1 /* 2 * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") 3 * Copyright (C) 1998-2001 Internet Software Consortium. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15 * PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 /* $Id: thread.c,v 1.24 2007/06/19 23:47:19 tbox Exp $ */ 19 20 #include <config.h> 21 22 #include <process.h> 23 24 #include <isc/thread.h> 25 26 isc_result_t 27 isc_thread_create(isc_threadfunc_t start, isc_threadarg_t arg, 28 isc_thread_t *threadp) 29 { 30 isc_thread_t thread; 31 unsigned int id; 32 33 thread = (isc_thread_t)_beginthreadex(NULL, 0, start, arg, 0, &id); 34 if (thread == NULL) { 35 /* XXX */ 36 return (ISC_R_UNEXPECTED); 37 } 38 39 *threadp = thread; 40 41 return (ISC_R_SUCCESS); 42 } 43 44 isc_result_t 45 isc_thread_join(isc_thread_t thread, isc_threadresult_t *rp) { 46 DWORD result; 47 DWORD threadrc; 48 49 result = WaitForSingleObject(thread, INFINITE); 50 if (result != WAIT_OBJECT_0) { 51 /* XXX */ 52 return (ISC_R_UNEXPECTED); 53 } 54 if (rp != NULL) { 55 if(!GetExitCodeThread(thread, &threadrc)) { 56 /* XXX */ 57 return (ISC_R_UNEXPECTED); 58 } 59 *rp = threadrc; 60 } 61 (void)CloseHandle(thread); 62 63 return (ISC_R_SUCCESS); 64 } 65 66 void 67 isc_thread_setconcurrency(unsigned int level) { 68 /* 69 * This is unnecessary on Win32 systems, but is here so that the 70 * call exists 71 */ 72 } 73 74 void * 75 isc_thread_key_getspecific(isc_thread_key_t key) { 76 return(TlsGetValue(key)); 77 } 78 79 int 80 isc_thread_key_setspecific(isc_thread_key_t key, void *value) { 81 return (TlsSetValue(key, value) ? 0 : GetLastError()); 82 } 83 84 int 85 isc_thread_key_create(isc_thread_key_t *key, void (*func)(void *)) { 86 *key = TlsAlloc(); 87 88 return ((*key != -1) ? 0 : GetLastError()); 89 } 90 91 int 92 isc_thread_key_delete(isc_thread_key_t key) { 93 return (TlsFree(key) ? 0 : GetLastError()); 94 } 95