9d141cae00
1998-08-13 19:41 Ulrich Drepper <drepper@cygnus.com> * posix/getconf.c: Add support for systems with incomplete confname.h. * sysdeps/posix/sigset.c: Allow SIG_HOLD being undefined. * sysdeps/posix/wait3.c: Make it work. 1998-08-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> * Makefile ($(inst_slibdir)/libc-$(version).so): Remove. (elf/ldso_install): Remove. * elf/Makefile (distribute): Add sln.c. (others): Add sln. (others-static): Add sln. (install-rootsbin): Add sln. (others-static): Add sln. (ldso_install): Remove. 1998-07-24 10:58 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makerules (install-clean-symbolic-link-list): Make phony. * Makefile (install-symbolic-link): Make phony. Depend on subdir_install for parallel makes. 1998-07-22 Ulrich Drepper <drepper@cygnus.com> * elf/Makefile (distribute): Add sln.c 1998-07-21 07:10 H.J. Lu <hjl@gnu.org> * elf/sln.c: New file. * Makerules (symbolic-link-prog, symbolic-link-list): New macros. (install-clean-symbolic-link-list): New target. (install): Depend on install-clean-symbolic-link-list. (make-shlib-link): Changed for $(symbolic-link-list). * Makefile (install-symbolic-link): New target. (install): Depend on install-symbolic-link.
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/* Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#define __need_NULL
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#include <stddef.h>
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#include <signal.h>
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/* Set the disposition for SIG. */
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__sighandler_t
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sigset (sig, disp)
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int sig;
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__sighandler_t disp;
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{
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struct sigaction act, oact;
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#ifdef SIG_HOLD
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/* Handle SIG_HOLD first. */
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if (disp == SIG_HOLD)
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{
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sigset_t set;
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/* Retrieve current signal set. */
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if (__sigprocmask (SIG_SETMASK, NULL, &set) < 0)
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return SIG_ERR;
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/* Add the specified signal. */
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if (sigaddset (&set, sig) < 0)
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return SIG_ERR;
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/* Set the new mask. */
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if (__sigprocmask (SIG_SETMASK, &set, NULL) < 0)
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return SIG_ERR;
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return SIG_HOLD;
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}
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#endif /* SIG_HOLD */
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/* Check signal extents to protect __sigismember. */
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if (disp == SIG_ERR || sig < 1 || sig >= NSIG)
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{
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__set_errno (EINVAL);
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return SIG_ERR;
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}
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act.sa_handler = disp;
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if (__sigemptyset (&act.sa_mask) < 0)
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return SIG_ERR;
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act.sa_flags = 0;
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if (__sigaction (sig, &act, &oact) < 0)
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return SIG_ERR;
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return oact.sa_handler;
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}
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