144963Sjb/* 244963Sjb * Copyright (c) 1999 Daniel Eischen <eischen@vigrid.com>. 344963Sjb * All rights reserved. 444963Sjb * 544963Sjb * Redistribution and use in source and binary forms, with or without 644963Sjb * modification, are permitted provided that the following conditions 744963Sjb * are met: 844963Sjb * 1. Redistributions of source code must retain the above copyright 944963Sjb * notice, this list of conditions and the following disclaimer. 1044963Sjb * 2. Redistributions in binary form must reproduce the above copyright 1144963Sjb * notice, this list of conditions and the following disclaimer in the 1244963Sjb * documentation and/or other materials provided with the distribution. 1344963Sjb * 3. All advertising materials mentioning features or use of this software 1444963Sjb * must display the following acknowledgement: 1544963Sjb * This product includes software developed by John Birrell. 1644963Sjb * 4. Neither the name of the author nor the names of any co-contributors 1744963Sjb * may be used to endorse or promote products derived from this software 1844963Sjb * without specific prior written permission. 1944963Sjb * 2044963Sjb * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND 2144963Sjb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2244963Sjb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2349439Sdeischen * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2444963Sjb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2544963Sjb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2644963Sjb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2744963Sjb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2844963Sjb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2944963Sjb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3044963Sjb * SUCH DAMAGE. 3144963Sjb * 3250476Speter * $FreeBSD$ 3344963Sjb */ 34174112Sdeischen 35174112Sdeischen#include "namespace.h" 3698976Sdeischen#include <sys/param.h> 3798976Sdeischen#include <sys/types.h> 3898976Sdeischen#include <sys/signalvar.h> 3944963Sjb#include <signal.h> 4044963Sjb#include <errno.h> 4144963Sjb#include <pthread.h> 42174112Sdeischen#include "un-namespace.h" 43103388Smini#include "thr_private.h" 4444963Sjb 45174112Sdeischenint _sigpending(sigset_t *set); 46174112Sdeischen 4775369Sdeischen__weak_reference(_sigpending, sigpending); 4871581Sdeischen 4944963Sjbint 5098976Sdeischen_sigpending(sigset_t *set) 5144963Sjb{ 5298976Sdeischen struct pthread *curthread = _get_curthread(); 53113658Sdeischen kse_critical_t crit; 54117300Sdavidxu sigset_t sigset; 5544963Sjb int ret = 0; 5644963Sjb 5744963Sjb /* Check for a null signal set pointer: */ 5844963Sjb if (set == NULL) { 5944963Sjb /* Return an invalid argument: */ 6044963Sjb ret = EINVAL; 6144963Sjb } 6244963Sjb else { 63119063Sdavidxu if (curthread->attr.flags & PTHREAD_SCOPE_SYSTEM) 64117706Sdavidxu return (__sys_sigpending(set)); 65116977Sdavidxu 66116977Sdavidxu crit = _kse_critical_enter(); 67116977Sdavidxu KSE_SCHED_LOCK(curthread->kse, curthread->kseg); 68117300Sdavidxu sigset = curthread->sigpend; 69116977Sdavidxu KSE_SCHED_UNLOCK(curthread->kse, curthread->kseg); 70113658Sdeischen KSE_LOCK_ACQUIRE(curthread->kse, &_thread_signal_lock); 71117300Sdavidxu SIGSETOR(sigset, _thr_proc_sigpending); 72113658Sdeischen KSE_LOCK_RELEASE(curthread->kse, &_thread_signal_lock); 73113658Sdeischen _kse_critical_leave(crit); 74117300Sdavidxu *set = sigset; 7544963Sjb } 7644963Sjb /* Return the completion status: */ 7744963Sjb return (ret); 7844963Sjb} 79