mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 23:10:06 +00:00
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.
|
|
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>
|
|
#define __need_NULL
|
|
#include <stddef.h>
|
|
#include <signal.h>
|
|
|
|
|
|
/* Set the disposition for SIG. */
|
|
__sighandler_t
|
|
sigset (sig, disp)
|
|
int sig;
|
|
__sighandler_t disp;
|
|
{
|
|
struct sigaction act, oact;
|
|
|
|
#ifdef SIG_HOLD
|
|
/* Handle SIG_HOLD first. */
|
|
if (disp == SIG_HOLD)
|
|
{
|
|
sigset_t set;
|
|
|
|
/* Retrieve current signal set. */
|
|
if (__sigprocmask (SIG_SETMASK, NULL, &set) < 0)
|
|
return SIG_ERR;
|
|
|
|
/* Add the specified signal. */
|
|
if (sigaddset (&set, sig) < 0)
|
|
return SIG_ERR;
|
|
|
|
/* Set the new mask. */
|
|
if (__sigprocmask (SIG_SETMASK, &set, NULL) < 0)
|
|
return SIG_ERR;
|
|
|
|
return SIG_HOLD;
|
|
}
|
|
#endif /* SIG_HOLD */
|
|
|
|
/* Check signal extents to protect __sigismember. */
|
|
if (disp == SIG_ERR || sig < 1 || sig >= NSIG)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return SIG_ERR;
|
|
}
|
|
|
|
act.sa_handler = disp;
|
|
if (__sigemptyset (&act.sa_mask) < 0)
|
|
return SIG_ERR;
|
|
act.sa_flags = 0;
|
|
if (__sigaction (sig, &act, &oact) < 0)
|
|
return SIG_ERR;
|
|
|
|
return oact.sa_handler;
|
|
}
|