_NDELAY.  Fix up debugging output.
2000-10-07 03:25:38 +00:00
Christopher Faylor 829425c9fd * net.cc (set_socket_inheritance): Rename from duplicate_socket. Use NT
specific call when appropriate.
(__set_winsock_errno): Rename from set_winsock_errno.  Accept function and line
as arguments.
* path.cc (path_conv::check): Continue the neverending battle to make cygwin
properly understand that path specs ending in a slash require that the path
refer to a directory.  Windows does not do this by default.
(symlink_info::check): Remove ENOTDIR test.  Move it to path_conv::check.
* path.h: Remove obsolete constant.
* winsup.h (set_winsock_errno): New macro.
2000-10-06 19:11:14 +00:00
Corinna Vinschen d12eba25a5 =====================================
These changes require rebuilding all.
        =====================================
        * fhandler.h: Add mmap(), munmap() and msync() to fhandler_base
        and fhandler_disk_file.
        * mmem.cc (mmap): Eliminated device dependent implementation details.
        These are moved to the appropriate fhandler class.
        (munmap): Ditto.
        (msync): Ditto.
        (fhandler_base::mmap): New method.
        (fhandler_base::munmap): Ditto.
        (fhandler_base::msync): Ditto.
        (fhandler_disk_file::mmap): Ditto.
        (fhandler_disk_file::munmap): Ditto.
        (fhandler_disk_file::msync): Ditto.
2000-10-05 13:07:02 +00:00
Christopher Faylor 4e6a4ea8e8 * net.cc: General cleanup.
(fdsock): Return pointer to created fhandler_socket.
(cygwin_socket): Use pointer returned by fdsock.  Return correct errno when fd
< 0.
2000-10-05 05:57:00 +00:00
Christopher Faylor a5855dc341 * exceptions.cc (interruptible): Add extra debugging.
* sigproc.h (wait_sig): Fill in frame pointer, by default, prior to calling or
suffer confusion due to September 7 change below.
2000-10-05 04:53:17 +00:00
Christopher Faylor 1daf97f97e * include/netinet/tcp.h: Remove winsock.h include.
* include/sys/cygwin.h: Move windows specific reference within conditional.
2000-10-05 03:12:36 +00:00
Corinna Vinschen 95436d7cdb * include/sys/mman.h: Add missing MAP_FAILED macro. 2000-10-04 23:17:01 +00:00
Corinna Vinschen f4f898aca0 * fhandler.h (fhandler_dev_mem): Add method `init'. Add members
`mem_size' and `init_phase'.
        * fhandler_mem.cc (init): New function to figure out the size of
        the physical memory.
        (open): Add checking for illegal flags. Change usage of access mode.
        (write): Add intended functionality.
        (read): Add parameter checking. Eliminate page size constant. Use
        getpagesize() instead. Don't touch errno and don't create debug output
        while init() is running.
        (lseek): Add bounds checking. Fix SEEK_END.
        (fstat): Eliminate page size constant. Use getpagesize() instead.
        (dup): Add intended functionality.
2000-10-04 17:08:46 +00:00
Corinna Vinschen 52b5a97156 * dcrt0.cc: Add LoadDLLFunc statement for RegEnumValueA().
* net.cc: Change comments related to get_ifconf.
        (get_2k_ifconf): Eliminate `type' variable. Eliminate `sa' parameter.
        (get_nt_ifconf): Ditto.
        (get_9x_ifconf): Ditto. Rewritten.
        (get_ifconf): Chage calls to OS specific functions.
2000-10-02 20:21:47 +00:00
Christopher Faylor 17e8632267 * signal.cc (sigaction): Allow new action == oldaction. 2000-10-02 19:19:21 +00:00
Corinna Vinschen a26fb3150d * fhandler_mem.cc: Load ntdll functions via autoload method.
(load_ntdll_funcs): Eliminated.
2000-10-02 09:07:50 +00:00
Corinna Vinschen 2f696b4bdb * fhandler_mem.cc (load_ntdll_funcs): Add missing __stdcall qualifiers. 2000-10-02 08:31:07 +00:00
Christopher Faylor 9fc09d00f7 * cygheap.cc (cygheap_init): Born again function.
(_cmalloc): Reorganize to accomodate muto locking.
(_cfree): Use muto lock to avoid multi-thread problems.
