changelog-2001

cygwin, 著名的在win32下模拟unix操作系统的东东

	(__pthread_cond_init): Ditto.
	(__pthread_cond_broadcast): Ditto.
	(__pthread_cond_signal): Ditto.
	(__pthread_condattr_init): Ditto.
	(__pthread_condattr_getpshared): Ditto.
	(__pthread_condattr_setpshared): Ditto.
	(__pthread_condattr_destroy): Ditto.
	(__pthread_kill): Ditto.
	(__pthread_mutex_init): Ditto.
	(__pthread_mutex_getprioceiling): Ditto.
	(__pthread_mutex_lock): Ditto.
	(__pthread_mutex_trylock): Ditto.
	(__pthread_mutex_unlock): Ditto.
	(__pthread_mutex_destroy): Ditto.
	(__pthread_mutex_setprioceiling): Ditto.
	(__pthread_mutexattr_getprotocol): Ditto.
	(__pthread_mutexattr_getpshared): Ditto.
	(__pthread_mutexattr_gettype): Ditto.
	(__pthread_mutexattr_init): Ditto.
	(__pthread_mutexattr_destroy): Ditto.
	(__pthread_mutexattr_setprotocol): Ditto.
	(__pthread_mutexattr_setprioceiling): Ditto.
	(__pthread_mutexattr_getprioceiling): Ditto.
	(__pthread_mutexattr_setpshared): Ditto.
	(__pthread_mutexattr_settype): Ditto.
	(__sem_init): Ditto.
	(__sem_destroy): Ditto.
	(__sem_wait): Ditto.
	(__sem_trywait): Ditto.
	(__sem_post): Ditto.
	(__pthread_cond_dowait): New function, contains core logic from
	__pthread_cond_wait and __pthread_cond_timedwait. Decrement (*cond)->waiting
	before reentering the cond access mutex to allow detection of lost signals.
	(__pthread_cond_timedwait): Rename to pthread_cond_timedwait, and call
	__pthread_cond_dowait after calculating the wait length.
	(__pthread_cond_wait): Rename to pthread_cond_wait, and call
	__pthread_cond_dowait.
	* thread.h: New enum for use with verifyable_object_isvalid.
	Remove the extern exporting of __pthread_cond_timedwait and __pthread_cond_wait.

Fri Sep 28 21:18:50 2001  Christopher Faylor <[e-mail]>

	* pipe.cc (fhandler_pipe::fixup_after_fork): New method.
	* fhandler.h (fhandler_pipe::fixup_after_fork): Declare new method.

Fri Sep 28 03:23:04 2001  Christopher Faylor <[e-mail]>

	* passwd.cc (read_etc_passwd): Bother with unlocking when not
	in cygwin initialization.
	* grp.cc (read_etc_group): Ditto.

Fri Sep 28 02:57:03 2001  Christopher Faylor <[e-mail]>

	* passwd.cc (read_etc_passwd): Don't bother with locking when
	in cygwin initialization since there is only one thread.
	* grp.cc (read_etc_group): Ditto.

Fri Sep 28 01:50:09 2001  Christopher Faylor <[e-mail]>

	* pipe.cc (fhandler_pipe::hit_eof): Return correct value when there is
	no EOF event available.

Sat Sep 28 00:34:00 2001  Corinna Vinschen <[e-mail]>

	* mmap.cc (mmap): Move setting the access after evaluating fd.
	Remove useless comment.  Explain copy-on-write problem of 9x
	more detailed.  Don't set access to FILE_MAP_COPY on 9x only
	when anonymous mapping is requested.
	(fhandler_disk_file::mmap): Remove useless device check.
	Add debug output.

Fri Sep 27 07:35:00 2001  Robert Collins <[e-mail]>

	* Makefile.in: Only stamp winver_stamp on success.

Wed Sep 26 16:02:35 2001  Christopher Faylor <[e-mail]>

	* select.cc (peek_pipe): REALLY only grab mutex when we actually got
	something from the pipe.

