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/* sigprocmask.c - Generic sigprocmask implementation.
Copyright (C) 2008 Free Software Foundation, Inc.
Written by Neal H. Walfield <neal@gnu.org>.
This file is part of the GNU Hurd.
The GNU Hurd 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 3 of
the License, or (at your option) any later version.
The GNU Hurd 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 this program. If not, see
<http://www.gnu.org/licenses/>. */
#include <pt-internal.h>
#include <sig-internal.h>
int
sigprocmask (int how, const sigset_t *restrict set, sigset_t *restrict old)
{
struct __pthread *thread = _pthread_self ();
if (! thread)
/* Library is initializing. */
{
assert (__pthread_num_threads == 1);
/* We should get the default mask from the startup data structure. */
if (old)
*old = 0;
return 0;
}
return pthread_sigmask (how, set, old);
}
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