* cygheap.h (incygheap): Just use cygheap_max to find upper cygwin heap bounds.
* dcrt0.cc (dll_crt0_1): Reinstitute cygheap_init call.
* path.cc (getcwd): Just return cwdstuff::get result, allowing correct handling
of negative length.
(cwdstuff::get): Malloc a buffer if one is not available.
2000-10-02 02:26:04 +00:00
Corinna Vinschen 51c22a5c86 * Makefile.in: Add fhandler_mem.o to the dependencies.
* dtable.cc (dtable::build_fhandler): Add case for FH_MEM.
        * fhandler.h: Add FH_MEM device type.  Add class fhandler_dev_mem.
        * fhandler_mem.cc: New file. Implementation of class fhandler_dev_mem.
        * path.cc: Add /dev/mem to windows_device_names.
        (get_device_number): Add FH_MEM type.
2000-10-01 01:02:40 +00:00
Christopher Faylor 8d82847a29 * cygheap.cc (init_cheap): Set aside space for heap walk pointer.
(_csbrk): Make logic for detecting when to alloc cognizant of initialization
condition.
(_cmalloc): Use a structure to hold bucket size and heap chain pointer.  Store
pointer to next freed block in bucket size location so that it will be easy to
see if a block is allocated.
(_cfree): Store pointer to next freed block in bucket size location.
(_crealloc): Use macro to retrieve bucket size.
(cygheap_init): Eliminate.
(cygheap_fixup_in_child): Add second argument to determine if we were execed or
not.  In execed case, walk the heap, cleaning up any orphaned blocks.
* cygheap.h: Add a "MAX" value to cygheap_types.  Remove cygheap_init
declaration.  Accomodate new argument to cygheap_fixup_in child.
* fork.cc (fork): Accomodate extra argument to cygheap_fixup_in_child.
* dcrt0.cc (dll_crt0_1): Ditto.  Remove call to cygheap_init.
2000-09-30 04:54:11 +00:00
Christopher Faylor 90fe77395a * path.cc (symlink_info::check): Set executable bit for a file if the first two
characters are 'MZ' to mirror spawn_guts check.
2000-09-30 01:56:40 +00:00
Corinna Vinschen 84ecbb38d6 * winsup.h: Add `winME' to os_type symbols.
* dcrt0.cc (set_os_type): Identify Windows ME systems.
        * (host_dependent_constants::init): Care for winME.
        * uname.cc (uname): Ditto.
2000-09-30 01:38:13 +00:00
Corinna Vinschen 7326d4e4b1 * net.cc (get_ifconf): Code cleanup. Split. Call os dependent
subfunctions instead.
        (get_9x_ifconf): New function for 9X systems, called by get_ifconf.
        (get_nt_ifconf): New function for NT systems, called by get_ifconf.
        (get_2k_ifconf): New function for W2K systems, called by get_ifconf.
2000-09-28 06:34:38 +00:00
Christopher Faylor e564846577 * spawn.cc (spawn_guts): Attempt to accomodate archaic windows quoting
mechanism when dealing with '\' and '"'.
2000-09-27 05:12:09 +00:00
Christopher Faylor 4eafa56ec2 * dcrt0.cc (quoted): Fix problem where ' quoted strings were skipped.
* fhandler.h (fhandler_socket::~fhandler_socket): Delete declaration.
* net.cc: Remove unnecessary "number_of_sockets" usage.
(fhandler_socket::fhandler_socket): Ditto.
(fhandler_socket::~fhandler_socket): Delete definition.
* spawn.cc (spawn_guts): Force first argument passed to CreateProcess as a
command line to be windows style.
2000-09-26 00:52:21 +00:00
Christopher Faylor fb5956da13 * spawn.cc (av::dup_maybe): Make function void rather than void *.
* environ.cc (environ_init): Remember to reparse CYGWIN if envp is
supplied.
* heap.cc (_sbrk): Remember frame for signal handling.
* syscalls.cc (read_handler): Eliminate.
(_read): Move read_handler code here.  Reorganize for one path through
'ready_for_read'.
2000-09-25 16:36:12 +00:00
Christopher Faylor b963175618 * spawn.cc (spawn_guts): Use actual program argument passed in for argv[0] as
originally suggested by Kazuhiro Fujieda <fujieda@jaist.ac.jp>.
