Current Path : /usr/src/lib/libthr/thread/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/src/lib/libthr/thread/thr_kill.c |
/* * Copyright (c) 1997 John Birrell <jb@cimlogic.com.au>. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: release/9.1.0/lib/libthr/thread/thr_kill.c 212536 2010-09-13 07:03:01Z davidxu $ */ #include "namespace.h" #include <errno.h> #include <signal.h> #include <pthread.h> #include "un-namespace.h" #include "thr_private.h" __weak_reference(_pthread_kill, pthread_kill); int _pthread_kill(pthread_t pthread, int sig) { struct pthread *curthread = _get_curthread(); int ret; /* Check for invalid signal numbers: */ if (sig < 0 || sig > _SIG_MAXSIG) /* Invalid signal: */ ret = EINVAL; /* * Ensure the thread is in the list of active threads, and the * signal is valid (signal 0 specifies error checking only) and * not being ignored: */ else if (curthread == pthread) { if (sig > 0) _thr_send_sig(pthread, sig); ret = 0; } if ((ret = _thr_find_thread(curthread, pthread, /*include dead*/0)) == 0) { if (sig > 0) _thr_send_sig(pthread, sig); THR_THREAD_UNLOCK(curthread, pthread); } /* Return the completion status: */ return (ret); }