Mutex.cpp 492 B

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  1. #include "Mutex.h"
  2. using namespace rtthread;
  3. Mutex::Mutex(const char *name)
  4. {
  5. rt_mutex_init(&mID, name, RT_IPC_FLAG_FIFO);
  6. }
  7. bool Mutex::lock(int32_t millisec)
  8. {
  9. rt_int32_t tick;
  10. if (millisec < 0)
  11. tick = -1;
  12. else
  13. tick = rt_tick_from_millisecond(millisec);
  14. return rt_mutex_take(&mID, tick) == RT_EOK;
  15. }
  16. bool Mutex::trylock()
  17. {
  18. return lock(0);
  19. }
  20. void Mutex::unlock()
  21. {
  22. rt_mutex_release(&mID);
  23. }
  24. Mutex::~Mutex()
  25. {
  26. rt_mutex_detach(&mID);
  27. }