1214501Srpaulo/* 2214501Srpaulo * Copyright (c) 1997 John Birrell <jb@cimlogic.com.au>. 3214501Srpaulo * All rights reserved. 4214501Srpaulo * 5214501Srpaulo * Redistribution and use in source and binary forms, with or without 6252190Srpaulo * modification, are permitted provided that the following conditions 7252190Srpaulo * are met: 8214501Srpaulo * 1. Redistributions of source code must retain the above copyright 9214501Srpaulo * notice, this list of conditions and the following disclaimer. 10214501Srpaulo * 2. Redistributions in binary form must reproduce the above copyright 11214501Srpaulo * notice, this list of conditions and the following disclaimer in the 12214501Srpaulo * documentation and/or other materials provided with the distribution. 13214501Srpaulo * 3. Neither the name of the author nor the names of any co-contributors 14214501Srpaulo * may be used to endorse or promote products derived from this software 15214501Srpaulo * without specific prior written permission. 16214501Srpaulo * 17214501Srpaulo * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 18252190Srpaulo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19214501Srpaulo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20214501Srpaulo * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21252190Srpaulo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22252190Srpaulo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23252190Srpaulo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24252190Srpaulo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25214501Srpaulo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26252190Srpaulo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27214501Srpaulo * SUCH DAMAGE. 28214501Srpaulo * 29214501Srpaulo * $FreeBSD$ 30252190Srpaulo */ 31252190Srpaulo 32252190Srpaulo#include "namespace.h" 33252190Srpaulo#include <errno.h> 34214501Srpaulo#include <signal.h> 35252190Srpaulo#include <pthread.h> 36252190Srpaulo#include "un-namespace.h" 37252190Srpaulo#include "thr_private.h" 38214501Srpaulo 39252190Srpaulo__weak_reference(_pthread_kill, pthread_kill); 40252190Srpaulo 41252190Srpauloint 42252190Srpaulo_pthread_kill(pthread_t pthread, int sig) 43252190Srpaulo{ 44252190Srpaulo struct pthread *curthread = _get_curthread(); 45252190Srpaulo int ret; 46252190Srpaulo 47252190Srpaulo /* Check for invalid signal numbers: */ 48252190Srpaulo if (sig < 0 || sig > _SIG_MAXSIG) 49252190Srpaulo /* Invalid signal: */ 50252190Srpaulo ret = EINVAL; 51252190Srpaulo /* 52252190Srpaulo * Ensure the thread is in the list of active threads, and the 53214501Srpaulo * signal is valid (signal 0 specifies error checking only) and 54252190Srpaulo * not being ignored: 55252190Srpaulo */ 56252190Srpaulo else if ((ret = _thr_ref_add(curthread, pthread, /*include dead*/0)) 57214501Srpaulo == 0) { 58252190Srpaulo if ((sig > 0) && 59214501Srpaulo (_thread_sigact[sig - 1].sa_handler != SIG_IGN)) 60214501Srpaulo _thr_sig_send(pthread, sig); 61252190Srpaulo _thr_ref_delete(curthread, pthread); 62214501Srpaulo } 63214501Srpaulo 64214501Srpaulo /* Return the completion status: */ 65214501Srpaulo return (ret); 66214501Srpaulo} 67214501Srpaulo