os_select.h

来自「ACE源码」· C头文件 代码 · 共 70 行

// -*- C++ -*-

//=============================================================================
/**
 *  @file    os_select.h
 *
 *  select types
 *
 *  os_select.h,v 1.6 2003/11/14 15:48:31 dhinton Exp
 *
 *  @author Don Hinton <[e-mail]>
 *  @author This code was originally in various places including ace/OS.h.
 */
//=============================================================================

#ifndef ACE_OS_INCLUDE_SYS_OS_SELECT_H
#define ACE_OS_INCLUDE_SYS_OS_SELECT_H

#include /**/ "ace/pre.h"

#include "ace/config-all.h"

#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */

#include "ace/os_include/sys/os_time.h"
#include "ace/os_include/os_signal.h"

#if !defined (ACE_LACKS_SYS_SELECT_H)
#  include /**/ <sys/select.h>
#endif /* !ACE_LACKS_SYS_SELECT_H */

#if defined (VXWORKS)
#  include /**/ <selectLib.h>
#endif /* VXWORKS */

// Place all additions (especially function declarations) within extern "C" {}
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */

#if defined (ACE_WIN32)
   // This will help until we figure out everything:
#  define NFDBITS 32 /* only used in unused functions... */
#elif defined (__QNX__)
#  if !defined (NFDBITS)
#    define NFDBITS (sizeof(fd_mask) * NBBY)        /* bits per mask */
#  endif /* ! NFDBITS */
#endif /* ACE_WIN32 */

#if defined (ACE_SELECT_USES_INT)
   typedef int ACE_FD_SET_TYPE;
#else
   typedef fd_set ACE_FD_SET_TYPE;
#endif /* ACE_SELECT_USES_INT */

#if defined (__rtems__)
  int select (int n, fd_set *readfds, fd_set *writefds,
              fd_set *exceptfds, const struct timeval *timeout);
#endif /* __rtems__ */

#ifdef __cplusplus
}
#endif /* __cplusplus */

#include /**/ "ace/post.h"
#endif /* ACE_OS_INCLUDE_SYS_OS_SELECT_H */