changelog

cygwin, 著名的在win32下模拟unix操作系统的东东

	* cygwin.din: Export fseeko() and ftello().
	* include/cygwin/version.h: Bump API minor version.

2002-11-06  Christopher Faylor  <[e-mail]>

	* fhandler_console.cc (keytable[]): Revert previous change.  It would
	break too many things.

2002-11-06  Christopher Faylor  <[e-mail]>

	* fhandler_console.cc (keytable[]): Redefine F1 - F5 to something a
	little more sensical.

2002-11-06  Sergey Okhapkin  <[e-mail]>

	* syscalls.cc (getutid): Use UT_IDLEN where appropriate.

2002-11-06  Christopher Faylor  <[e-mail]>

	* include/cygwin/version.h: Bump API minor number for below export.

2002-11-06  Sergey Okhapkin  <[e-mail]>

	* cygwin.din (pututline): New exported function.
	* syscalls.cc (login): Use pututiline().
	(setutent): Open utmp as read/write.
	(endutent): Check if utmp file is open.
	(utmpname): call endutent() to close current utmp file.
	(getutid): Enable all cases, use strncmp() to compare ut_id fields.
	(pututline): New.
	* tty.cc (create_tty_master): Set ut_pid to current pid.

2002-11-05  Christopher Faylor  <[e-mail]>

	* fhandler_serial.cc (fhandler_serial::ioctl): Don't try to figure out
	if OS has the capability to retrieve RTS/CTS.  Just set default values
	if DeviceIoControl fails.  (suggested by Sergey Okhapkin)

2002-11-05  Sergey Okhapkin  <[e-mail]>

	* fhandler_serial.cc (fhandler_serial::raw_read): Use correct type for
	minchars.
	(fhandler_serial::ioctl): Set errno if the ClearCommError fails.
	(fhandler_serial::tcsetattr): Use correct value for vmin_.
	(fhandler_serial::tcgetattr): Ditto.

2002-11-05  Thomas Pfaff  <[e-mail]>

	* fhandler_socket.cc (fhandler_socket::recvmsg): Call if from == NULL
	WSARecvFrom with fromlen = NULL.

2002-11-04  Christopher Faylor  <[e-mail]>

	* pinfo.cc (_pinfo::commune_send): Fix thinko in previous checkin.

2002-11-04  Christopher Faylor  <[e-mail]>

	* pinfo.cc (_pinfo::commune_send): Set priority low when sleeping,
	waiting for commune completion so that we don't spin waiting for lower
	priority processes.

2002-11-04  Christopher Faylor  <[e-mail]>

	* sigproc.cc (WAIT_SIG_PRIORITY): Bump to THREAD_PRIORITY_TIME_CRITICAL.

2002-11-04  Christopher Faylor  <[e-mail]>

	* pinfo.cc (_pinfo::commune_send): Initialize buffer or suffer random
	crashes.

2002-11-04  Christopher Faylor  <[e-mail]>

	* fhandler_process.cc (fhandler_process::fill_filebuf): Deal with error
	condition from cmdline retrieval.

2002-11-04  Christopher Faylor  <[e-mail]>

	* sigproc.cc (WAIT_SIG_PRIORITY): Bump to highest priority.

2002-11-04  Christopher Faylor  <[e-mail]>

	* include/cygwin/version.h: Bump DLL minor number.

2002-11-03  Christopher Faylor  <[e-mail]>

	* fhandler_serial.cc (fhandler_serial::ioctl): Reformat.  Set errno
	appropriately.  Exit from the bottom.  Correctly deal with third
	argument for TCFLSH.  (Suggested by Sergey Okhapkin)

2003-11-03  Sergey Okhapkin  <[e-mail]>

	* fhandler_tty.cc (fhandler_tty_slave::ioctl): Do nothing if the new
	window size is equal to the old one.  Send SIGWINCH if slave connected
	to a pseudo tty.
	(fhandler_pty_master::ioctl): Do nothing if the new window size is
	equal to the old one.

2002-10-31  Pierre Humblet <[e-mail]>

	* fhandler.cc (fhandler_base::open): Verify pc isn't NULL.

2002-10-30  Christopher Faylor  <[e-mail]>

	* include/cygwin/version.h: Bump DLL minor number.

