/usr/include/ace/MEM_Stream.h is in libace-dev 6.0.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//=============================================================================
/**
* @file MEM_Stream.h
*
* $Id: MEM_Stream.h 92069 2010-09-28 11:38:59Z johnnyw $
*
* @author Nanbor Wang <nanbor@cs.wustl.edu>
*/
//=============================================================================
#ifndef ACE_MEM_STREAM_H
#define ACE_MEM_STREAM_H
#include /**/ "ace/pre.h"
#include "ace/MEM_IO.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if (ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1)
#include "ace/INET_Addr.h"
#if !defined (ACE_MEM_STREAM_MIN_BUFFER)
# define ACE_MEM_STREAM_MIN_BUFFER 4096
#endif /* ACE_MEM_STREAM_MIN_BUFFER */
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
class ACE_MEM_Acceptor;
class ACE_MEM_Connector;
/**
* @class ACE_MEM_Stream
*
* @brief Defines the methods in the ACE_MEM_Stream abstraction.
*
* This adds additional wrapper methods atop the ACE_MEM_IO
* class. Notice that ACE_MEM_Stream can only send messages no bigger
* than the underlying MMAP file size minus sizeof (ACE_MEM_SAP_Node).
* The size of the MMAP file is default to ACE_MEM_STREAM_MIN_BUFFER.
* (Define above in this file, to 4096 bytes.)
* If you need to increase the size of allowable message
* ACE_MEM_Stream can handle, you can set it to either
* @c ACE_MEM_Acceptor::malloc_options(). minimal_bytes_
* @c ACE_MEM_Acceptor::init_buffer_size (size_t size);
* before establishing a connection.
*/
class ACE_Export ACE_MEM_Stream : public ACE_MEM_IO
{
public:
friend class ACE_MEM_Acceptor;
friend class ACE_MEM_Connector;
// Initialization and termination methods.
/// Constructor.
ACE_MEM_Stream (void);
/// Constructor (sets the underlying ACE_HANDLE with <h>).
ACE_MEM_Stream (ACE_HANDLE h);
/// Destructor.
~ACE_MEM_Stream (void);
//= The following two methods use write and read system calls.
/// Send n bytes, keep trying until n are sent.
/// Recv n bytes, keep trying until n are received.
ssize_t send_n (const void *buf, size_t n);
ssize_t recv_n (void *buf, size_t n);
// = The following two methods use the send and recv system calls.
/// Send n bytes, keep trying until n are sent.
/// Recv n bytes, keep trying until n are received.
ssize_t send_n (const void *buf, size_t n, int flags);
ssize_t recv_n (void *buf, size_t n, int flags);
// = Selectively close endpoints.
/// Close down the reader.
int close_reader (void);
/// Close down the writer.
int close_writer (void);
/**
* Close down the socket (we need this to make things work correctly
* on Win32, which requires use to do a <close_writer> before doing
* the close to avoid losing data).
*/
int close (void);
// = Meta-type info
typedef ACE_Addr PEER_ADDR;
/// Dump the state of an object.
void dump (void) const;
/// Declare the dynamic allocation hooks.
ACE_ALLOC_HOOK_DECLARE;
};
ACE_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "ace/MEM_Stream.inl"
#endif /* __ACE_INLINE__ */
#endif /* ACE_HAS_POSITION_INDEPENDENT_POINTERS == 1 */
#include /**/ "ace/post.h"
#endif /* ACE_MEM_STREAM_H */
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