37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
/* Examine and change blocked signals for a thread. Generic POSIX version.
|
|
Copyright (C) 2014-2015 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 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 <errno.h>
|
|
#include <signal.h>
|
|
#include <pthreadP.h>
|
|
|
|
#if defined SIGCANCEL || defined SIGTIMER || defined SIGSETXID
|
|
# error "This implementation assumes no internal-only signal numbers."
|
|
#endif
|
|
|
|
int
|
|
pthread_sigmask (int how, const sigset_t *newmask, sigset_t *oldmask)
|
|
{
|
|
/* Here we assume that sigprocmask actually does everything right.
|
|
The only difference is the return value protocol. */
|
|
int result = sigprocmask (how, newmask, oldmask);
|
|
if (result < 0)
|
|
result = errno;
|
|
return result;
|
|
}
|