2000-09-19 13:48:52 +00:00
Christopher Faylor 6e604fb15d * path.h: Create new input path flag PATH_NEEDDIR.
* path.cc (path::check): Detect trailing slash before converting to windows
path.  Tell symlink_info::check to check for directory if one is found.
(symlink_info::check): Set errno when path is not a directory if pflags &
PATH_NEEDDIR.
2000-09-19 03:22:45 +00:00
Christopher Faylor a3ad824178 * fhandler_tty.cc (fhandler_tty_slave::write): Correct typo which caused
resetting of windows error to ERROR_IO_DEVICE to be ignored.
2000-09-18 23:46:10 +00:00
Christopher Faylor 9a02bdb58c * path.cc (mount_info::read_mounts): Don't delete mount entries of which mount
points have the cygdrive prefix.
* (mount_info::add_reg_mount): Properly catch errors on registry operations.
* (mount_info::write_cygdrive_info_to_registry): Ditto.
* (mount_info::del_reg_mount): Cosmetic changes to be consistent with other
methods.
* (mount_info::add_item): Check arguments more precisely.  Increment nmounts
only when registry operations succeed.
2000-09-18 16:42:28 +00:00
Christopher Faylor ca7ea5a6e7 * exceptions.cc (interruptible): Return 0 if given an address in uncommitted
memory.
2000-09-18 02:20:42 +00:00
Egor Duda a12b2260d0 * signal.cc (sleep): If interrupted by signal, return the
requested time minus the time actually slept.
2000-09-16 13:19:52 +00:00
Christopher Faylor f9f2ed0e2b * exceptions.cc (handle_exceptions): Just "core dump" if SIGSEGV in signal
thread.
* external.cc (fillout_pinfo): Fix compiler warning.
* sigproc.h: Eliminate special asm naming for sig_dispatch_pending.
* sigproc.cc (sig_send): Remove debugging statements.
2000-09-16 02:36:11 +00:00
Christopher Faylor 99d7d12af0 * spawn.cc (av): Hide 'calloced' field and limit cstrduping to class methods
only.
(spawn_guts): Use methods for manipulating most newargv stuff.
* child_info.h (child_info_spawn::~child_info_spawn): Avoid memory leaks in
cygheap.
* spawn.cc (spawn_guts): Ditto.
* dcrt0.cc (quoted): Return next character after a quoted string when not doing
special quote processing.  Also ensure that non-NULL is returned in all circumstances.
* spawn.cc (spawn_guts): Ensure that argv[0] is correctly set to the full path
when a script is detected.  Suggested by Kazuhiro Fujieda
<fujieda@jaist.ac.jp>.
2000-09-13 19:57:00 +00:00
Christopher Faylor 858f524917 * external.cc (fillout_pinfo): Handle explicit pids correctly. 2000-09-13 02:35:05 +00:00
Christopher Faylor 67826e2264 * path.cc (normalize_posix_path): Fix more slashdot madness. 2000-09-12 18:41:36 +00:00
Christopher Faylor 1d233ab53e * Makefile.in: Make clean target remove *.d. 2000-09-12 16:31:01 +00:00
Christopher Faylor 867df927a6 * path.cc (normalize_posix_path): Correctly deal with a "." parameter. 2000-09-11 17:21:13 +00:00
Christopher Faylor 9149d76e50 * cygheap.cc (init_cheap): Just use any old address for the cygwin heap.
* exceptions.cc (signal_exit): Don't terminate the main thread.  Just try to
exit in this thread really quickly.
* signal.cc (kill_pgrp): Fix typo which caused pinfo structure to be assigned
incorrectly.
2000-09-11 00:25:57 +00:00
Christopher Faylor 4f7ac76aae * dcrt0.cc (dll_crt0_1): Initialize thread and debug stuff before handling
exec/fork.
* dtable.cc (dtable::fixup_after_exec): Always clear out the read ahead buffer
whether closing or adjusting.
* path.cc (chdir): Avoid a compiler warning.
2000-09-10 16:43:47 +00:00
Christopher Faylor 4497c0df52 * path.cc (chdir): Use the full path for cwd_win32. Consider attempts to chdir
to strings of dots > 2 to be an error.  Pass 'dir' argument to cygcwd.set.
(cwdstuff::set): Need to treat arguments from chdir differently.
* path.h (cwdstuff): Add an argument to set.