2002-10-30  Christopher Faylor  <[e-mail]>

	* external.cc (cygwin_internal): Implement CW_CMDLINE.
	* pinfo.h (SIGCOMMUNE): New signal type.
	(commune_result): New structure for commune functions.
	(picom): New enum for commune functions.
	(_pinfo::hello_pid): New.  Pid who's communicating with me.
	(_pinfo::tothem): New.  Handle of communicating pipe.
	(_pinfo::fromthem): Ditto.
	(_pinfo::commune_recv): Declare.
	(_pinfo::commune_send): Declare.
	(_pinfo::alive): Declare.
	(_pinfo::cmdline): Declare.
	(_pinfo::lock): Declare.
	* pinfo.cc (set_myself): Initialize new _pinfo lock.
	(_pinfo::alive): Define. Determines if process still exists.
	(_pinfo::commune_recv): Define.  Receive info from another cooperating process.
	(_pinfo::commune_send): Define.  Send info to another cooperating process.
	(_pinfo::cmdline): Define.  Determine command line of a given process.
	* include/sys/cygwin.h (CW_CMDLINE): Define.

	*sigproc.cc (talktome): Communicate with any processes who want to talk
	to me.
	(wait_sig): Honor __SIGCOMMUNE.

	* fhandler.cc (fhandler_virtual::fixup_after_exec): Declare.
	* fhandler_proc.cc: Use malloc/free/realloc throughout rather than
	cmalloc since buffers don't need to be propagated to subprocesses.
	* fhandler_registry.cc: Ditto.
	* fhandler_virtual.cc: Ditto.
	(fhandler_virtual::fixup_after_exec): Define.
	* fhandler_process.cc: Ditto for malloc/free/realloc.
	(process_listin): Add "cmdline".
	(fhandler_process::fill_filebuf): Implement PROCESS_CMDLINE.

	* miscfuncs.cc (isalpha_array): New array populated with xor values for
	alpha characters to switch from one case to another.
	* string.h (cygwin_strcasematch): New asm implementation of case match.
	* string.h (cygwin_nstrcasematch): New asm implementation of counted
	case match.

2002-10-24  Pierre Humblet <[e-mail]>

	* pwdgrp.h (pwdgrp_read::open): Compare fh to INVALID_HANDLE_VALUE.

2002-10-22  Christopher Faylor  <[e-mail]>

	* fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): Nevermind.
	Revert everything to previous state wrt ntsec and exec bits.

2002-10-22  Christopher Faylor  <[e-mail]>

	* shared.cc (shared_info::initialize): Use correct value for version
	comparison.
	* include/cygwin/version.h (CYGWIN_VERSION_MAGIC): Use all of a DWORD
	for magic calculation.

2002-10-22  Christopher Faylor  <[e-mail]>

	* fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): Oops.  Only
	do the executable thing for #! scripts since .exe files wouldn't be
	executable in ntsec case regardless.

2002-10-22  Christopher Faylor  <[e-mail]>

	* fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): Always
	consider .exe files and '#!' shell scripts to be executable.

2002-10-22  Christopher Faylor  <[e-mail]>

	* cygthread.cc (cygthread::exiting): New variable.
	(cygthread::initialized): Delete.
	(cygthread::stub): Use exiting variable to determine when to exit.
	(cygthread::runner): Delete.
	(cygthread_protect): New variable.
	(cygthread::init): Don't start runner thread.  Initialize muto for list
	protection.
	(cygthread::freerange): Return pointer to cygthread.
	(cygthread::operator new): Change logic to start threads on an
	as-needed basis.
	(cygthread::detach): Don't zero id.
	(cygthread::terminate): Don't kill any executing threads.  Just set
	exiting flag.
	* cygthread.h (cygthread): Reflect above changes.
	* dcrt0.cc (dll_crt0_1): Move cygthread initialization later.

	* fork.cc (fork_child): Do fdtab fixup after dll fixup or (apparently)
	winsock may allocate memory in dll load address.

2002-10-22  Pierre Humblet <[e-mail]>

	* sec_helper.cc (cygsid::get_id): If the sid matches a sid stored in
	cygheap->user, return the uid or gid from myself.
	* security.cc (alloc_sd): If gid == myself->gid, return the group sid
	from cygheap->user.  Remove the test for uid == original_uid, which is
	counter-productive.

2002-10-22  Christopher Faylor  <[e-mail]>

	* cygheap.cc (cygheap_fixup_in_child): Use user_heap element in
	cygheap.
	(init_cheap): Ditto for declaration.
	* fork.cc (fork_parent): Use user_heap element in cygheap.
	* heap.h (inheap): Ditto.
	* heap.cc (sbrk): Ditto.
	(heap_init): Ditto.  Reorganize to shrink heap chunk as required and
	record new value in cygheap.
	* dcrt0.cc (dll_crt0_1): More "move the cygthread init" games.
	* shared.cc (open_shared): Rework memory protection to properly deal
	with relocated shared segment.
	(shared_info::heap_chunk_size): Rename element to 'heap_chunk'.
	* shared_info.h (shared_info): Ditto for declaration.
	* strace.cc (strace::hello): Report on heap chunk size from cygheap
	since it may shrink.

