1 /* $NetBSD: thread.c,v 1.4 2014/12/10 04:38:01 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") 5 * Copyright (C) 1998-2001 Internet Software Consortium. 6 * 7 * Permission to use, copy, modify, and/or distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 17 * PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* Id: thread.c,v 1.24 2007/06/19 23:47:19 tbox Exp */ 21 22 #include <config.h> 23 24 #include <process.h> 25 26 #include <isc/thread.h> 27 28 isc_result_t 29 isc_thread_create(isc_threadfunc_t start, isc_threadarg_t arg, 30 isc_thread_t *threadp) 31 { 32 isc_thread_t thread; 33 unsigned int id; 34 35 thread = (isc_thread_t)_beginthreadex(NULL, 0, start, arg, 0, &id); 36 if (thread == NULL) { 37 /* XXX */ 38 return (ISC_R_UNEXPECTED); 39 } 40 41 *threadp = thread; 42 43 return (ISC_R_SUCCESS); 44 } 45 46 isc_result_t 47 isc_thread_join(isc_thread_t thread, isc_threadresult_t *rp) { 48 DWORD result; 49 50 result = WaitForSingleObject(thread, INFINITE); 51 if (result != WAIT_OBJECT_0) { 52 /* XXX */ 53 return (ISC_R_UNEXPECTED); 54 } 55 if (rp != NULL && !GetExitCodeThread(thread, rp)) { 56 /* XXX */ 57 return (ISC_R_UNEXPECTED); 58 } 59 (void)CloseHandle(thread); 60 61 return (ISC_R_SUCCESS); 62 } 63 64 void 65 isc_thread_setconcurrency(unsigned int level) { 66 /* 67 * This is unnecessary on Win32 systems, but is here so that the 68 * call exists 69 */ 70 } 71 72 void * 73 isc_thread_key_getspecific(isc_thread_key_t key) { 74 return(TlsGetValue(key)); 75 } 76 77 int 78 isc_thread_key_setspecific(isc_thread_key_t key, void *value) { 79 return (TlsSetValue(key, value) ? 0 : GetLastError()); 80 } 81 82 int 83 isc_thread_key_create(isc_thread_key_t *key, void (*func)(void *)) { 84 *key = TlsAlloc(); 85 86 return ((*key != -1) ? 0 : GetLastError()); 87 } 88 89 int 90 isc_thread_key_delete(isc_thread_key_t key) { 91 return (TlsFree(key) ? 0 : GetLastError()); 92 } 93