2 * Copyright (c) 1999 Daniel Eischen <eischen@vigrid.com>.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by John Birrell.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #include <sys/param.h>
35 #include <sys/types.h>
36 #include <sys/signalvar.h>
40 #include "thr_private.h"
42 __weak_reference(_sigpending, sigpending);
45 _sigpending(sigset_t *set)
47 struct pthread *curthread = _get_curthread();
52 /* Check for a null signal set pointer: */
54 /* Return an invalid argument: */
58 if (curthread->attr.flags & PTHREAD_SCOPE_SYSTEM)
59 return (__sys_sigpending(set));
61 crit = _kse_critical_enter();
62 KSE_SCHED_LOCK(curthread->kse, curthread->kseg);
63 sigset = curthread->sigpend;
64 KSE_SCHED_UNLOCK(curthread->kse, curthread->kseg);
65 KSE_LOCK_ACQUIRE(curthread->kse, &_thread_signal_lock);
66 SIGSETOR(sigset, _thr_proc_sigpending);
67 KSE_LOCK_RELEASE(curthread->kse, &_thread_signal_lock);
68 _kse_critical_leave(crit);
71 /* Return the completion status: */