hpux_dll.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:4k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "dllacces.h"
- #include <dl.h>
- #include <errno.h>
- #include "platform/unix/unix_dll_common.h"
- static const char ErrLibNotValid[] = "File not a valid shared library";
- static const char ErrNoRoom[] = "Insufficient room in address space";
- static const char ErrDoesNotExist[] = "Library does not exist";
- static const char ErrNoPermission[] = "Read/Execute permission is denied for lib";
- static const char ErrUnknown[] = "Unknown error";
- static const char ErrSymbolNotCount[] = "Symbol not found";
- class HPUXDLLAccess : public DLLAccessImp
- {
- public:
- HPUXDLLAccess();
- virtual ~HPUXDLLAccess();
- virtual int Open(const char* dllName);
- virtual int Close() ;
- virtual void* GetSymbol(const char* symbolName);
- virtual const char* GetErrorStr() const;
- virtual char* CreateVersionStr(const char* dllName) const;
- virtual void CreateName(const char* short_name, const char* long_name,
- char* out_buf, UINT32& out_buf_len,
- UINT32 nMajor, UINT32 nMinor)
- {
- UnixCreateName(short_name, long_name, out_buf, out_buf_len,
- nMajor, nMinor);
- }
- private:
- shl_t m_handle;
- const char* m_pErrorStr;
- };
- HPUXDLLAccess::HPUXDLLAccess() :
- m_handle(0)
- {}
- HPUXDLLAccess::~HPUXDLLAccess()
- {
- if (m_handle)
- {
- Close();
- }
- }
- int HPUXDLLAccess::Open(const char* dllName)
- {
- int ret = DLLAccess::NO_LOAD;
- if (m_handle)
- {
- Close();
- }
- m_handle = shl_load(dllName, BIND_DEFERRED, 0L);
- if (m_handle)
- {
- ret = DLLAccess::DLL_OK;
- }
- else
- {
- switch(errno) {
- case ENOEXEC:
- m_pErrorStr = ErrLibNotValid;
- break;
- case ENOMEM:
- m_pErrorStr = ErrNoRoom;
- break;
- case ENOENT:
- m_pErrorStr = ErrDoesNotExist;
- break;
- case EACCES:
- m_pErrorStr = ErrNoPermission;
- break;
- default:
- m_pErrorStr = ErrUnknown;
- break;
- };
- }
- HandleHXStopOnLoad(dllName);
- return ret;
- }
- int HPUXDLLAccess::Close()
- {
- int ret = DLLAccess::NO_LOAD;
- if (m_handle)
- {
- shl_unload(m_handle);
- m_handle = 0;
- ret = DLLAccess::DLL_OK;
- }
- return ret;
- }
- void* HPUXDLLAccess::GetSymbol(const char* symbolName)
- {
- void* pRet = 0;
- int rc = shl_findsym(&m_handle, symbolName, TYPE_UNDEFINED, &pRet);
- if(rc < 0)
- {
- m_pErrorStr = ErrSymbolNotCount;
- pRet = 0;
- }
- return pRet;
- }
- const char* HPUXDLLAccess::GetErrorStr() const
- {
- return m_pErrorStr;
- }
- char* HPUXDLLAccess::CreateVersionStr(const char* dllName) const
- {
- return UnixFindDLLVersion(dllName);
- }
- DLLAccessImp* DLLAccess::CreatePlatformDLLImp()
- {
- return new HPUXDLLAccess();
- }