curl_threads.h 2.8 KB

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  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. #if defined(USE_THREADS_POSIX)
  28. # define CURL_STDCALL
  29. # define curl_mutex_t pthread_mutex_t
  30. # define curl_thread_t pthread_t *
  31. # define curl_thread_t_null (pthread_t *)0
  32. # define Curl_mutex_init(m) pthread_mutex_init(m, NULL)
  33. # define Curl_mutex_acquire(m) pthread_mutex_lock(m)
  34. # define Curl_mutex_release(m) pthread_mutex_unlock(m)
  35. # define Curl_mutex_destroy(m) pthread_mutex_destroy(m)
  36. #elif defined(USE_THREADS_WIN32)
  37. # define CURL_STDCALL __stdcall
  38. # define curl_mutex_t CRITICAL_SECTION
  39. # define curl_thread_t HANDLE
  40. # define curl_thread_t_null (HANDLE)0
  41. /* The Windows init macro is made to return 0 on success so that it behaves the
  42. same as pthreads init which returns 0 on success. */
  43. # if !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_VISTA) || \
  44. (_WIN32_WINNT < _WIN32_WINNT_VISTA) || \
  45. (defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR))
  46. # define Curl_mutex_init(m) (InitializeCriticalSection(m), 0)
  47. # else
  48. # define Curl_mutex_init(m) (!InitializeCriticalSectionEx(m, 0, 1))
  49. # endif
  50. # define Curl_mutex_acquire(m) EnterCriticalSection(m)
  51. # define Curl_mutex_release(m) LeaveCriticalSection(m)
  52. # define Curl_mutex_destroy(m) DeleteCriticalSection(m)
  53. #endif
  54. #if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
  55. /* !checksrc! disable SPACEBEFOREPAREN 1 */
  56. curl_thread_t Curl_thread_create(unsigned int (CURL_STDCALL *func) (void *),
  57. void *arg);
  58. void Curl_thread_destroy(curl_thread_t hnd);
  59. int Curl_thread_join(curl_thread_t *hnd);
  60. #endif /* USE_THREADS_POSIX || USE_THREADS_WIN32 */
  61. #endif /* HEADER_CURL_THREADS_H */