xref: /curl/lib/curl_threads.h (revision bc2f72b9)
1 #ifndef HEADER_CURL_THREADS_H
2 #define HEADER_CURL_THREADS_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
11  *
12  * This software is licensed as described in the file COPYING, which
13  * you should have received as part of this distribution. The terms
14  * are also available at https://curl.se/docs/copyright.html.
15  *
16  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17  * copies of the Software, and permit persons to whom the Software is
18  * furnished to do so, under the terms of the COPYING file.
19  *
20  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21  * KIND, either express or implied.
22  *
23  * SPDX-License-Identifier: curl
24  *
25  ***************************************************************************/
26 #include "curl_setup.h"
27 
28 #if defined(USE_THREADS_POSIX)
29 #  define CURL_STDCALL
30 #  define curl_mutex_t           pthread_mutex_t
31 #  define curl_thread_t          pthread_t *
32 #  define curl_thread_t_null     (pthread_t *)0
33 #  define Curl_mutex_init(m)     pthread_mutex_init(m, NULL)
34 #  define Curl_mutex_acquire(m)  pthread_mutex_lock(m)
35 #  define Curl_mutex_release(m)  pthread_mutex_unlock(m)
36 #  define Curl_mutex_destroy(m)  pthread_mutex_destroy(m)
37 #elif defined(USE_THREADS_WIN32)
38 #  define CURL_STDCALL           __stdcall
39 #  define curl_mutex_t           CRITICAL_SECTION
40 #  define curl_thread_t          HANDLE
41 #  define curl_thread_t_null     (HANDLE)0
42 #  if !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_VISTA) || \
43       (_WIN32_WINNT < _WIN32_WINNT_VISTA)
44 #    define Curl_mutex_init(m)   InitializeCriticalSection(m)
45 #  else
46 #    define Curl_mutex_init(m)   InitializeCriticalSectionEx(m, 0, 1)
47 #  endif
48 #  define Curl_mutex_acquire(m)  EnterCriticalSection(m)
49 #  define Curl_mutex_release(m)  LeaveCriticalSection(m)
50 #  define Curl_mutex_destroy(m)  DeleteCriticalSection(m)
51 #endif
52 
53 #if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
54 
55 curl_thread_t Curl_thread_create(
56 #if defined(_WIN32_WCE) || defined(CURL_WINDOWS_UWP)
57                                  DWORD
58 #else
59                                  unsigned int
60 #endif
61                                  (CURL_STDCALL *func) (void *),
62                                  void *arg);
63 
64 void Curl_thread_destroy(curl_thread_t hnd);
65 
66 int Curl_thread_join(curl_thread_t *hnd);
67 
68 #endif /* USE_THREADS_POSIX || USE_THREADS_WIN32 */
69 
70 #endif /* HEADER_CURL_THREADS_H */
71