headers/private/kernel/posix/realtime_sem.h

   1 /*
   2  * Copyright 2008, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef KERNEL_REALTIME_SEM_H
   6 #define KERNEL_REALTIME_SEM_H
   7
   8 #include <semaphore.h>
   9 #include <sys/cdefs.h>
  10 #include <sys/types.h>
  11
  12 #include <OS.h>
  13
  14 #include <posix/realtime_sem_defs.h>
  15
  16
  17 struct realtime_sem_context;
  18
  19
  20 __BEGIN_DECLS
  21
  22 void            realtime_sem_init();
  23 void            delete_realtime_sem_context(struct realtime_sem_context* context);
  24 struct realtime_sem_context* clone_realtime_sem_context(
  25                                         struct realtime_sem_context* context);
  26
  27 status_t        _user_realtime_sem_open(const char* name, int openFlagsOrShared,
  28                                         mode_t mode, uint32 semCount, sem_t* userSem,
  29                                         sem_t** _usedUserSem);
  30 status_t        _user_realtime_sem_close(sem_id semID, sem_t** _deleteUserSem);
  31 status_t        _user_realtime_sem_unlink(const char* name);
  32
  33 status_t        _user_realtime_sem_get_value(sem_id semID, int* value);
  34 status_t        _user_realtime_sem_post(sem_id semID);
  35 status_t        _user_realtime_sem_wait(sem_id semID, bigtime_t timeout);
  36
  37 __END_DECLS
  38
  39
  40 #endif  // KERNEL_REALTIME_SEM_H