glibc/sysdeps/mach/hurd/sigpending.c

46 lines
1.2 KiB
C

/* Copyright (C) 1991-2017 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 <stddef.h>
#include <hurd.h>
#include <hurd/signal.h>
/* Store in SET all signals that are blocked and pending. */
/* XXX should be __sigpending ? */
int
sigpending (sigset_t *set)
{
struct hurd_sigstate *ss;
sigset_t pending;
if (set == NULL)
{
errno = EINVAL;
return -1;
}
ss = _hurd_self_sigstate ();
__spin_lock (&ss->lock);
pending = ss->pending;
__spin_unlock (&ss->lock);
*set = pending;
return 0;
}