Tue Sep 25 21:25:00 2001  Robert Collins <[e-mail]>

	* thread.cc (pthread_cond::BroadCast): Use address with verifyable_object_isvalid().
	(pthread_cond::Signal): Ditto.
	(__pthread_create): Ditto.
	(__pthread_cleanup): Ditto.
	(__pthread_attr_init): Ditto.
	(__pthread_attr_getinheritsched): Ditto.
	(__pthread_attr_getschedparam): Ditto.
	(__pthread_attr_getschedpolicy): Ditto.
	(__pthread_attr_getscope): Ditto.
	(__pthread_attr_setdetachstate): Ditto.
	(__pthread_attr_getdetachstate): Ditto.
	(__pthread_attr_setinheritsched): Ditto.
	(__pthread_attr_setschedparam): Ditto.
	(__pthread_attr_setschedpolicy): Ditto.
	(__pthread_attr_setscope): Ditto.
	(__pthread_attr_setstacksize): Ditto.
	(__pthread_attr_getstacksize): Ditto.
	(__pthread_attr_destroy): Ditto.
	(__pthread_join): Ditto.
	(__pthread_detach): Ditto.
	(__pthread_suspend): Ditto.
	(__pthread_continue): Ditto.
	(__pthread_getschedparam): Ditto.
	(__pthread_getsequence_np): Ditto.
	(__pthread_key_create): Ditto.
	(__pthread_key_delete): Ditto.
	(__pthread_setschedparam): Ditto.
	(__pthread_setspecific): Ditto.
	(__pthread_getspecific): Ditto.
	(__pthread_cond_destroy): Ditto.
	(__pthread_cond_init): Ditto.
	(__pthread_cond_broadcast): Ditto.
	(__pthread_cond_signal): Ditto.
	(__pthread_cond_timedwait): Ditto.
	(__pthread_cond_wait): Ditto.
	(__pthread_condattr_init): Ditto.
	(__pthread_condattr_getpshared): Ditto.
	(__pthread_condattr_setpshared): Ditto.
	(__pthread_condattr_destroy): Ditto.
	(__pthread_kill): Ditto.
	(__pthread_mutex_init): Ditto.
	(__pthread_mutex_getprioceiling): Ditto.
	(__pthread_mutex_lock): Ditto.
	(__pthread_mutex_trylock): Ditto.
	(__pthread_mutex_unlock): Ditto.
	(__pthread_mutex_destroy): Ditto.
	(__pthread_mutex_setprioceiling): Ditto.
	(__pthread_mutexattr_getprotocol): Ditto.
	(__pthread_mutexattr_getpshared): Ditto.
	(__pthread_mutexattr_gettype): Ditto.
	(__pthread_mutexattr_init): Ditto.
	(__pthread_mutexattr_destroy): Ditto.
	(__pthread_mutexattr_setprotocol): Ditto.
	(__pthread_mutexattr_setprioceiling): Ditto.
	(__pthread_mutexattr_getprioceiling): Ditto.
	(__pthread_mutexattr_setpshared): Ditto.
	(__pthread_mutexattr_settype): Ditto.
	(__sem_init): Ditto.
	(__sem_destroy): Ditto.
	(__sem_wait): Ditto.
	(__sem_trywait): Ditto.
	(__sem_post): Ditto.
	(verifyable_object_isvalid): Recieve a pointer to a pointer for verification.
	(__pthread_mutexattr_getprotocol): Fix typo in magic number.
	(__pthread_mutexattr_getpshared): Ditto.
	(__pthread_mutexattr_gettype): Ditto.
	* thread.h (verifyable_object_isvalid): Change prototype to recieve a pointer to a
	pointer for verification.
	* include/pthread.h: Fix typo for __cleanup_routine_type typedef. (Contrib from Net).

Tue Sep 25 02:09:42 2001  Christopher Faylor <[e-mail]>

	* select.cc (fhandler_tty_common::ready_for_read): Rewrite to correctly
	call peek_pipe.

Mon Sep 24 18:46:39 2001  Christopher Faylor <[e-mail]>

	* select.cc (peek_pipe): Only grab mutex when we actually got something
	from the pipe.

