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96 lines
2 KiB
C++
96 lines
2 KiB
C++
// -*- C++ -*-
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//=============================================================================
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/**
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* @file IO_SAP.h
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*
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* $Id: IO_SAP.h 80826 2008-03-04 14:51:23Z wotte $
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*
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* @author Doug Schmidt
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*/
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//=============================================================================
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#ifndef ACE_IO_SAP_H
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#define ACE_IO_SAP_H
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#include /**/ "ace/pre.h"
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#include "ace/Flag_Manip.h"
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#include "ace/os_include/sys/os_types.h"
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#if !defined (ACE_LACKS_PRAGMA_ONCE)
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# pragma once
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#endif /* ACE_LACKS_PRAGMA_ONCE */
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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/**
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* @class ACE_IO_SAP
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*
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* @brief Defines the methods for the base class of the ACE_IO_SAP
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* abstraction, which includes ACE_FILE and ACE_DEV.
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*/
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class ACE_Export ACE_IO_SAP
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{
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public:
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enum
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{
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/// Be consistent with Winsock
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INVALID_HANDLE = -1
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};
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/// Default dtor.
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~ACE_IO_SAP (void);
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/// Interface for ioctl.
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int control (int cmd, void *) const;
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// = Common I/O handle options related to files.
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/**
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* Enable asynchronous I/O (ACE_SIGIO), urgent data (ACE_SIGURG),
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* non-blocking I/O (ACE_NONBLOCK), or close-on-exec (ACE_CLOEXEC),
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* which is passed as the @a value.
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*/
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int enable (int value) const;
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/**
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* Disable asynchronous I/O (ACE_SIGIO), urgent data (ACE_SIGURG),
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* non-blocking I/O (ACE_NONBLOCK), or close-on-exec (ACE_CLOEXEC),
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* which is passed as the @a value.
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*/
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int disable (int value) const;
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/// Get the underlying handle.
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ACE_HANDLE get_handle (void) const;
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/// Set the underlying handle.
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void set_handle (ACE_HANDLE handle);
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/// Dump the state of an object.
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void dump (void) const;
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/// Declare the dynamic allocation hooks.
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ACE_ALLOC_HOOK_DECLARE;
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protected:
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/// Ensure that ACE_IO_SAP is an abstract base class.
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ACE_IO_SAP (void);
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private:
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/// Underlying I/O handle.
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ACE_HANDLE handle_;
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/// Cache the process ID.
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static pid_t pid_;
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};
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ACE_END_VERSIONED_NAMESPACE_DECL
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#if defined (__ACE_INLINE__)
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#include "ace/IO_SAP.inl"
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#endif /* __ACE_INLINE__ */
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#include /**/ "ace/post.h"
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#endif /* ACE_IO_SAP_H */
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