2000-09-10 03:36:40 +00:00
Christopher Faylor 2137295d10 * lib/_cygwin_crt0_common.cc: Add missing header files. 2000-09-08 15:54:36 +00:00
Christopher Faylor 3b0d65eab9 * sigproc.h (sigframe::set): Eliminate second argument. Default bp to current
frame pointer rather than using this within the function, which is unstable
when this method is not inlined.
* net.cc: Eliminate use of second argument to sigframe.set throughout.
* select.cc (cygwin_select): Ditto.
* sigproc.cc (sig_send): Ditto.
2000-09-08 03:12:13 +00:00
Christopher Faylor f0338f545d Break out more header info into separate files. Use appropriate header files
throughout.
* shared.h: Remove.
* cygwin_version.h: New file.
* delqueue.h: New file.
* environ.h: New file.
* host_dependent.h: New file.
* perprocess.h: New file.
* registry.h: New file.
* security.h: New file.
2000-09-08 02:56:55 +00:00
Christopher Faylor 29ac7f89e3 Split out tty and shared_info stuff into their own headers and use throughout.
Include sys/termios.h for files which need it.
* tty.h: New file.
* shared_info.h: New file.
* fhandler.h: Move inline methods that rely on tty stuff to
fhandler_console.cc.
* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Set
output_done_event immediately after reading data to speed up tty output
processing.
(process_output): Set write_error to errno or zero.
(fhandler_tty_slave::write): Check previous write error prior to writing to
slave end of pipe.  This allows tty output to be slightly less synchronous.
* fhandler_console.cc (fhandler_console::tcsetpgrp): Moved here from
fhandler.h.
(fhandler_console::set_input_state): Ditto.
2000-09-07 16:23:51 +00:00
Christopher Faylor c1644acb23 * exceptions.cc (signal_exit): Reset all mutos owned by the main thread.
* fhandler.h: Define *_output_mutex macros for serializing tty output.
(fhandler_termios): Remove restart_output_event.  Define dummy output mutex
methods.
(fhandler_pty_master): Remove unneeded fixup_after_fork method.
* fhandler_termios.cc (fhandler_termios::line_edit): Acquire output_mutex when
CTRL-S is hit.  Release it on CTRL-Q.
* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Remove
inappropriate OutputStopped test here.  Just use the output mutex.
(fhandler_pty_master::fhandler_pty_master): Remove obsolete reference to
restart_output_event.
(fhandler_tty_common::close): Ditto.
(fhandler_pty_master::set_close_on_exec): Ditto.
(fhandler_pty_master::fixup_after_fork): Delete.
* tty.cc (tty::common_init): Ditto.
* sync.cc (muto::reset): New method.
* sync.h: Declare above method.
2000-09-07 01:18:37 +00:00
Christopher Faylor 8dec7b0379 * sigproc.cc: Add include file for proper definitions.
* spawn.cc: Ditto.
* winsup.h: Define cfree to avoid newlib pollution.
2000-09-06 21:03:10 +00:00
Christopher Faylor 3a71405fe2 * Makefile.in (CFLAGS): Ensure that -MD is always added even when CFLAGS is
overwritten.
2000-09-06 18:13:38 +00:00
Christopher Faylor b8a0fafe80 * path.cc (cwdstuff::get_initial): Keep caching alive.
(mount_info::conv_to_win32_path): Fill out relative path in failing case.
2000-09-06 06:42:08 +00:00
Christopher Faylor 3e0576957b * path.cc (normalize_posix_path): Deal with error return from cygcwd.get.
(normalize_win32_path): Ditto.
(mount_info::conv_to_win32_path): Ditto.
(cwdstuff::get): Set buf to NULL on error.
2000-09-06 01:56:17 +00:00
Christopher Faylor e321565bbc * path.cc (readlink): 'max' should be a 'min' or we'll suffer buffer overflow. 2000-09-05 21:51:06 +00:00
Christopher Faylor 7e24f1bf3a * path.cc (cwd_win32): Eliminate.
(cwd_posix): Eliminate.
(cwd_hash): Eliminate.
(cwdstuff::init): Rename from cwd_init.
(cwdstuff::fixup_after_exec): Rename from cwd_fixup_after_exec.
(cwdstuff::get): Rename from get_cwd_inner.
(normalize_posix_path): Eliminate cwd argument.  Just calculate when necessary.
(normalize_win32_path): Ditto.