Mon Sep 24 17:41:03 2001  Christopher Faylor <[e-mail]>

	* fhandler.h (fhandler_pipe::hit_eof): New method.
	(writepipe_exists): New class element.
	(orig_pid): Ditto.
	(id): Ditto.
	(is_slow): Eliminate.
	* pipe.cc (fhandler_pipe::set_close_on_exec): Set inheritance on
	writepipe_exists, if it exists.
	(fhandler_pipe::hit_eof): New method, modelled after tty.
	(fhandler_pipe::dup): Duplicate writepipe_exists, if it exists.
	(make_pipe): Set up a dummy event for pipes on windows 9x.  The
	nonexistence of this event means that the write side of the
	pipe has closed.
	(_dup): Move to syscalls.cc
	(_dup2): Ditto.

	* dtable.cc (dtable::build_fhandler): Fill out set_names here, if
	appropriate.
	* syscalls.cc (_open): Call set_names in build_fhandler.

Sun Sep 23 16:55:00 2001  Corinna Vinschen <[e-mail]>

	* syscalls.cc (_open): Set name in fhandler object after successful
	creation.
	(stat_dev): Set device type to block device in FH_FLOPPY case.

Sun Sep 23 11:15:00 2001  Corinna Vinschen <[e-mail]>

	* dtable.cc (dtable::build_fhandler): Initialize unit when using
	optional path_conv argument.

Sat Sep 22 17:33:45 2001  Christopher Faylor <[e-mail]>
			  Corinna Vinschen <[e-mail]>

	* dtable.cc (dtable::build_fhandler): Accept an optional path_conv
	argument.  If available, use this to calculate path name and device
	number.
	* dtable.h (dtable): Reflect above change.
	* fhandler.h (fhandler_base): Declare virtual method which accepts
	path_conv rather than path string as first argument.
	* fhandler.cc (fhandler_base::open): Define above new method.
	* syscalls.cc (_open): Set aside a path_conv variable for use in
	build_fhandler and subsequent call to open.

Sat Sep 22 12:44:57 2001  Christopher Faylor <[e-mail]>

	* exceptions.cc (setup_handler): Always relinquish lock after we've
	interrupted.
	* fhandler.cc: Move pipe methods to pipe.cc.
	* fhandler.h (fhandler_pipe): Add new methods.
	* fork.cc (sync_with_parent): Make error messages more informative.
	* pipe.cc (fhandler_pipe::fhandler_pipe): Move here from fhandler.cc.
	(fhandler_pipe::lseek): Ditto.
	(fhandler_pipe::set_close_on_exec): New method.
	(fhandler_pipe::read): Ditto.
	(fhandler_pipe::close): Ditto.
	(fhandler_pipe::dup): Ditto.
	(make_pipe): Create the guard mutex on the read side of the pipe.
	* select.cc (peek_pipe): Use guard_mutex to discover if we have the
	right to read on this pipe.
	(fhandler_pipe::readh_for_read): Pass the read pipe guard mutex to
	peek_pipe.
	* syscalls.cc (_read): Always detect signal catchers, for now.

	* debug.cc (makethread): Eliminate hack to make thread inheritable.
	* sigproc.cc (subproc_init): Don't use hack to make thread inheritable.

Thu Sep 20 16:48:44 2001  Christopher Faylor <[e-mail]>

	* fhandler.cc (fhandler_base::set_inheritance): Just use
	DUPLICATE_CLOSE_SOURCE to change inheritance.  Eliminate all other
	logic dealing with closed handles.
	* fhandler.h (fhandler_base::set_inheritance): Reflect above change.
	* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Ditto.

Thu Sep 20 13:34:00 2001  Corinna Vinschen <[e-mail]>

	* fhandler_socket.cc (fhandler_socket::fixup_after_exec): Close
	socket only when not using Winsock2.

