thr_kill.c revision 285830
1272343Sngie/* 2272343Sngie * Copyright (c) 1997 John Birrell <jb@cimlogic.com.au>. 3272343Sngie * All rights reserved. 4272343Sngie * 5272343Sngie * Redistribution and use in source and binary forms, with or without 6272343Sngie * modification, are permitted provided that the following conditions 7272343Sngie * are met: 8272343Sngie * 1. Redistributions of source code must retain the above copyright 9272343Sngie * notice, this list of conditions and the following disclaimer. 10272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 11272343Sngie * notice, this list of conditions and the following disclaimer in the 12272343Sngie * documentation and/or other materials provided with the distribution. 13272343Sngie * 3. Neither the name of the author nor the names of any co-contributors 14272343Sngie * may be used to endorse or promote products derived from this software 15272343Sngie * without specific prior written permission. 16272343Sngie * 17272343Sngie * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 18272343Sngie * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19272343Sngie * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20272343Sngie * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21272343Sngie * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22272343Sngie * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23272343Sngie * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24272343Sngie * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25272343Sngie * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26272343Sngie * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27272343Sngie * SUCH DAMAGE. 28272343Sngie * 29272343Sngie * $FreeBSD: releng/10.2/lib/libkse/thread/thr_kill.c 174689 2007-12-16 23:29:57Z deischen $ 30272343Sngie */ 31272343Sngie 32272343Sngie#include "namespace.h" 33272343Sngie#include <errno.h> 34272343Sngie#include <signal.h> 35272343Sngie#include <pthread.h> 36272343Sngie#include "un-namespace.h" 37272343Sngie#include "thr_private.h" 38272343Sngie 39276478Sngie__weak_reference(_pthread_kill, pthread_kill); 40276478Sngie 41276478Sngieint 42276478Sngie_pthread_kill(pthread_t pthread, int sig) 43272343Sngie{ 44272343Sngie struct pthread *curthread = _get_curthread(); 45272343Sngie int ret; 46272343Sngie 47272343Sngie /* Check for invalid signal numbers: */ 48272343Sngie if (sig < 0 || sig > _SIG_MAXSIG) 49272343Sngie /* Invalid signal: */ 50272343Sngie ret = EINVAL; 51272343Sngie /* 52272343Sngie * Ensure the thread is in the list of active threads, and the 53272343Sngie * signal is valid (signal 0 specifies error checking only) and 54272343Sngie * not being ignored: 55272343Sngie */ 56272343Sngie else if ((ret = _thr_ref_add(curthread, pthread, /*include dead*/0)) 57272343Sngie == 0) { 58272343Sngie if ((sig > 0) && 59272343Sngie (_thread_sigact[sig - 1].sa_handler != SIG_IGN)) 60272343Sngie _thr_sig_send(pthread, sig); 61272343Sngie _thr_ref_delete(curthread, pthread); 62272343Sngie } 63272343Sngie 64272343Sngie /* Return the completion status: */ 65272343Sngie return (ret); 66272343Sngie} 67272343Sngie