Wed Dec 31 15:00:32 1997  Geoffrey Noer  <noer@cygnus.com>	patch from sos@prospect.com.ru (Sergey Okhapkin):	* hinfo.cc (hinfo_vec::find_unused_handle): correct	previous patch -- need to fix up vec[i].h pointersWed Dec 31 14:13:22 1997  Ian Lance Taylor  <ian@cygnus.com>	* regexp/Makefile.in (tooldir): New variable.	(install): Install regexp.h.Tue Dec 30 19:52:46 1997  Ian Lance Taylor  <ian@cygnus.com>	* net.cc (inet_netof): New function.	(inet_makeaddr): New function.	* cygwin.din: Export inet_netof and inet_makeaddr.Tue Dec 23 17:45:07 1997  Ian Lance Taylor  <ian@cygnus.com>	* path.cc (current_directory_name): New static variable.	(current_directory_posix_name): New static variable.	(getcwd_inner): Cache the directory name.	(chdir): Move here from syscalls.cc.  Clear directory cache	variables.	* syscalls.cc (chdir): Remove; now in path.cc.	* environ.cc (setenv): Add cast to avoid warning.	* security.cc (get_file_attribute): Make file parameter a pointer	to const char.	(set_file_attribute): Likewise.	* winsup.c (get_file_attribute): Update declaration.	(set_file_attribute): Likewise.	* path.cc (path_conv): Don't pass the root directory to	symlink_check_one.Mon Dec 22 16:34:40 1997  Ian Lance Taylor  <ian@cygnus.com>	* path.cc (realpath): Use path_conv to resolve symlinks.	* path.cc (path_conv::path_conv): Rewrite completely to convert to	win32 path first and then check for symlinks element by element.	(symlink_check_one): New static function based on old	symlink_check_worker, but without path conversion.	(path_prefix_p): Move definition before all uses. 	(skip_n_slashes, symlink_expand, symlink_follow): Remove.	(symlink_check_worker, symlink_check): Remove.	(readlink): Rewrite to use new symlink_check_one.	(unmixedcaseify, mixedcaseify): Comment out.	* path.h (symlink_check, symlink_follow): Don't declare.	* fhandler.cc (open): Don't pass O_NOSYMLINK to path_conv.  Set	errno from path_conv if it fails.	* dirsearch.cc (opendir): Check errors from path_conv, and set	errno appropriately.	* times.cc (utimes): Likewise.	* syscalls.cc (_unlink, _link, mkdir, rmdir, chdir): Likewise.	(chmod, _rename): Likewise.	(_stat_worker): Don't just pass nofollow to _open, but base	whether to pass O_NOSYMLINK on whether nofollow is set.	(lstat): Pass 1, not O_NOSYMLINK, to _stat_worker.	* strerror.cc (strerror): Add ELOOP.Thu Dec 18 12:30:47 1997  Ian Lance Taylor  <ian@cygnus.com>	* fhandler.h (class fhandler_base): Remove inline definitions of	tcflush, tcsendbreak, tcdrain, tcflow, tcsetattr, tcgetattr,	tcsetpgrp, and tcgetpgrp, so that we can set proper errno values.	(class fhandler_tty): Add pgrp_ field, and virtual tcgetpgrp and	tcsetpgrp functions.	* fhandler.cc (fhandler_base::tcflush): New function.	(fhandler_base::tcsendbreak): New function.	(fhandler_base::tcdrain): New function.	(fhandler_base::tcflow): New function.	(fhandler_base::tcsetattr): New function.	(fhandler_base::tcgetattr): New function.	(fhandler_base::tcsetpgrp): New function.	(fhandler_base::tcgetpgrp): New function.	(fhandler_tty::fhandler_tty): Initialize pgrp_.	* tty.cc (tcsetpgrp): Set errno correctly on failure.	* include/sys/termios.h (CBAUD): Change to 037.	(B57600, B115200): Change to values that can fit in a speed_t.	* spawn.cc (spawn_guts): Set errno correctly if we can't find the	executable.Mon Dec 15 16:40:07 1997  Geoffrey Noer  <noer@cygnus.com>	patch from msnyder@cygnus.com (Michael Snyder):	* heap.cc (_sbrk): handle situation where newalloc < incrMon Dec 15 16:40:07 1997  Geoffrey Noer  <noer@cygnus.com>	patch from sos@prospect.com.ru (Sergey Okhapkin):	Allow Cygwin32 to terminate process even when in a blocking	winsock call.	* exceptions.cc (call_handler): call to WSACancelBlockingCall()	removed.	(sighandle): call WSACleanup() before exiting the process to	cancel blocking winsock calls.	* include/mywinsock.h: add proto for WSACleanup().Mon Dec 15 16:40:07 1997  Geoffrey Noer  <noer@cygnus.com>	* Makefile.in: compile .cc files with -fno-exceptions to	decrease dll size and increase execution speed a little.Mon Dec 15 16:40:07 1997  Geoffrey Noer  <noer@cygnus.com>	patch from cgf@bbc.com (Chris Faylor):	* tty.cc (do_input):  Detect CTRL-T as a special case when	STRACE_CACHE is active.  