include/shm_semaph.h

   1 /***************************************************************************
   2  * Copyright 1995, Technion, Israel Institute of Technology
   3  * Electrical Eng, Software Lab.
   4  * Author:    Michael Veksler.
   5  ***************************************************************************
   6  * File:      shm_semaph.h
   7  * Purpose:   Handle semaphores for shared memory operations.
   8  ***************************************************************************
   9  */
  10
  11 #ifndef __WINE_SHM_SEMAPH_H
  12 #define __WINE_SHM_SEMAPH_H
  13 /* IMPORTANT: If possible, restrict usage of these functions. */
  14
  15 #ifdef CONFIG_IPC
  16
  17 typedef int shm_sem;
  18
  19 void shm_read_wait(shm_sem semid);
  20 void shm_write_wait(shm_sem semid);
  21 void shm_write_signal(shm_sem semid);
  22 void shm_read_signal(shm_sem semid);
  23 void shm_sem_init(shm_sem *semptr);
  24 void shm_sem_done(shm_sem *semptr);
  25
  26 #endif  /* CONFIG_IPC */
  27
  28 #endif /* __WINE_SHM_SEMAPH_H */