1 /* 2 Copyright (c) 2005-2021 Intel Corporation 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 /* 18 The original source for this example is 19 Copyright (c) 1994-2008 John E. Stone 20 All rights reserved. 21 22 Redistribution and use in source and binary forms, with or without 23 modification, are permitted provided that the following conditions 24 are met: 25 1. Redistributions of source code must retain the above copyright 26 notice, this list of conditions and the following disclaimer. 27 2. Redistributions in binary form must reproduce the above copyright 28 notice, this list of conditions and the following disclaimer in the 29 documentation and/or other materials provided with the distribution. 30 3. The name of the author may not be used to endorse or promote products 31 derived from this software without specific prior written permission. 32 33 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 34 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 35 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 36 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 37 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 38 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 39 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 40 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 41 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 42 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 43 SUCH DAMAGE. 44 */ 45 46 #ifdef EMULATE_PTHREADS 47 48 #ifndef _PTHREAD_H_DEFINED 49 #define _PTHREAD_H_DEFINED 50 51 #include <windows.h> 52 #include <errno.h> 53 #ifndef ENOTSUP 54 #define ENOTSUP EPERM 55 #endif 56 57 /* just need <stddef.h> on Windows to get std::size_t defined */ 58 #include <stddef.h> 59 60 #define ERROR_PTHREAD 1000 61 #define ERROR_MODE 1001 62 #define ERROR_UNIMPL 1002 63 64 /* 65 Basics 66 */ 67 68 struct pthread_s { 69 HANDLE winthread_handle; 70 DWORD winthread_id; 71 }; 72 typedef struct pthread_s *pthread_t; /* one of the few types that's pointer, not struct */ 73 74 typedef struct { 75 int i; /* not yet defined... */ 76 } pthread_attr_t; 77 78 /* 79 Mutex 80 */ 81 82 typedef struct { 83 int i; /* not yet defined... */ 84 } pthread_mutexattr_t; 85 86 typedef struct { 87 CRITICAL_SECTION critsec; 88 } pthread_mutex_t; 89 90 /* 91 Function prototypes 92 */ 93 94 extern int pthread_create(pthread_t *thread, 95 pthread_attr_t *attr, 96 void *(*start_routine)(void *), 97 void *arg); 98 extern int pthread_join(pthread_t th, void **thread_return); 99 extern void pthread_exit(void *retval); 100 101 extern int pthread_mutex_init(pthread_mutex_t *mutex, pthread_mutexattr_t *mutex_attr); 102 extern int pthread_mutex_destroy(pthread_mutex_t *mutex); 103 extern int pthread_mutex_lock(pthread_mutex_t *mutex); 104 extern int pthread_mutex_unlock(pthread_mutex_t *mutex); 105 106 #endif /* _PTHREAD_H_DEFINED */ 107 108 #endif /* EMULATE_PTHREADS */ 109