glibc/sysdeps/mach/hurd/sigsuspend.c
Ulrich Drepper a9ddb79305 Update.
1998-07-20 17:09  Ulrich Drepper  <drepper@cygnus.com>

	* shlib-versions: Remove definition for libSegFault.

	* memory.texi: Comment out the relocating allocator description.
	* manual/signal.texi: Remove reference to relocating allocator.
	* manual/top-menu.texi: Regenerated.

	* posix/fnmatch.c: Implement [: :] and change to recognize
	^ as negation only when not _POSIXLY_CORRECT.

	* sysdeps/generic/glob.c: Add several optimizations.

	* posix/glob.h: Undefine __PMT to prevent warnings.
	Reported by Roland McGrath.

	* posix/regex.c: Define namespace macros only for _LIBC.

	* sysdeps/arm/dl-machine.h: Fix typo.

	* sysdeps/unix/sysv/sysv4/solaris2/sigpending.c: New file.
	* sysdeps/unix/sysv/sysv4/solaris2/sigstack.c: New file.
	* sysdeps/unix/sysv/sysv4/solaris2/sigwaitinfo.c: New file.
	* sysdeps/unix/sysv/sysv4/solaris2/syscalls.list: Add sigaltstack,
	sigpending, sigqueue, and sigtimedwait.
	* sysdeps/unix/sysv/sysv4/solaris2/sparc/sparc32/syscall.S: New file.

	* timezone/leapseconds: Update from tzdata1998f.

1998-07-18  Mark Kettenis  <kettenis@phys.uva.nl>

	* stdio/stdio.h [__USE_GNU]: Add prototype for fputs_unlocked.
	* stdio/Versions [GLIBC_2.1]: Add fputs_unlocked.
	* libio/stdio.h: Fix typo.

1998-07-19  Roland McGrath  <roland@baalperazim.frob.com>

	* sysdeps/mach/hurd/dl-sysdep.c (_dl_sysdep_start): #if 0 out the
	magic memobj port arg parsing stuff.  Fix it someday when we are ready
	to really use it.
	(_dl_sysdep_output): New function, modified from _dl_sysdep_error.
	(_dl_sysdep_error, _dl_sysdep_message, _dl_sysdep_fatal): Removed.

1998-07-19  Roland McGrath  <roland@baalperazim.frob.com>

	* stdio/fputs.c: Add fputs_unlocked as weak alias for fputs.

1998-07-19  Roland McGrath  <roland@baalperazim.frob.com>

	* sysdeps/posix/sigsuspend.c: Define __sigsuspend with sigsuspend as
	a weak alias.
	* sysdeps/mach/hurd/sigsuspend.c: Likewise.
	* sysdeps/generic/sigsuspend.c: Likewise.

1998-07-19  Roland McGrath  <roland@baalperazim.frob.com>

	* sysdeps/mach/hurd/i386/sigcontextinfo.h: New file.

1998-07-19  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makerules (map-file): Don't use $(wildcard) to find the
	generated version script, instead look in $(version-maps).
	($(common-objpfx)libc.so): Only depend on libc.map if versioning
	is used.
	* extra-lib.mk ($(objpfx)$(lib).so): Only depend on version script
	if versioning is used.  Don't use $(wildcard) to find the
	generated version script, instead look in $(verson-maps).

1998-07-17  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/generic/segfault.c: Rename GET_EIP to GET_PC.  Remove
	unused function handle.
	* sysdeps/generic/sigcontextinfo.h: Rename GET_EIP to GET_PC.
	* sysdeps/unix/sysv/linux/i386/sigcontextinfo.h: Likewise.
	* debug/catchsegv.sh: Fix argument processing, quoting and various
	typos.  Put the crash info always in the current directory.  Find
	program in $PATH if it contains no directory component.
	* Makerules (install-lib.so-versioned,
	install-lib.so-unversioned): New variables.
	(install-lib-nosubdir): Depend on unversioned libs in
	slibdir, not libdir.

1998-07-19  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Make-dist (+tsrcs): Remove references to %-map variables and
	*.map files.  Add Versions in subdirs.
	* Makerules (distinfo-vars): Don't write out %-map variables.

1998-07-20 13:55  Ulrich Drepper  <drepper@cygnus.com>

	* inet/protocols/rwhod.h: Remove definition of _PATH_RWHODIR.
	Include <paths.h> instead.
	* sysdeps/generic/paths.h: Define _PATH_RWHODIR.
	* sysdeps/unix/sysv/linux/paths.h: Likewise.
	Reported by Dale Scheetz <dwarf@polaris.net>.

1998-07-17 21:44  Ulrich Drepper  <drepper@cygnus.com>

	* catgets/open_catalog.c: Strictly check whether catalog file is
	larger enough for the data.  Reported by Andries.Brouwer@cwi.nl.
1998-07-20 17:25:48 +00:00

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2.7 KiB
C

/* Copyright (C) 1991,92,93,94,95,96,97,98 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <hurd.h>
#include <hurd/signal.h>
#include <hurd/msg.h>
/* Change the set of blocked signals to SET,
wait until a signal arrives, and restore the set of blocked signals. */
int
__sigsuspend (set)
const sigset_t *set;
{
struct hurd_sigstate *ss;
sigset_t newmask, oldmask, pending;
mach_port_t wait;
mach_msg_header_t msg;
if (set != NULL)
/* Crash before locking. */
newmask = *set;
/* Get a fresh port we will wait on. */
wait = __mach_reply_port ();
ss = _hurd_self_sigstate ();
__spin_lock (&ss->lock);
oldmask = ss->blocked;
if (set != NULL)
/* Change to the new blocked signal mask. */
ss->blocked = newmask & ~_SIG_CANT_MASK;
/* Notice if any pending signals just became unblocked. */
pending = ss->pending & ~ss->blocked;
/* Tell the signal thread to message us when a signal arrives. */
ss->suspended = wait;
__spin_unlock (&ss->lock);
if (pending)
/* Tell the signal thread to check for pending signals. */
__msg_sig_post (_hurd_msgport, 0, 0, __mach_task_self ());
/* Wait for the signal thread's message. */
__mach_msg (&msg, MACH_RCV_MSG, 0, sizeof (msg), wait,
MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);
__mach_port_destroy (__mach_task_self (), wait);
__spin_lock (&ss->lock);
ss->blocked = oldmask; /* Restore the old mask. */
pending = ss->pending & ~ss->blocked; /* Again check for pending signals. */
__spin_unlock (&ss->lock);
if (pending)
/* Tell the signal thread to check for pending signals. */
__msg_sig_post (_hurd_msgport, 0, 0, __mach_task_self ());
/* We've been interrupted! And a good thing, too.
Otherwise we'd never return.
That's right; this function always returns an error. */
errno = EINTR;
return -1;
}
weak_alias (__sigsuspend, sigsuspend)