mirror of git://sourceware.org/git/glibc.git
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/* Copyright (C) 2002 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <errno.h>
|
|
#include <signal.h>
|
|
#include <pthreadP.h>
|
|
#include <sysdep.h>
|
|
|
|
|
|
int
|
|
pthread_sigmask (how, newmask, oldmask)
|
|
int how;
|
|
const sigset_t *newmask;
|
|
sigset_t *oldmask;
|
|
{
|
|
sigset_t local_newmask;
|
|
|
|
/* The only thing we have to make sure here is that SIGCANCEL is not
|
|
blocked. */
|
|
if (newmask != NULL
|
|
&& (how == SIG_SETMASK || how == SIG_BLOCK)
|
|
&& sigismember (newmask, SIGCANCEL))
|
|
{
|
|
local_newmask = *newmask;
|
|
sigdelset (&local_newmask, SIGCANCEL);
|
|
newmask = &local_newmask;
|
|
}
|
|
|
|
#ifdef INTERNAL_SYSCALL
|
|
int result = INTERNAL_SYSCALL (sigprocmask, 3, how, newmask, oldmask);
|
|
|
|
return (INTERNAL_SYSCALL_ERROR_P (result)
|
|
? INTERNAL_SYSCALL_ERRNO (result)
|
|
: 0);
|
|
#else
|
|
return sigprocmask (how, newmask, oldmask) == -1 : errno : 0;
|
|
#endif
|
|
}
|