1 /* 2 * Copyright (C) 2004, 2005, 2007, 2009 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.h,v 1.25 2009/09/29 04:37:08 marka Exp $ */ 19 20 #ifndef ISC_THREAD_H 21 #define ISC_THREAD_H 1 22 23 #include <windows.h> 24 25 #include <isc/lang.h> 26 #include <isc/result.h> 27 28 /* 29 * Inlines to help with wait retrun checking 30 */ 31 32 /* check handle for NULL and INVALID_HANDLE */ 33 inline BOOL IsValidHandle( HANDLE hHandle) { 34 return ((hHandle != NULL) && (hHandle != INVALID_HANDLE_VALUE)); 35 } 36 37 /* validate wait return codes... */ 38 inline BOOL WaitSucceeded( DWORD dwWaitResult, DWORD dwHandleCount) { 39 return ((dwWaitResult >= WAIT_OBJECT_0) && 40 (dwWaitResult < WAIT_OBJECT_0 + dwHandleCount)); 41 } 42 43 inline BOOL WaitAbandoned( DWORD dwWaitResult, DWORD dwHandleCount) { 44 return ((dwWaitResult >= WAIT_ABANDONED_0) && 45 (dwWaitResult < WAIT_ABANDONED_0 + dwHandleCount)); 46 } 47 48 inline BOOL WaitTimeout( DWORD dwWaitResult) { 49 return (dwWaitResult == WAIT_TIMEOUT); 50 } 51 52 inline BOOL WaitFailed( DWORD dwWaitResult) { 53 return (dwWaitResult == WAIT_FAILED); 54 } 55 56 /* compute object indices for waits... */ 57 inline DWORD WaitSucceededIndex( DWORD dwWaitResult) { 58 return (dwWaitResult - WAIT_OBJECT_0); 59 } 60 61 inline DWORD WaitAbandonedIndex( DWORD dwWaitResult) { 62 return (dwWaitResult - WAIT_ABANDONED_0); 63 } 64 65 66 67 typedef HANDLE isc_thread_t; 68 typedef DWORD isc_threadresult_t; 69 typedef void * isc_threadarg_t; 70 typedef isc_threadresult_t (WINAPI *isc_threadfunc_t)(isc_threadarg_t); 71 typedef DWORD isc_thread_key_t; 72 73 #define isc_thread_self (unsigned long)GetCurrentThreadId 74 75 ISC_LANG_BEGINDECLS 76 77 isc_result_t 78 isc_thread_create(isc_threadfunc_t, isc_threadarg_t, isc_thread_t *); 79 80 isc_result_t 81 isc_thread_join(isc_thread_t, isc_threadresult_t *); 82 83 void 84 isc_thread_setconcurrency(unsigned int level); 85 86 int 87 isc_thread_key_create(isc_thread_key_t *key, void (*func)(void *)); 88 89 int 90 isc_thread_key_delete(isc_thread_key_t key); 91 92 void * 93 isc_thread_key_getspecific(isc_thread_key_t); 94 95 int 96 isc_thread_key_setspecific(isc_thread_key_t key, void *value); 97 98 ISC_LANG_ENDDECLS 99 100 #endif /* ISC_THREAD_H */ 101