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110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
// -*- C++ -*-
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//=============================================================================
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/**
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* @file os_dlfcn.h
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*
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* dynamic linking
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*
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* $Id: os_dlfcn.h 94379 2011-08-09 17:18:49Z johnnyw $
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*
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* @author Don Hinton <dhinton@dresystems.com>
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* @author This code was originally in various places including ace/OS.h.
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*/
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//=============================================================================
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#ifndef ACE_OS_INCLUDE_OS_DLFCN_H
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#define ACE_OS_INCLUDE_OS_DLFCN_H
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#include /**/ "ace/pre.h"
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#include /**/ "ace/config-all.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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#if !defined (ACE_LACKS_DLFCN_H)
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# include /**/ <dlfcn.h>
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#endif /* !ACE_LACKS_DLFCN_H */
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#if defined (__hpux)
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# if defined(__GNUC__) || __cplusplus >= 199707L
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# include /**/ <dl.h>
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# else
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# include /**/ <cxxdl.h>
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# endif /* (g++ || HP aC++) vs. HP C++ */
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#endif /* __hpux */
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#if defined (ACE_VXWORKS) && !defined (__RTP__)
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# include /**/ <loadLib.h> /* for module load */
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# include /**/ <unldLib.h> /* for module unload */
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# include /**/ <symLib.h> /* for findSymbol */
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# include /**/ <sysSymTbl.h> /* for global symbol table */
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#endif /* ACE_VXWORKS */
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// Place all additions (especially function declarations) within extern "C" {}
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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/* Set the proper handle type for dynamically-loaded libraries. */
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/* Also define a default 'mode' for loading a library - the names and values */
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/* differ between OSes, so if you write code that uses the mode, be careful */
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/* of the platform differences. */
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#if defined (ACE_WIN32)
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// Dynamic loading-related types - used for dlopen and family.
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typedef HINSTANCE ACE_SHLIB_HANDLE;
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# if !defined (ACE_SHLIB_INVALID_HANDLE)
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# define ACE_SHLIB_INVALID_HANDLE 0
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# endif /* ACE_SHLIB_INVALID_HANDLE */
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# if !defined (ACE_DEFAULT_SHLIB_MODE)
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# define ACE_DEFAULT_SHLIB_MODE 0
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# endif /* ACE_DEFAULT_SHLIB_MODE */
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#elif defined (ACE_HAS_SVR4_DYNAMIC_LINKING)
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typedef void *ACE_SHLIB_HANDLE;
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# if !defined (ACE_SHLIB_INVALID_HANDLE)
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# define ACE_SHLIB_INVALID_HANDLE 0
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# endif /* ACE_SHLIB_INVALID_HANDLE */
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// This is needed to for dynamic_cast to work properly on objects passed to
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// libraries.
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# if !defined (ACE_DEFAULT_SHLIB_MODE)
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# define ACE_DEFAULT_SHLIB_MODE RTLD_LAZY | RTLD_GLOBAL
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# endif
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#elif defined (__hpux)
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typedef shl_t ACE_SHLIB_HANDLE;
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# if !defined (ACE_SHLIB_INVALID_HANDLE)
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# define ACE_SHLIB_INVALID_HANDLE 0
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# endif /* ACE_SHLIB_INVALID_HANDLE */
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# if !defined (ACE_DEFAULT_SHLIB_MODE)
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# define ACE_DEFAULT_SHLIB_MODE BIND_DEFERRED | DYNAMIC_PATH
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# endif /* ACE_DEFAULT_SHLIB_MODE */
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#else /* !ACE_WIN32 && !ACE_HAS_SVR4_DYNAMIC_LINKING && !__hpux */
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typedef void *ACE_SHLIB_HANDLE;
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# if !defined (ACE_SHLIB_INVALID_HANDLE)
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# define ACE_SHLIB_INVALID_HANDLE 0
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# endif /* ACE_SHLIB_INVALID_HANDLE */
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# if !defined (ACE_DEFAULT_SHLIB_MODE)
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# define ACE_DEFAULT_SHLIB_MODE RTLD_LAZY
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# endif /* ACE_DEFAULT_SHLIB_MODE */
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#endif /* ACE_WIN32 */
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#if !defined (RTLD_LAZY)
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#define RTLD_LAZY 1
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#endif /* !RTLD_LAZY */
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#if !defined (RTLD_NOW)
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#define RTLD_NOW 2
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#endif /* !RTLD_NOW */
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#if !defined (RTLD_GLOBAL)
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#define RTLD_GLOBAL 3
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#endif /* !RTLD_GLOBAL */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#include /**/ "ace/post.h"
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#endif /* ACE_OS_INCLUDE_OS_DLFCN_H */
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