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/* 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 <signal.h>
#include <pthreadP.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;
}
return sigprocmask (how, newmask, oldmask);
}
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