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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// IO_SAP.h
//
// = AUTHOR
// Doug Schmidt
//
// ============================================================================
#ifndef ACE_IO_SAP_H
#define ACE_IO_SAP_H
#include "ace/pre.h"
#include "ace/ACE.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class ACE_Export ACE_IO_SAP
{
// = TITLE
// Defines the methods for the base class of the <ACE_IO_SAP>
// abstraction, which includes <ACE_FILE> and <ACE_DEV>.
public:
enum
{
INVALID_HANDLE = -1 // Be consistent with Winsock
};
~ACE_IO_SAP (void);
// Default dtor.
int control (int cmd, void *) const;
// Interface for ioctl.
// = Common I/O handle options related to files.
int enable (int value) const;
// 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 disable (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>.
ACE_HANDLE get_handle (void) const;
// Get the underlying handle.
void set_handle (ACE_HANDLE handle);
// Set the underlying handle.
void dump (void) const;
// Dump the state of an object.
ACE_ALLOC_HOOK_DECLARE;
// Declare the dynamic allocation hooks.
protected:
ACE_IO_SAP (void);
// Ensure that ACE_IO_SAP is an abstract base class.
private:
ACE_HANDLE handle_;
// Underlying I/O handle.
static pid_t pid_;
// Cache the process ID.
};
#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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