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/* -*- C++ -*- */
//=============================================================================
/**
* @file fctnl.h
*
* $Id$
*
* @author Douglas C. Schmidt (schmidt@cs.wustl.edu)
* @author etc
*/
//=============================================================================
#ifndef ACE_OS_INCLUDE_FCNTL_H
# define ACE_OS_INCLUDE_FCNTL_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/types.h"
// Only include if platform/compiler provide the header.
# if !defined (ACE_LACKS_FCNTL_H)
# include /**/ <fcntl.h>
# endif /* !ACE_LACKS_FCNTL_H */
// Include additional/alternate headers for certain platfor/compiler combinations.
# if defined (ACE_NEEDS_SYS_FCNTL_H)
# include /**/ <sys/fcntl.h>
# endif /* ACE_NEEDS_SYS_FCNTL_H) */
// defined Win32 specific macros for UNIX platforms
# if !defined (O_BINARY)
# define O_BINARY 0
# endif /* O_BINARY */
# if !defined (_O_BINARY)
# define _O_BINARY O_BINARY
# endif /* _O_BINARY */
# if !defined (O_TEXT)
# define O_TEXT 0
# endif /* O_TEXT */
# if !defined (_O_TEXT)
# define _O_TEXT O_TEXT
# endif /* _O_TEXT */
# if !defined (O_RAW)
# define O_RAW 0
# endif /* O_RAW */
# if !defined (_O_RAW)
# define _O_RAW O_RAW
# endif /* _O_RAW */
# if !defined (O_NONBLOCK)
# define O_NONBLOCK 1
# endif /* O_NONBLOCK */
# if defined (ACE_HAS_POSIX_NONBLOCK)
# define ACE_NONBLOCK O_NONBLOCK
# else
# define ACE_NONBLOCK O_NDELAY
# endif /* ACE_HAS_POSIX_NONBLOCK */
# if defined (ACE_LACKS_FILELOCKS)
# if ! defined (VXWORKS) && ! defined (ACE_PSOS) && ! defined (__rtems__)
// VxWorks defines struct flock in sys/fcntlcom.h. But it doesn't
// appear to support flock (). RTEMS defines struct flock but
// currently does not support locking.
struct flock
{
short l_type;
short l_whence;
off_t l_start;
off_t l_len; /* len == 0 means until end of file */
long l_sysid;
pid_t l_pid;
long l_pad[4]; /* reserve area */
};
# endif /* ! VXWORKS */
# endif /* ACE_LACKS_FILELOCKS */
struct ace_flock_t
{
# if defined (ACE_WIN32)
ACE_OVERLAPPED overlapped_;
# else
struct flock lock_;
# endif /* ACE_WIN32 */
/// Name of this filelock.
const ACE_TCHAR *lockname_;
/// Handle to the underlying file.
ACE_HANDLE handle_;
# if defined (CHORUS)
/// This is the mutex that's stored in shared memory. It can only
/// be destroyed by the actor that initialized it.
ACE_mutex_t *process_lock_;
# endif /* CHORUS */
};
#endif /* ACE_OS_INCLUDE_FCNTL_H */
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