1 /* 2 * pthread_kill.c 3 * 4 * Description: 5 * This translation unit implements the pthread_kill routine. 6 * 7 * -------------------------------------------------------------------------- 8 * 9 * Pthreads-win32 - POSIX Threads Library for Win32 10 * Copyright(C) 1998 John E. Bossom 11 * Copyright(C) 1999,2005 Pthreads-win32 contributors 12 * 13 * Contact Email: rpj (at) callisto.canberra.edu.au 14 * 15 * The current list of contributors is contained 16 * in the file CONTRIBUTORS included with the source 17 * code distribution. The list can also be seen at the 18 * following World Wide Web location: 19 * http://sources.redhat.com/pthreads-win32/contributors.html 20 * 21 * This library is free software; you can redistribute it and/or 22 * modify it under the terms of the GNU Lesser General Public 23 * License as published by the Free Software Foundation; either 24 * version 2 of the License, or (at your option) any later version. 25 * 26 * This library is distributed in the hope that it will be useful, 27 * but WITHOUT ANY WARRANTY; without even the implied warranty of 28 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 29 * Lesser General Public License for more details. 30 * 31 * You should have received a copy of the GNU Lesser General Public 32 * License along with this library in the file COPYING.LIB; 33 * if not, write to the Free Software Foundation, Inc., 34 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 35 */ 36 37 #include "pthread.h" 38 #include "implement.h" 39 40 /* 41 * Not needed yet, but defining it should indicate clashes with build target 42 * environment that should be fixed. 43 */ 44 #if !defined(WINCE) 45 # include <signal.h> 46 #endif 47 48 int 49 pthread_kill (pthread_t thread, int sig) 50 /* 51 * ------------------------------------------------------ 52 * DOCPUBLIC 53 * This function requests that a signal be delivered to the 54 * specified thread. If sig is zero, error checking is 55 * performed but no signal is actually sent such that this 56 * function can be used to check for a valid thread ID. 57 * 58 * PARAMETERS 59 * thread reference to an instances of pthread_t 60 * sig signal. Currently only a value of 0 is supported. 61 * 62 * 63 * DESCRIPTION 64 * This function requests that a signal be delivered to the 65 * specified thread. If sig is zero, error checking is 66 * performed but no signal is actually sent such that this 67 * function can be used to check for a valid thread ID. 68 * 69 * RESULTS 70 * ESRCH the thread is not a valid thread ID, 71 * EINVAL the value of the signal is invalid 72 * or unsupported. 73 * 0 the signal was successfully sent. 74 * 75 * ------------------------------------------------------ 76 */ 77 { 78 int result = 0; 79 ptw32_thread_t * tp; 80 ptw32_mcs_local_node_t node; 81 82 ptw32_mcs_lock_acquire(&ptw32_thread_reuse_lock, &node); 83 84 tp = (ptw32_thread_t *) thread.p; 85 86 if (NULL == tp 87 || thread.x != tp->ptHandle.x 88 || NULL == tp->threadH) 89 { 90 result = ESRCH; 91 } 92 93 ptw32_mcs_lock_release(&node); 94 95 if (0 == result && 0 != sig) 96 { 97 /* 98 * Currently does not support any signals. 99 */ 100 result = EINVAL; 101 } 102 103 return result; 104 105 } /* pthread_kill */ 106
