dep/ACE_wrappers/ace/os_include/sys/os_sem.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file    os_sem.h
   6  *
   7  *  XSI semaphore facility
   8  *
   9  *  $Id: os_sem.h 80826 2008-03-04 14:51:23Z wotte $
  10  *
  11  *  @author Don Hinton <dhinton@dresystems.com>
  12  *  @author This code was originally in various places including ace/OS.h.
  13  */
  14 //=============================================================================
  15
  16 #ifndef ACE_OS_INCLUDE_SYS_OS_SEM_H
  17 #define ACE_OS_INCLUDE_SYS_OS_SEM_H
  18
  19 #include /**/ "ace/pre.h"
  20
  21 #include "ace/config-lite.h"
  22
  23 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  24 # pragma once
  25 #endif /* ACE_LACKS_PRAGMA_ONCE */
  26
  27 #include "ace/os_include/sys/os_ipc.h"
  28
  29 #if !defined (ACE_LACKS_SYS_SEM_H)
  30 #  include /**/ <sys/sem.h>
  31 #endif /* !ACE_LACKS_SYS_SEM_H */
  32
  33 // Place all additions (especially function declarations) within extern "C" {}
  34 #ifdef __cplusplus
  35 extern "C"
  36 {
  37 #endif /* __cplusplus */
  38
  39 # if !defined (GETVAL)
  40 #   define GETVAL 0
  41 # endif /* GETVAL */
  42
  43 # if !defined (SETVAL)
  44 #   define SETVAL 0
  45 # endif /* SETVAL */
  46
  47 # if !defined (GETALL)
  48 #   define GETALL 0
  49 # endif /* GETALL */
  50
  51 # if !defined (SETALL)
  52 #   define SETALL 0
  53 # endif /* SETALL */
  54
  55 # if !defined (SEM_UNDO)
  56 #   define SEM_UNDO 0
  57 # endif /* SEM_UNDO */
  58
  59 #if defined (ACE_LACKS_SEMBUF_T)
  60    struct sembuf
  61    {
  62      /// semaphore #
  63      unsigned short sem_num;
  64
  65      /// semaphore operation
  66      short sem_op;
  67
  68      /// operation flags
  69      short sem_flg;
  70    };
  71 #endif /* ACE_LACKS_SEMBUF_T */
  72
  73 #if !defined (ACE_HAS_SEMUN) || (defined (__GLIBC__) && defined (_SEM_SEMUN_UNDEFINED))
  74    union semun
  75    {
  76      /// value for SETVAL
  77      int val;
  78      /// buffer for IPC_STAT & IPC_SET
  79      struct semid_ds *buf;
  80      /// array for GETALL & SETALL
  81      u_short *array;
  82    };
  83 #endif /* !ACE_HAS_SEMUN || (defined (__GLIBC__) && defined (_SEM_SEMUN_UNDEFINED)) */
  84
  85 #ifdef __cplusplus
  86 }
  87 #endif /* __cplusplus */
  88
  89 #include /**/ "ace/post.h"
  90 #endif /* ACE_OS_INCLUDE_SYS_OS_SEM_H */