mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 23:10:06 +00:00
54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/* Copyright (C) 2002-2017 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/>. */
|
|
|
|
#include <signal.h>
|
|
#include <sysdep.h>
|
|
#include <errno.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#include <nptl-signals.h>
|
|
|
|
int
|
|
raise (int sig)
|
|
{
|
|
/* rt_sigprocmask may fail if:
|
|
|
|
1. sigsetsize != sizeof (sigset_t) (EINVAL)
|
|
2. a failure in copy from/to user space (EFAULT)
|
|
3. an invalid 'how' operation (EINVAL)
|
|
|
|
The first case is already handle in glibc syscall call by using the arch
|
|
defined _NSIG. Second case is handled by using a stack allocated mask.
|
|
The last one should be handled by the block/unblock functions. */
|
|
|
|
sigset_t set;
|
|
__libc_signal_block_app (&set);
|
|
|
|
INTERNAL_SYSCALL_DECL (err);
|
|
pid_t pid = INTERNAL_SYSCALL (getpid, err, 0);
|
|
pid_t tid = INTERNAL_SYSCALL (gettid, err, 0);
|
|
|
|
int ret = INLINE_SYSCALL (tgkill, 3, pid, tid, sig);
|
|
|
|
__libc_signal_restore_set (&set);
|
|
|
|
return ret;
|
|
}
|
|
libc_hidden_def (raise)
|
|
weak_alias (raise, gsignal)
|