// -*- C++ -*-//=============================================================================/** *  @file    os_sem.h * *  XSI semaphore facility * *  os_sem.h,v 1.4 2004/08/25 16:05:42 shuston Exp * *  @author Don Hinton <dhinton@dresystems.com> *  @author This code was originally in various places including ace/OS.h. *///=============================================================================#ifndef ACE_OS_INCLUDE_SYS_OS_SEM_H#define ACE_OS_INCLUDE_SYS_OS_SEM_H#include /**/ "ace/pre.h"#include "ace/config-lite.h"#if !defined (ACE_LACKS_PRAGMA_ONCE)# pragma once#endif /* ACE_LACKS_PRAGMA_ONCE */#include "ace/os_include/sys/os_ipc.h"#if !defined (ACE_LACKS_SYS_SEM_H)#  include /**/ <sys/sem.h>#endif /* !ACE_LACKS_SYS_SEM_H */// Place all additions (especially function declarations) within extern "C" {}#ifdef __cplusplusextern "C"{#endif /* __cplusplus */# if !defined (GETVAL)#   define GETVAL 0# endif /* GETVAL */# if !defined (SETVAL)#   define SETVAL 0# endif /* SETVAL */# if !defined (GETALL)#   define GETALL 0# endif /* GETALL */# if !defined (SETALL)#   define SETALL 0# endif /* SETALL */# if !defined (SEM_UNDO)#   define SEM_UNDO 0# endif /* SEM_UNDO */#if defined (ACE_LACKS_SEMBUF_T)   struct sembuf   {     /// semaphore #     unsigned short sem_num;     /// semaphore operation     short sem_op;     /// operation flags     short sem_flg;   };#endif /* ACE_LACKS_SEMBUF_T */#if !defined (ACE_HAS_SEMUN) || (defined (__GLIBC__) && defined (_SEM_SEMUN_UNDEFINED))   union semun   {     /// value for SETVAL     int val;     /// buffer for IPC_STAT & IPC_SET     struct semid_ds *buf;     /// array for GETALL & SETALL     u_short *array;   };#endif /* !ACE_HAS_SEMUN || (defined (__GLIBC__) && defined (_SEM_SEMUN_UNDEFINED)) */#ifdef __cplusplus}#endif /* __cplusplus */#include /**/ "ace/post.h"#endif /* ACE_OS_INCLUDE_SYS_OS_SEM_H */