Dumps the strace cache to disk.	* console.cc (fhandler_console::read):  Detect CTRL-T as a special	case when STRACE_CACHE is active.  Dumps the strace cache to disk.Sat Dec 13 15:12:53 1997  Ian Lance Taylor  <ian@cygnus.com>        * fork.cc: Include <malloc.h>.        (cygwin_fork_helper1): Call __malloc_copy after copying the stack        and heap to the child.Thu Dec 11 15:14:40 1997  Geoffrey Noer  <noer@cygnus.com>	patch from cgf@bbc.com (Chris Faylor):	* sigproc.cc (proc_subproc): Remove over-enthusiastic test for	process handling readiness or proc_wait will loop attempting to	handle a dying subprocess when signal handlers are not ready.	* fork.cc (cygwin_fork_helper1): Reorganize to ensure that a	forked process is capable of receiving signals when fork()	returns.Wed Dec 10 15:43:37 1997  Ian Lance Taylor  <ian@cygnus.com>	* include/sys/termios.h (IXANY): Correct value.	(PARMRK): Define again.Wed Dec 10 00:05:23 1997  Geoffrey Noer  <noer@cygnus.com>	patch from cgf@bbc.com (Chris Faylor):        * dcrt0.cc (dll_crt0_1): Move start time initialization to a more	logical place (pinfo_init).        (do_exit): Reorganize to attempt to solve races when a cygwin	process occupies two windows pids (i.e., an execed process).	* exceptions.cc (lock_cs): Fix erroneous WFSO logic.	(sighandle): Use new method for determining if process was	initiated via fork.	(events_terminate): Do not close pinfo_mutex.  Allow automatic	close by ExitProcess to lengthen the time that the pinfo structure	is locked, minimizing races between an exiting child and a	potentially exiting parent.	* hinfo.cc (hmap_init): Use new method for determining if process	was initiated via fork.	(hinfo_vec::de_linearize_fd_array): Fix a typo in a comment.	* pinfo.cc (clearout): Remove this function.  Handled in	allocate_pid.	(pinfo_init): Move start_time setting here from dll_crt0_1.	Remove call to init_self in favor of adding three additional lines	of code.	(pinfo_list::operator []): Implement a very simple hashing	scheme for pid lookup.	(lpfu): New routine controlled by DEBUGGING conditional.  When	DEBUGGING is activated, lpfu returns more information about the	state of a timed out pinfo_mutex.	(pinfo_list::get_empty_pinfo): Remove function.  Move	functionality to allocate_pid.	(allocate_pid): Implement a (very) simple hashing scheme for	finding an available pid.  Take advantage of reorganized pinfo	structure to zero all pertinent fields with one memset.	(pinfo::record_death_nolock): Don't bothering zeroing	inconsequential stuff.	(pinfo::record_death): Leave pinfo_mutex locked with the	understanding that this function will be called just prior to	exiting the process.  This minimizes a race between a child which	is exiting at nearly the same time as its parent.	* sigproc.cc: Reformat function calls.	(sigproc_init): Clear new PID_INITIALIZING flag to indicate that	a (possibly execed) process is now capable of receiving signals.	(sig_send): Be more defensive in determining if a signal can be	sent to myself or suffer problems with execed processes.	(sigproc_terminate): Wait for sig_proc to exit to ensure that	all pending signals have been handled.  Use new 'proc_terminate'	function to terminate the subprocess handling thread.	(allow_sig_dispatch): Don't bother blocking signals if signal	handling isn't active in this process yet.	(block_sig_dispatch): Don't bother blocking signals if signal	handling isn't active in this process yet.	(sig_proc): Use sig_loop_wait variable to control wait time for	signal semaphores.  Uncouples this wait from wait_subproc.	Perform signal cleanup here on thread termination.	(proc_exists): More accurate tests to determine if a process	really exists.	(proc_register): Remove this function in favor of a macro.	(proc_subproc): More stringent test for being "ready" to process	subprocesses.  Add more common initialization to PROC_ADDCHILD.	Remove PROC_EXIT in favor of a separate function.	(proc_terminate): New function.  Replaces PROC_EXIT functionality	in proc_subproc.  Terminates subproc handler thread.	(stopped_or_terminated): use lock_pinfo_for_update when modifying	child stopsig status or suffer a race.	(wait_subproc): Save sig_proc thread handle away for	synchronization when exiting.  