2002-10-20  Christopher Faylor  <[e-mail]>

	Change _function() to function() throughout.
	* cygwin.din: Remove last vestiges (?) of newlib wrappers.

2002-10-20  Christopher Faylor  <[e-mail]>

	* cygthread.cc (cygthread::detach): Always wait for event or suffer an
	apparently inavoidable race.
	* dcrt0.cc (dll_crt0_1): Allocate threads after stack has been
	relocated.
	* debub.cc (lock_debug): Don't acquire lock on exit.
	* fork.cc (fork_child): Recreate mmaps before doing anything else since
	Windows has a habit of using blocks of memory in the child that could
	previously have been occupied by shared memory in the parent.
	* mmap.cc (fhandler_disk_file::fixup_mmap_after_fork): Issue error here
	and provide some details about what went wrong.
	(fixup_mmaps_after_fork): Remove error message.
	* shared.cc (open_shared): Move warning message so that more detail is
	possible.
	* sigproc.cc (sigproc_init): Initialize sync_proc_subproc to avoid a
	race.
	(sigproc_terminate): Specifically wait for process thread to terminate.

2002-10-20  Christopher Faylor  <[e-mail]>

	* cygthread.cc (cygthread::stub): Fix typo.
	(cygthread::terminate): Don't zero thread handle prior to using it.

2002-10-20  Christopher Faylor  <[e-mail]>

	* sigproc.cc (wait_sig): Remove obsolete sigchld logic.

2002-10-20  Christopher Faylor  <[e-mail]>

	Rename _kill() to kill() throughout.  Rename _raise() to raise()
	throughout.  Rename _pid() to pid() throughout.
	* Makefile.in: Compile some objects with -fomit-frame-pointer.
	* cygwin.din: Reverse aliasing for _kill.
	* syscalls.cc (_getpid_r): New function, implemented for newlib
	compatibility.

	* shared.cc (open_shared): Remove reserving of memory since previous
	change eliminate the need for this hack.

2002-10-19  Christopher Faylor  <[e-mail]>

	* fork.cc (fork_child): Move pinfo fixup later to attempt some minor
	gains from concurrency with cythread::init.

2002-10-18  Christopher Faylor  <[e-mail]>

	* dcrt0.cc (dll_crt0_1): Initialize cygwin threads here only when not
	forking.
	* fork.cc (fork_child): Initialize cygwin thread later in process to
	avoid allocating memory for thread stacks.
	* shared.cc (open_shared): Issue warning if NT and shared segment is
	relocated.

2002-10-18  Christopher Faylor  <[e-mail]>

	* cygthread.cc: Bump number of cygthreads up to accommodate
	applications which use ttys.

2002-10-18  Christopher Faylor  <[e-mail]>

	* fork.cc (fork_child): Move mmap initialization.
	* shared.cc (shared_info::heap_chunk_size): Store info as megabytes.
	Search HKEY_LOCAL_MACHINE as well as HKEY_CURRENT_USER.
	* shared_info.h (shared_info::initial_heap_size): Change element name
	to reflect new functionality.
	* strace.cc (strace::hello): Report on initial heap size.

2002-10-18  Thomas Pfaff  <[e-mail]>

	* thread.cc (verifyable_object_isvalid): Test for a valid object
	pointer before testing for static ptr.

2002-10-17  Christopher Faylor  <[e-mail]>

	* dtable.cc (dtable::init_std_file_from_handle): Force "devices" to
	always be in binary mode.  Temporary fix until ssh is rebuilt?

2002-10-17  Christopher Faylor  <[e-mail]>

	* dtable.cc (dtable::set_file_pointers_for_exec): New function.
	* dtable.h (dtable::set_file_pointers_for_exec): Declare new function.
	* spawn.cc (spawn_guts): Call dtable::set_file_pointers_for_exec to set
	pointers to EOF when execing non-cygwin applications.

2002-10-17  Robert Collins  <[e-mail]>

	* thread.h (pthread_mutex::isGoodInitializerOrBadObject): Declare.
	* thread.cc (pthread_mutex::isGoodInitializerOrBadObject): Implement.
	(pthread_mutex::init): Use isGoodInitializerOrBadObject to avoid
	unneeded SEGV's during debugging.

2002-10-17  Thomas Pfaff  <[e-mail]>

	* thread.cc (verifyable_object_isvalid): Test for static object first.

2002-10-16  Christopher Faylor  <[e-mail]>

	* fhandler_tty.cc (fhandler_tty_slave::read): Attempt #527 to properly
	implement VMIN/VTIME.

2002-10-15  Christopher Faylor  <[e-mail]>

	* shared.cc (open_shared): Revert to "old" method for shared memory