(mount_info::conv_to_win32_path): Eliminate cwd retrieval here.
(mount_info::conv_to_posix_path): Ditto.
(hash_path_name): Accomodate additional methods in cwdstuff.
(get_cwd_win32): Eliminate.
(getcwd): Use cwdstuff methods.  Properly handle case where buf == NULL and len
< 0.
(cwdstuff::get_hash): New method.
(cwdstuff::get_initial): New method.
(cwdstuff::set): New method.
(cwdstuff::get): New method.
(cwdstuff::copy): New method.
* path.h: Move cwdstuff struct here.  Add a bunch of stuff to cwdstuff.  Make
cygcwd an extern.
* spawn.cc (spawn_guts): Use copy method to get copies of cwd info to pass to
execed process.
* dcrt0.cc (dll_crt0_1): Use cygcwd methods for cwd initialization.
2000-09-05 03:16:28 +00:00
Christopher Faylor f76325499a * path.cc (readlink): Check if buffer length is positive. Truncate output to
buffer length.  Don't terminate buffer with '\0'.
2000-09-04 17:52:42 +00:00
Christopher Faylor d8242040b8 * environ.cc (environ_init): Don't free the new environment table after we've
just copied stuff to it.
2000-09-03 04:45:52 +00:00
Christopher Faylor b0e82b74fb * Makefile.in: Add cygheap.o.
* child_info.h: Add specific exec class.
* cygheap.h: New file.  Contains declarations for cygwin heap.
* cygheap.cc: New file.  Implements cygwin heap functions.
* dcrt0.cc (quoted): Simplify due to new method for passing arguments between
cygwin programs.
(alloc_stack_hard_way): Attempt to handle overlapped stack.
(dll_crt0_1): Move child_info processing here.  Accomodate new method for
passing arguments between cygwin programs.  Initialize cygwin heap.  Establish
__argc and __argv variables.
(_dll_crt0): Move most of child_info processing to dll_crt0_1.
(cygwin_dll_init): Remove duplication.
* dtable.cc (dtable::extend): Allocate dtable using cygwin heap.
(dtable::build_fhandler): Ditto for fhandler type being constructed.
(dtable::dup_worker): Free new fhandler from cygwin heap on error.
(dtable::select_*): Don't assume that this == fdtab.
(dtable::linearize_fd_array): Delete.
(dtable::delinearize_fd_array): Delete.
(dtable::fixup_after_exec): New file.
(dtable::vfork_child_dup): Use cygwin heap.
(dtable::vfork_parent_restore): Ditto.
* dtable.h: Remove obsolete methods.  Add new method.
* environ.cc (posify): Eliminate already_posix parameter and logic.
(envsize): New function.
(_addenv): Use envsize.
(environ_init): Accept an argument pointing to an existing environment list.
If supplied, allocate space for this in the the program's heap.
* fhandler.cc (fhandler_base::operator =): Move here from fhandler.h.  Use
cygwin heap to allocate filenames.
(fhandler_base::set_name): Allocate/free names from cygwin heap.
(fhandler_base::linearize): Delete.
(fhandler_base::de_linearize): Delete.
(fhandler_base::operator delete): Free from cygwin heap.
(fhandler_base::~fhandler_base): Ditto.
* fhandler.h: Accomodate elimination of *linearize and other changes above.
* fhandler_console.cc (fhandler_console::fixup_after_exec): Rename from
de_linearize.
* heap.h: New file.
* fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Use cygwin heap for
name.  fhandler_tty::fixup_after_exec): Rename from de_linearize.
* fork.cc (fork): Call cygheap_fixup_in_child.
* heap.cc: Use declarations in heap.h.
* malloc.cc: Sprinkle assertions throughout to catch attempts to free/realloc
something from the cygwin heap.
* path.cc: Throughout, eliminate use of per-thread cache for cwd.  Use cwd_*
functions rather than cwd_* variables to access cwd_win32 and cwd_posix.
(cwd_win32): New function.
(cwd_posix): New function.
(cwd_hash): New function.
(cwd_fixup_after_exec): New function.
* path.h: Accomodate path.cc changes.
* pinfo.cc (pinfo_init): Accept a pointer to an environment table.  Pass this
to environ_init.  Eliminate old 'title' tests.
* pinfo.h: Accomodate above change in argument.
* spawn.cc (struct av): New method for building argv list.
