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/* -*- C++ -*- */
//=============================================================================
/**
* @file IO_SAP.h
*
* $Id$
*
* @author Doug Schmidt
*/
//=============================================================================
#ifndef ACE_IO_SAP_H
#define ACE_IO_SAP_H
#include "ace/pre.h"
#include "ace/Flag_Manip.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
/**
* @class ACE_IO_SAP
*
* @brief Defines the methods for the base class of the <ACE_IO_SAP>
* abstraction, which includes <ACE_FILE> and <ACE_DEV>.
*/
class ACE_Export ACE_IO_SAP
{
public:
enum
{
/// Be consistent with Winsock
INVALID_HANDLE = -1
};
/// Default dtor.
~ACE_IO_SAP (void);
/// Interface for ioctl.
int control (int cmd, void *) const;
// = Common I/O handle options related to files.
/**
* Enable asynchronous I/O (ACE_SIGIO), urgent data (ACE_SIGURG),
* non-blocking I/O (ACE_NONBLOCK), or close-on-exec (ACE_CLOEXEC),
* which is passed as the <value>.
*/
int enable (int value) const;
/**
* Disable asynchronous I/O (ACE_SIGIO), urgent data (ACE_SIGURG),
* non-blocking I/O (ACE_NONBLOCK), or close-on-exec (ACE_CLOEXEC),
* which is passed as the <value>.
*/
int disable (int value) const;
/// Get the underlying handle.
ACE_HANDLE get_handle (void) const;
/// Set the underlying handle.
void set_handle (ACE_HANDLE handle);
/// Dump the state of an object.
void dump (void) const;
/// Declare the dynamic allocation hooks.
ACE_ALLOC_HOOK_DECLARE;
protected:
/// Ensure that ACE_IO_SAP is an abstract base class.
ACE_IO_SAP (void);
private:
/// Underlying I/O handle.
ACE_HANDLE handle_;
/// Cache the process ID.
static pid_t pid_;
};
#if !defined (ACE_LACKS_INLINE_FUNCTIONS)
#include "ace/IO_SAP.i"
#endif /* ACE_LACKS_INLINE_FUNCTIONS */
#include "ace/post.h"
#endif /* ACE_IO_SAP_H */
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