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58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/* Copyright (C) 1996,1997,1998,1999,2000,2002 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <signal.h>
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#include <unistd.h>
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#include <sysdep.h>
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#include <sys/syscall.h>
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#include <bp-checks.h>
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#include <nptl/pthreadP.h>
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#include <tls.h>
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extern int __syscall_rt_sigsuspend (const sigset_t *__unbounded, size_t);
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/* Change the set of blocked signals to SET,
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wait until a signal arrives, and restore the set of blocked signals. */
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int
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__sigsuspend (set)
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const sigset_t *set;
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{
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#ifndef NOT_IN_libc
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if (__builtin_expect (THREAD_GETMEM (THREAD_SELF,
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header.data.multiple_threads) == 0, 1))
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return INLINE_SYSCALL (rt_sigsuspend, 2, CHECK_SIGSET (set), _NSIG / 8);
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int oldtype = LIBC_CANCEL_ASYNC ();
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#endif
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int result = INLINE_SYSCALL (rt_sigsuspend, 2, CHECK_SIGSET (set),
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_NSIG / 8);
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#ifndef NOT_IN_libc
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LIBC_CANCEL_RESET (oldtype);
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#endif
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return result;
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}
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libc_hidden_def (__sigsuspend)
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weak_alias (__sigsuspend, sigsuspend)
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strong_alias (__sigsuspend, __libc_sigsuspend)
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