x86UNIXMutex.h 1.7 KB

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  1. //-----------------------------------------------------------------------------
  2. // Copyright (c) 2013 GarageGames, LLC
  3. //
  4. // Permission is hereby granted, free of charge, to any person obtaining a copy
  5. // of this software and associated documentation files (the "Software"), to
  6. // deal in the Software without restriction, including without limitation the
  7. // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  8. // sell copies of the Software, and to permit persons to whom the Software is
  9. // furnished to do so, subject to the following conditions:
  10. //
  11. // The above copyright notice and this permission notice shall be included in
  12. // all copies or substantial portions of the Software.
  13. //
  14. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17. // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18. // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19. // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  20. // IN THE SOFTWARE.
  21. //-----------------------------------------------------------------------------
  22. #ifndef _X86UNIXMUTEX_H_
  23. #define _X86UNIXMUTEX_H_
  24. // A process-shared mutex class, used by Platform::excludeOtherInstances()
  25. class ProcessMutex
  26. {
  27. public:
  28. ProcessMutex();
  29. ~ProcessMutex();
  30. bool acquire(const char *mutexName);
  31. void release();
  32. private:
  33. int mFD;
  34. static const int LockFileNameSize=256;
  35. char mLockFileName[LockFileNameSize];
  36. };
  37. #endif