Set up 'i_am_alive' mutex inherited	by childen.  Child's inability to lock this mutex means that the	parent is still alive and processing children.  Use proc_loop_wait	to control WFMO.  Clean up events queue on thread exit.	(zap_subproc): Clear out pinfo structure for a child.	* sigproc.h: Remove PROC_EXIT constant.  Remove obsolete	proc_register declaration.	(alive_parent): New macro to determine if a parent is still alive.	* spawn.cc (spawn_guts):  Fix a comment typo.  Use proc_terminate	to terminate all subprocess handling prior to an exec.  Use new	method for determining if this process was started via a fork.	Attempt to clean up races between execed process, its parent, and	the execed child.	* winsup.h (pinfo): Add a new handle indicating that a parent is	alive.  This should be a foolproof way of determining if a parent	has gone away so that a child will know whether to remove itself	from the pinfo table.	Reorganize the structure in such a way that items to be zeroed	are grouped together at the beginning for more efficient zeroing	in allocate_pid.	Add a new PID_* constant.	New lock_pinfo_for_update macro for use when debugging cygwin.Wed Dec 10 00:05:23 1997  Geoffrey Noer  <noer@cygnus.com>	patch from sos@prospect.com.ru (Sergey Okhapkin):	Change the way to inherit fd table on spawn/exec calls.	Use STARTUPINFO structure to pass an fd table to a child process	instead of shared memory area.  This is undocumented, but is used	by MSVC runtime.  The desktop inheritance code added again,	otherwise user32.dll will fail to initialize after sexec calls.	* pinfo.cc (pinfo_init): delinearize fd array from STARTUPINFO	structure instead of call to copy_shared_fd_table.	* shared.cc (create_shared_fd_mapping_name): remove	(create/copy_shared_fd_table): remove	* spawn.cc (spawn_guts): use lp(cb)Reserved2 fields of STARTUPINFO	to pass fd table to a child.  Remove call to	create_shared_fd_table.  Inherit window station/desktop on sexec	calls.	* winsup.h: remove prototypes for create/copy_shared_fd_table.Fri Dec  5 18:57:42 1997  Geoffrey Noer  <noer@cygnus.com>	patch from cgf@bbc.com (Chris Faylor):	* kill.cc (main):  Report error if kill() fails.  Minor reformat.        * ps.cc (main):  Only use month/day in start time when starting        time is > 24 hours in the past, not when it occurs yesterday.Fri Dec  5 15:54:41 1997  Geoffrey Noer  <noer@cygnus.com>	* fcntl.cc (_fcntl): reformat	* fhandler.cc (fhandler_tty::open): new, need special open for	ttys.  In addition to calling fhandler_base::open, check	flags to handle blocking vs. non-blocking I/O.  Should	initialize tty to standard state (9600 bits/sec - 8 - 1 with	no flow control) but this code needs more work still.  Ifdef	out for now.	(fhandler_tty::tcsendbreak): new	(fhandler_tty::tcdrain): new	(fhandler_tty::tcflow): new	(fhandler_tty::tcsetattr): add support for action arg.  Use	a DCB struct to hold the values we will set.  First call	GetCommState to get the current state, then reassign values	based on the contents of the termios struct.  Handle the	case where t->c_ospeed is set to B0, otherwise set state.BaudRate.        Set all the other DCB struct values appropriately, based on        the contents of the termios struct.	(fhandler_tty::tcgetattr): do the inverse of tcsetattr.        Call GetCommState to get the current state and use this to set        the appropriate termios struct values.	* termios.cc: reformat	(tcsendbreak): implement -- add duration arg,	call fhandler tcsendbreak as appropriate	(tcdrain): implement -- call fhandler tcdrain as appropriate	(tcflow): implement -- call fhandler tcflow as appropriate	* fhandler.h: add new tc* protos	* include/sys/termios.h: correct values of iflag bits,	define CRTSXOFF and CRTSCTS, CBAUD, B57600 and B115200.	Add protos for tc* functions.Wed Nov 26 17:06:17 1997  Geoffrey Noer  <noer@cygnus.com>	patch from sos@prospect.com.ru (Sergey Okhapkin):	* spawn.cc (perhaps_suffix): resolve symlinks to .exes.Mon Nov 24 17:10:49 1997  Geoffrey Noer  <noer@cygnus.com>	* cygwin.din: remove crypt	* syscalls.cc (crypt): remove crypt stubSun Nov 23 17:34:42 1997  Geoffrey Noer  <noer@cygnus.com>	patch from sos@prospect.com.ru (Sergey Okhapkin):