glibc/nptl/sigaction.c

44 lines
1.5 KiB
C

/* Copyright (C) 2002-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* This is no complete implementation. The file is meant to be
included in the real implementation to provide the wrapper around
__libc_sigaction. */
#include <nptl/pthreadP.h>
/* We use the libc implementation but we tell it to not allow
SIGCANCEL or SIGTIMER to be handled. */
#define LIBC_SIGACTION 1
int
__sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
{
if (__glibc_unlikely (sig == SIGCANCEL || sig == SIGSETXID))
{
__set_errno (EINVAL);
return -1;
}
return __libc_sigaction (sig, act, oact);
}
libc_hidden_weak (__sigaction)
weak_alias (__sigaction, sigaction)