1144518Sdavidxu/* 2144518Sdavidxu * Copyright (c) 1997 John Birrell <jb@cimlogic.com.au>. 3144518Sdavidxu * All rights reserved. 4144518Sdavidxu * 5144518Sdavidxu * Redistribution and use in source and binary forms, with or without 6144518Sdavidxu * modification, are permitted provided that the following conditions 7144518Sdavidxu * are met: 8144518Sdavidxu * 1. Redistributions of source code must retain the above copyright 9144518Sdavidxu * notice, this list of conditions and the following disclaimer. 10144518Sdavidxu * 2. Redistributions in binary form must reproduce the above copyright 11144518Sdavidxu * notice, this list of conditions and the following disclaimer in the 12144518Sdavidxu * documentation and/or other materials provided with the distribution. 13165967Simp * 3. Neither the name of the author nor the names of any co-contributors 14144518Sdavidxu * may be used to endorse or promote products derived from this software 15144518Sdavidxu * without specific prior written permission. 16144518Sdavidxu * 17144518Sdavidxu * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 18144518Sdavidxu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19144518Sdavidxu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20144518Sdavidxu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21144518Sdavidxu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22144518Sdavidxu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23144518Sdavidxu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24144518Sdavidxu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25144518Sdavidxu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26144518Sdavidxu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27144518Sdavidxu * SUCH DAMAGE. 28144518Sdavidxu * 29144518Sdavidxu * $FreeBSD$ 30144518Sdavidxu */ 31144518Sdavidxu 32157457Sdavidxu#include "namespace.h" 33144518Sdavidxu#include <errno.h> 34144518Sdavidxu#include <signal.h> 35144518Sdavidxu#include <pthread.h> 36157457Sdavidxu#include "un-namespace.h" 37144518Sdavidxu 38144518Sdavidxu#include "thr_private.h" 39144518Sdavidxu 40144518Sdavidxu__weak_reference(_pthread_kill, pthread_kill); 41144518Sdavidxu 42144518Sdavidxuint 43144518Sdavidxu_pthread_kill(pthread_t pthread, int sig) 44144518Sdavidxu{ 45261636Skib struct pthread *curthread; 46144518Sdavidxu int ret; 47144518Sdavidxu 48144518Sdavidxu /* Check for invalid signal numbers: */ 49144518Sdavidxu if (sig < 0 || sig > _SIG_MAXSIG) 50144518Sdavidxu /* Invalid signal: */ 51261636Skib return (EINVAL); 52261636Skib 53261636Skib curthread = _get_curthread(); 54261636Skib 55144518Sdavidxu /* 56144518Sdavidxu * Ensure the thread is in the list of active threads, and the 57144518Sdavidxu * signal is valid (signal 0 specifies error checking only) and 58144518Sdavidxu * not being ignored: 59144518Sdavidxu */ 60261636Skib if (curthread == pthread) { 61212536Sdavidxu if (sig > 0) 62212536Sdavidxu _thr_send_sig(pthread, sig); 63212536Sdavidxu ret = 0; 64261636Skib } else if ((ret = _thr_find_thread(curthread, pthread, 65261636Skib /*include dead*/0)) == 0) { 66144518Sdavidxu if (sig > 0) 67144518Sdavidxu _thr_send_sig(pthread, sig); 68212536Sdavidxu THR_THREAD_UNLOCK(curthread, pthread); 69144518Sdavidxu } 70144518Sdavidxu 71144518Sdavidxu /* Return the completion status: */ 72144518Sdavidxu return (ret); 73144518Sdavidxu} 74