1 /* $NetBSD: thread.h,v 1.6 2014/12/10 04:38:01 christos Exp $ */ 2 3 /* 4 * Copyright (C) 2004, 2005, 2007, 2009, 2013 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.h,v 1.25 2009/09/29 04:37:08 marka Exp */ 21 22 #ifndef ISC_THREAD_H 23 #define ISC_THREAD_H 1 24 25 #include <windows.h> 26 27 #include <isc/lang.h> 28 #include <isc/result.h> 29 30 /* 31 * Inlines to help with wait return checking 32 */ 33 34 /* check handle for NULL and INVALID_HANDLE */ 35 inline BOOL IsValidHandle( HANDLE hHandle) { 36 return ((hHandle != NULL) && (hHandle != INVALID_HANDLE_VALUE)); 37 } 38 39 /* validate wait return codes... */ 40 inline BOOL WaitSucceeded( DWORD dwWaitResult, DWORD dwHandleCount) { 41 return ((dwWaitResult >= WAIT_OBJECT_0) && 42 (dwWaitResult < WAIT_OBJECT_0 + dwHandleCount)); 43 } 44 45 inline BOOL WaitAbandoned( DWORD dwWaitResult, DWORD dwHandleCount) { 46 return ((dwWaitResult >= WAIT_ABANDONED_0) && 47 (dwWaitResult < WAIT_ABANDONED_0 + dwHandleCount)); 48 } 49 50 inline BOOL WaitTimeout( DWORD dwWaitResult) { 51 return (dwWaitResult == WAIT_TIMEOUT); 52 } 53 54 inline BOOL WaitFailed( DWORD dwWaitResult) { 55 return (dwWaitResult == WAIT_FAILED); 56 } 57 58 /* compute object indices for waits... */ 59 inline DWORD WaitSucceededIndex( DWORD dwWaitResult) { 60 return (dwWaitResult - WAIT_OBJECT_0); 61 } 62 63 inline DWORD WaitAbandonedIndex( DWORD dwWaitResult) { 64 return (dwWaitResult - WAIT_ABANDONED_0); 65 } 66 67 68 69 typedef HANDLE isc_thread_t; 70 typedef DWORD isc_threadresult_t; 71 typedef void * isc_threadarg_t; 72 typedef isc_threadresult_t (WINAPI *isc_threadfunc_t)(isc_threadarg_t); 73 typedef DWORD isc_thread_key_t; 74 75 #define isc_thread_self (unsigned long)GetCurrentThreadId 76 77 ISC_LANG_BEGINDECLS 78 79 isc_result_t 80 isc_thread_create(isc_threadfunc_t, isc_threadarg_t, isc_thread_t *); 81 82 isc_result_t 83 isc_thread_join(isc_thread_t, isc_threadresult_t *); 84 85 void 86 isc_thread_setconcurrency(unsigned int level); 87 88 int 89 isc_thread_key_create(isc_thread_key_t *key, void (*func)(void *)); 90 91 int 92 isc_thread_key_delete(isc_thread_key_t key); 93 94 void * 95 isc_thread_key_getspecific(isc_thread_key_t); 96 97 int 98 isc_thread_key_setspecific(isc_thread_key_t key, void *value); 99 100 #define isc_thread_yield() Sleep(0) 101 102 ISC_LANG_ENDDECLS 103 104 #endif /* ISC_THREAD_H */ 105