Thu Sep 20 13:20:00 2001  Corinna Vinschen <[e-mail]>

	* fhandler.h (fhandler_socket::fixup_after_exec): Remove inline
	implementation.
	(fhandler_dev_raw::fixup_after_exec): Ditto.
	* fhandler_raw.cc (fhandler_dev_raw::fixup_after_fork): Don't
	duplicate buffer on fork to avoid memory leak.
	(fhandler_dev_raw::fixup_after_exec): New implementation equal to
	former fixup_after_fork() implementation.
	* fhandler_socket.cc (fhandler_socket::fixup_after_fork): Do
	nothing when not using Winsock2.
	(fhandler_socket::fixup_after_exec): New implementation.
	(fhandler_socket::set_close_on_exec): Never call set_inheritance().

Thu Sep 20  9:55:00 2001  Corinna Vinschen <[e-mail]>

	* fhandler.cc (fhandler_base::set_inheritance): If available,
	use SetHandleInformation() to set inheritance.
	* wincap.cc: Set flag has_set_handle_information_on_console_handles
	appropriately.
	* wincap.h: Add flag has_set_handle_information_on_console_handles.

Wed Sep 19 12:24:09 2001  Christopher Faylor <[e-mail]>

	* lib/getopt.c (__progname): Don't declare if not compiling for cygwin.

Wed Sep 19 18:07:00 2001  Corinna Vinschen <[e-mail]>

	* lib/getopt.c (getopt_long): Avoid compiler warning.

Wed Sep 19 11:52:42 2001  Christopher Faylor <[e-mail]>

	* lib/getopt.c: Use __progname==__argv[0] when not compiling for cygwin.

	* scandir.cc (scandir): Use correct default when compar == NULL.

Wed Sep 19 17:49:00 2001  Corinna Vinschen <[e-mail]>

	* fhandler_socket.cc (fhandler_socket::fhandler_socket): Revert
	memory allocation to use cmalloc again.

Tue Sep 18 21:04:26 2001  Christopher Faylor <[e-mail]>

	* cygwin.din (__argv): Export.
	(__argc): Ditto.
	(__progname): Ditto.
	* include/getopt.h (getopt_long): constify arguments.
	* lib/getopt.c: Import new file from NetBSD.

Tue Sep 18 18:21:00 2001  Corinna Vinschen <[e-mail]>

	* mmap.cc (mmap): Don't reuse anonymous memory in MAP_FIXED case.

Mon Sep 17 17:29:25 2001  Christopher Faylor <[e-mail]>

	* include/io.h: Add access declaration.

Mon Sep 17 14:04:27 2001  Christopher Faylor <[e-mail]>

	* syscalls.cc (rmdir): Set cwd to some other location if attempting to
	rmdir current working directory.

Sun Sep 16 23:04:31 2001  Christopher Faylor <[e-mail]>

	* dtable.h (not_open): Assure inline.
	* fhandler.h (operator []): Make const.

Sun Sep 16 23:02:57 2001  Robert Collins <[e-mail]>

	* sync.cc (muto::~muto): Fix typo which stopped muto event handle from
	ever being closed.

2001-09-16  Egor Duda  <[e-mail]>

	* path.cc (symlink): Check arguments for validity.
	(getcwd): Ditto.
	* syscalls.cc (ftruncate): Ditto.
	* times.cc (times): Ditto.
	* uname.cc (uname): Ditto.

Sat Sep 15 22:54:49 2001  Christopher Faylor <[e-mail]>

	* net.cc (dup_servent_ptr): Detect old Windows 95 misaligned structure
	and realign appropriately.

Sat Sep 15 00:28:40 2001  Christopher Faylor <[e-mail]>

	* Makefile.in: Generate libcygwin.a during the link pass rather than as
	a separate dlltool step.
	* dcrt0.cc (_dll_crt0): pppid_handle could be NULL.  Don't close it if
	so.

Fri Sep 14 20:48:18 2001  Christopher Faylor <[e-mail]>

	* dcrt0.cc (dll_crt0_1): Create vfork main storage here so that it can
	be queried in waitsig later.
	* sigproc.cc (wait_sig): Don't deliver a signal if in a vfork.
	* sigproc.h (sigframe::init): New method.
	(sigframe): Use init.
	* perthread.h: Declare main_vfork.
	* fork.cc (vfork): Deliver all signals on pa