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// -*- C++ -*-
//=============================================================================
/**
* @file os_dlfcn.h
*
* dynamic linking
*
* $Id$
*
* @author Don Hinton <dhinton@dresystems.com>
* @author This code was originally in various places including ace/OS.h.
*/
//=============================================================================
#ifndef ACE_OS_INCLUDE_OS_DLFCN_H
#define ACE_OS_INCLUDE_OS_DLFCN_H
#include "ace/pre.h"
#include "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#if !defined (ACE_LACKS_DLFCN_H)
# if defined (ACE_HAS_DLFCN_H_BROKEN_EXTERN_C)
extern "C" {
# endif /* ACE_HAS_DLFCN_H_BROKEN_EXTERN_C */
# include /**/ <dlfcn.h>
# if defined (ACE_HAS_DLFCN_H_BROKEN_EXTERN_C)
}
# endif /* ACE_HAS_DLFCN_H_BROKEN_EXTERN_C */
#endif /* !ACE_LACKS_DLFCN_H */
#if defined (ACE_PSOS)
typedef ACE_HANDLE ACE_SHLIB_HANDLE;
# define ACE_SHLIB_INVALID_HANDLE ACE_INVALID_HANDLE
# define ACE_DEFAULT_SHLIB_MODE 0
#elif defined (ACE_WIN32)
// Dynamic loading-related types - used for dlopen and family.
typedef HINSTANCE ACE_SHLIB_HANDLE;
# define ACE_SHLIB_INVALID_HANDLE 0
# define ACE_DEFAULT_SHLIB_MODE 0
#endif /* ACE_PSOS */
/* Set the proper handle type for dynamically-loaded libraries. */
/* Also define a default 'mode' for loading a library - the names and values */
/* differ between OSes, so if you write code that uses the mode, be careful */
/* of the platform differences. */
# if defined (ACE_HAS_SVR4_DYNAMIC_LINKING)
typedef void *ACE_SHLIB_HANDLE;
# define ACE_SHLIB_INVALID_HANDLE 0
# if defined (__KCC) && defined(RTLD_GROUP) && defined(RTLD_NODELETE)
# define ACE_DEFAULT_SHLIB_MODE RTLD_LAZY | RTLD_GROUP | RTLD_NODELETE
# else
# define ACE_DEFAULT_SHLIB_MODE RTLD_LAZY
# endif /* KCC */
# elif defined (__hpux)
# if defined(__GNUC__) || __cplusplus >= 199707L
# include /**/x <dl.h>
# else
# include /**/x <cxxdl.h>
# endif /* (g++ || HP aC++) vs. HP C++ */
typedef shl_t ACE_SHLIB_HANDLE;
# define ACE_SHLIB_INVALID_HANDLE 0
# define ACE_DEFAULT_SHLIB_MODE BIND_DEFERRED
# else
typedef void *ACE_SHLIB_HANDLE;
# define ACE_SHLIB_INVALID_HANDLE 0
# define ACE_DEFAULT_SHLIB_MODE RTLD_LAZY
# endif /* ACE_HAS_SVR4_DYNAMIC_LINKING */
#if !defined (RTLD_LAZY)
#define RTLD_LAZY 1
#endif /* !RTLD_LAZY */
#if !defined (RTLD_NOW)
#define RTLD_NOW 2
#endif /* !RTLD_NOW */
#if !defined (RTLD_GLOBAL)
#define RTLD_GLOBAL 3
#endif /* !RTLD_GLOBAL */
#include "ace/post.h"
#endif /* ACE_OS_INCLUDE_OS_DLFCN_H */
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