jack2 codebase
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

76 lines
1.9KB

  1. /*
  2. Copyright (C) 2004-2008 Grame
  3. This program is free software; you can redistribute it and/or modify
  4. it under the terms of the GNU General Public License as published by
  5. the Free Software Foundation; either version 2 of the License, or
  6. (at your option) any later version.
  7. This program is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10. GNU General Public License for more details.
  11. You should have received a copy of the GNU General Public License
  12. along with this program; if not, write to the Free Software
  13. Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  14. */
  15. #ifndef __JackMacSemaphore__
  16. #define __JackMacSemaphore__
  17. #include "JackSynchro.h"
  18. #include <mach/mach.h>
  19. #include <mach/mach_types.h>
  20. #include <mach/message.h>
  21. #include <mach/mach_error.h>
  22. #include <servers/bootstrap.h>
  23. #include <mach/semaphore.h>
  24. namespace Jack
  25. {
  26. /*!
  27. \brief Inter process synchronization using using Mach semaphore.
  28. */
  29. class JackMachSemaphore : public JackSynchro
  30. {
  31. private:
  32. semaphore_t fSemaphore;
  33. static mach_port_t fBootPort;
  34. protected:
  35. void BuildName(const char* name, const char* server_name, char* res);
  36. public:
  37. JackMachSemaphore(): JackSynchro(), fSemaphore(0)
  38. {}
  39. virtual ~JackMachSemaphore()
  40. {}
  41. bool Signal();
  42. bool SignalAll();
  43. bool Wait();
  44. bool TimedWait(long usec);
  45. bool Allocate(const char* name, const char* server_name, int value);
  46. bool Connect(const char* name, const char* server_name);
  47. bool ConnectInput(const char* name, const char* server_name);
  48. bool ConnectOutput(const char* name, const char* server_name);
  49. bool Disconnect();
  50. void Destroy();
  51. };
  52. } // end of namespace
  53. #endif