mutex_posix.cpp 2.8 KB

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  1. /*************************************************************************/
  2. /* mutex_posix.cpp */
  3. /*************************************************************************/
  4. /* This file is part of: */
  5. /* GODOT ENGINE */
  6. /* http://www.godotengine.org */
  7. /*************************************************************************/
  8. /* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
  9. /* */
  10. /* Permission is hereby granted, free of charge, to any person obtaining */
  11. /* a copy of this software and associated documentation files (the */
  12. /* "Software"), to deal in the Software without restriction, including */
  13. /* without limitation the rights to use, copy, modify, merge, publish, */
  14. /* distribute, sublicense, and/or sell copies of the Software, and to */
  15. /* permit persons to whom the Software is furnished to do so, subject to */
  16. /* the following conditions: */
  17. /* */
  18. /* The above copyright notice and this permission notice shall be */
  19. /* included in all copies or substantial portions of the Software. */
  20. /* */
  21. /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
  22. /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
  23. /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  24. /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
  25. /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
  26. /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
  27. /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
  28. /*************************************************************************/
  29. #include "mutex_posix.h"
  30. #include "os/memory.h"
  31. #if defined(UNIX_ENABLED) || defined(PTHREAD_ENABLED)
  32. void MutexPosix::lock() {
  33. pthread_mutex_lock(&mutex);
  34. }
  35. void MutexPosix::unlock() {
  36. pthread_mutex_unlock(&mutex);
  37. }
  38. Error MutexPosix::try_lock() {
  39. return (pthread_mutex_trylock(&mutex)==0)?OK:ERR_BUSY;
  40. }
  41. Mutex *MutexPosix::create_func_posix(bool p_recursive) {
  42. return memnew( MutexPosix(p_recursive) );
  43. }
  44. void MutexPosix::make_default() {
  45. create_func=create_func_posix;
  46. }
  47. MutexPosix::MutexPosix(bool p_recursive) {
  48. pthread_mutexattr_init(&attr);
  49. if (p_recursive)
  50. pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE);
  51. pthread_mutex_init(&mutex,&attr);
  52. }
  53. MutexPosix::~MutexPosix() {
  54. pthread_mutex_destroy(&mutex);
  55. }
  56. #endif