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// -*- C++ -*-
//==========================================================================
/**
* @file FIFO.h
*
* $Id$
*
* @author Doug Schmidt
*/
//==========================================================================
#ifndef ACE_FIFO_H
#define ACE_FIFO_H
#include /**/ "ace/pre.h"
#include "ace/ACE_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/IPC_SAP.h"
#include "ace/os_include/os_limits.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class ACE_FIFO
*
* @brief Abstract base class for UNIX FIFOs
*
* UNIX FIFOs are also known Named Pipes, which are totally
* unrelated to Win32 Named Pipes. If you want to use a local
* IPC mechanism that will be portable to both UNIX and Win32,
* take a look at the <ACE_SPIPE_*> classes.
*/
class ACE_Export ACE_FIFO : public ACE_IPC_SAP
{
public:
/// Open up the named pipe on the <rendezvous> in accordance with the
/// flags.
int open (const ACE_TCHAR *rendezvous, int flags, mode_t perms,
LPSECURITY_ATTRIBUTES sa = 0);
/// Close down the ACE_FIFO without removing the rendezvous point.
int close (void);
/// Close down the ACE_FIFO and remove the rendezvous point from the
/// file system.
int remove (void);
/// Return the local address of this endpoint.
int get_local_addr (const ACE_TCHAR *&rendezvous) const;
/// Dump the state of an object.
void dump (void) const;
/// Declare the dynamic allocation hooks.
ACE_ALLOC_HOOK_DECLARE;
protected:
// = Make these protected to ensure that the class is "abstract."
/// Default constructor.
ACE_FIFO (void);
/// Open up the named pipe on the <rendezvous> in accordance with the
/// flags.
ACE_FIFO (const ACE_TCHAR *rendezvous, int flags, mode_t perms,
LPSECURITY_ATTRIBUTES sa = 0);
private:
/// Rendezvous point in the file system.
ACE_TCHAR rendezvous_[MAXPATHLEN + 1];
};
ACE_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "ace/FIFO.inl"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* ACE_FIFO_H */
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