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104 lines
2.5 KiB
C++
104 lines
2.5 KiB
C++
// -*- C++ -*-
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//=============================================================================
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/**
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* @file OS_NS_errno.h
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*
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* $Id: OS_NS_errno.h 94454 2011-09-08 17:36:56Z johnnyw $
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*
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* @author Douglas C. Schmidt <schmidt@cs.wustl.edu>
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* @author Jesper S. M|ller<stophph@diku.dk>
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* @author and a cast of thousands...
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*
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* Originally in OS.h.
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*/
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//=============================================================================
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#ifndef ACE_OS_NS_ERRNO_H
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# define ACE_OS_NS_ERRNO_H
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# include /**/ "ace/pre.h"
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# include "ace/config-lite.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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#include "ace/os_include/os_errno.h"
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#include /**/ "ace/ACE_export.h"
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#if defined (ACE_EXPORT_MACRO)
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# undef ACE_EXPORT_MACRO
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#endif
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#define ACE_EXPORT_MACRO ACE_Export
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ACE_BEGIN_VERSIONED_NAMESPACE_DECL
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namespace ACE_OS {
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ACE_NAMESPACE_INLINE_FUNCTION
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int last_error (void);
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ACE_NAMESPACE_INLINE_FUNCTION
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void last_error (int error);
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ACE_NAMESPACE_INLINE_FUNCTION
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int set_errno_to_last_error (void);
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ACE_NAMESPACE_INLINE_FUNCTION
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int set_errno_to_wsa_last_error (void);
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} /* namespace ACE_OS */
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#if defined (ACE_HAS_WINCE_BROKEN_ERRNO)
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/**
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* @class ACE_CE_Errno
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*
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* Some versions of CE don't support @c errno and some versions'
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* implementations are busted. So we implement our own.
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* Our implementation takes up one Tls key, however, it does not
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* allocate memory from the heap so there's no problem with cleaning
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* up the errno when a thread exit.
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*/
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class ACE_Export ACE_CE_Errno
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{
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public:
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ACE_CE_Errno () {}
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static void init ();
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static void fini ();
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static ACE_CE_Errno *instance ();
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operator int (void) const;
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int operator= (int);
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private:
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static ACE_CE_Errno *instance_;
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static DWORD errno_key_;
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};
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# define errno (* (ACE_CE_Errno::instance ()))
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#endif /* ACE_HAS_WINCE_BROKEN_ERRNO */
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#if defined (ACE_HAS_WINCE_BROKEN_ERRNO)
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# define ACE_ERRNO_TYPE ACE_CE_Errno
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# define ACE_ERRNO_GET ACE_CE_Errno::instance ()->operator int()
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#else
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# if !defined (ACE_ERRNO_TYPE)
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# define ACE_ERRNO_TYPE int
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# endif /* !ACE_ERRNO_TYPE */
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# define ACE_ERRNO_GET errno
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#endif /* ACE_HAS_WINCE_BROKEN_ERRNO */
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ACE_END_VERSIONED_NAMESPACE_DECL
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# if defined (ACE_HAS_INLINED_OSCALLS)
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# if defined (ACE_INLINE)
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# undef ACE_INLINE
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# endif /* ACE_INLINE */
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# define ACE_INLINE inline
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# include "ace/OS_NS_errno.inl"
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# endif /* ACE_HAS_INLINED_OSCALLS */
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# include /**/ "ace/post.h"
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#endif /* ACE_OS_NS_ERRNO_H */
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