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e7608d7789
2003-04-21 Ulrich Drepper <drepper@redhat.com> * sysdeps/unix/sysv/linux/sigprocmask.c: Prevent changing mask for SIGCANCEL. * sysdeps/unix/sysv/linux/alpha/bits/siginfo.h: Define SI_TKILL. * sysdeps/unix/sysv/linux/bits/siginfo.h: Define SI_TKILL. * sysdeps/unix/sysv/linux/ia64/bits/siginfo.h: Define SI_TKILL. * sysdeps/unix/sysv/linux/s390/bits/siginfo.h: Define SI_TKILL. * sysdeps/unix/sysv/linux/sparc/bits/siginfo.h: Define SI_TKILL. first syscall parameter to const char*.
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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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 <pthreadP.h>
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#include <sysdep.h>
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int
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pthread_sigmask (how, newmask, oldmask)
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int how;
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const sigset_t *newmask;
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sigset_t *oldmask;
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{
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sigset_t local_newmask;
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/* The only thing we have to make sure here is that SIGCANCEL is not
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blocked. */
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if (newmask != NULL
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&& __builtin_expect (__sigismember (newmask, SIGCANCEL), 0))
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{
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local_newmask = *newmask;
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__sigdelset (&local_newmask, SIGCANCEL);
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newmask = &local_newmask;
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}
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#ifdef INTERNAL_SYSCALL
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/* We know that realtime signals are available if NPTL is used. */
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INTERNAL_SYSCALL_DECL (err);
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int result = INTERNAL_SYSCALL (rt_sigprocmask, err, 4, how, newmask,
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oldmask, _NSIG / 8);
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return (INTERNAL_SYSCALL_ERROR_P (result, err)
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? INTERNAL_SYSCALL_ERRNO (result, err)
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: 0);
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#else
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return sigprocmask (how, newmask, oldmask) == -1 ? errno : 0;
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#endif
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}
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