(av::unshift): New method.
(spawn_guts): Allocate everything that the child process needs in the cygwin
heap and pass a pointer to this to the child.  Build argv list using new
method.  Eliminate delinearize stuff.
* thread.h: Eliminate _cwd_win32 and _cwd_posix buffers.
* winsup.h: Eliminate obsolete functions.  Add envsize() declaration.
2000-09-03 04:16:35 +00:00
Christopher Faylor 644eb6fe96 * Makefile.in: Remove "make check" support. It is now in winsup/Makefile.in. 2000-09-03 04:01:56 +00:00
Christopher Faylor 0ef7862533 * sigproc.cc (mychild): New function.
(proc_subproc): Use mychild() to determine if a specific pid is valid for
wait()ing.
2000-09-02 01:19:58 +00:00
Christopher Faylor 837528aa51 * sigproc.cc (sigproc_init): Create wait_sig_inited without auto-reset to avoid
potential races.
(init_child_info): Avoid unneeded test.
2000-09-01 21:04:34 +00:00
Christopher Faylor 488c7683e3 * sigproc.cc (proc_info): Rename proc_exists which takes a pid to "pid_exists".
* shared.h: Split out "child_info" stuff into a new header file and use where
necessary.  Declare pid_exists.
* child_info.h: New file.
2000-09-01 20:54:22 +00:00
Christopher Faylor 83a27d401a * errno.cc (set_errno_from_win_error): Actually use arguments to strace_printf. 2000-08-31 20:07:53 +00:00
DJ Delorie e873a0c7f3 * times.cc (gettimeofday): use GetSystemTimeAsFileTime to avoid a
conversion
(FACTOR): correct value
(genf): set milliseconds to zero, DOW to 4.
2000-08-30 22:37:24 +00:00
DJ Delorie 4f2aac14aa * grp.cc (getgroups): fail with EINVAL if array is not large
enough to hold all supplementary group IDs.
2000-08-29 18:59:26 +00:00
Christopher Faylor d824bcf985 * signal.cc (_raise): New function.
* exceptions.cc (unused_sig_wrapper): Remove _raise.
* sigproc.h (class sigframe): Default frames to skip to zero or suffer from
exuberant optimization.
* fhandler_tty.cc (fhandler_tty::write): Set appropriate errno when WriteFile
to pipe fails.
2000-08-29 02:06:49 +00:00
Christopher Faylor fde520bf6c * pinfo.h (pinfo): Un-inline release.
* pinfo.cc (pinfo::release): Move here from pinfo.h.
* sigproc.cc (proc_terminate): Remove bogus 'pinfo child' which caused strange
destruction of random regions of memory when destructor was invoked.
2000-08-26 03:48:37 +00:00
Christopher Faylor 3c2c374555 * dcrt0.cc (dll_crt0_1): Move set_os_type.
(_dll_crt0): To here.
(cygwin_dll_init): And here.
* external.cc (fillout_pinfo): Use more foolproof method for scanning for pids.
* pinfo.cc (set_myself): Eliminate myself_identity.init.
* sigproc.cc (wait_sig): Do it here instead to reduce the amount of time where
there could potentially be two processes with the same pid.
* spawn.cc (spawn_guts): Eliminate duplicate initialization.
* include/sys/cygwin.h: Mark unused PID_* elements.
2000-08-26 01:36:20 +00:00
Corinna Vinschen cd59f61488 * exec.cc (_execve): Change definition according to declaration in
newlib/libc/include/sys/unistd.h.
2000-08-25 19:52:04 +00:00
Christopher Faylor 239b06b864 * external.cc (cygwin_internal): Add CW_INIT_EXCEPTIONS to allow cygwin
exception handling on threads not created by cygwin.
* sigproc.cc (proc_terminate): Don't release pinfo structs since we are
exiting.
* include/sys/cygwin.h: Add CW_INIT_EXCEPTIONS.
2000-08-25 02:27:42 +00:00
Christopher Faylor de43b06d7b * ps.cc (main): Always print a cygwin process using cygwin paths. 2000-08-24 22:04:29 +00:00
Christopher Faylor a3cfd73ac9 * select.cc (cygwin_select): Correct logic for "always_ready" fds or when there
is no wait specified.
* syslog.cc (pass_handler::set_message): Zero the buffer prior to setting it.
2000-08-24 21:19:14 +00:00