| | 1 | /* |
| | 2 | * Copyright (c) 1997 John Birrell <jb@cimlogic.com.au>. |
| | 3 | * All rights reserved. |
| | 4 | * |
| | 5 | * Redistribution and use in source and binary forms, with or without |
| | 6 | * modification, are permitted provided that the following conditions |
| | 7 | * are met: |
| | 8 | * 1. Redistributions of source code must retain the above copyright |
| | 9 | * notice, this list of conditions and the following disclaimer. |
| | 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 11 | * notice, this list of conditions and the following disclaimer in the |
| | 12 | * documentation and/or other materials provided with the distribution. |
| | 13 | * 3. All advertising materials mentioning features or use of this software |
| | 14 | * must display the following acknowledgement: |
| | 15 | * This product includes software developed by John Birrell. |
| | 16 | * 4. Neither the name of the author nor the names of any co-contributors |
| | 17 | * may be used to endorse or promote products derived from this software |
| | 18 | * without specific prior written permission. |
| | 19 | * |
| | 20 | * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND |
| | 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| | 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 30 | * SUCH DAMAGE. |
| | 31 | * |
| | 32 | * $FreeBSD: src/lib/libpthread/thread/thr_kill.c,v 1.16 2003/06/28 09:55:02 davidxu Exp $ |
| | 33 | * $DragonFly: src/lib/libthread_xu/thread/thr_kill.c,v 1.2 2005/03/29 19:26:20 joerg Exp $ |
| | 34 | */ |
| | 35 | |
| | 36 | #include <machine/tls.h> |
| | 37 | |
| | 38 | #include <errno.h> |
| | 39 | #include <signal.h> |
| | 40 | #include <pthread.h> |
| | 41 | #include "thr_private.h" |
| | 42 | |
| | 43 | __weak_reference(_pthread_kill, pthread_kill); |
| | 44 | |
| | 45 | int |
| | 46 | _pthread_kill(pthread_t pthread, int sig) |
| | 47 | { |
| | 48 | struct pthread *curthread = tls_get_curthread(); |
| | 49 | int ret; |
| | 50 | |
| | 51 | /* Check for invalid signal numbers: */ |
| | 52 | if (sig < 0 || sig > _SIG_MAXSIG) |
| | 53 | /* Invalid signal: */ |
| | 54 | ret = EINVAL; |
| | 55 | /* |
| | 56 | * Ensure the thread is in the list of active threads, and the |
| | 57 | * signal is valid (signal 0 specifies error checking only) and |
| | 58 | * not being ignored: |
| | 59 | */ |
| | 60 | else if ((ret = _thr_ref_add(curthread, pthread, /*include dead*/0)) |
| | 61 | == 0) { |
| | 62 | if (sig > 0) |
| | 63 | _thr_send_sig(pthread, sig); |
| | 64 | _thr_ref_delete(curthread, pthread); |
| | 65 | } |
| | 66 | |
| | 67 | /* Return the completion status: */ |
| | 68 | return (ret); |
| | 69 | } |
projects / dragonfly.git / blame_incremental