gecko-dev/xpcom/components/xcDll.h
1999-02-03 15:39:13 +00:00

70 lines
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/* Dll
*
* Programmatic representation of a dll. Stores modifiedTime and size for
* easy detection of change in dll.
*
* dp Suresh <dp@netscape.com>
*/
#include "prio.h"
#include "prlink.h"
typedef enum nsDllStatus
{
DLL_OK = 0,
DLL_NO_MEM = 1,
DLL_STAT_ERROR = 2,
DLL_NOT_FILE = 3,
DLL_INVALID_PARAM = 4
} nsDllStatus;
class nsDll
{
private:
char *m_fullpath; // system format full filename of dll
PRTime m_lastModTime; // last modified time
PRUint64 m_size; // size of the dynamic library
PRLibrary *m_instance; // Load instance
nsDllStatus m_status; // holds current status
public:
nsDll(const char *libFullPath);
~nsDll(void);
// Status checking on operations completed
nsDllStatus GetStatus(void) { return (m_status); }
// Dll Loading
PRBool Load(void);
PRBool Unload(void);
PRBool IsLoaded(void)
{
return ((m_instance != 0) ? PR_TRUE : PR_FALSE);
}
void *FindSymbol(const char *symbol);
const char *GetFullPath(void) { return (m_fullpath); }
PRTime GetLastModifiedTime(void) { return(m_lastModTime); }
PRUint64 GetSize(void) { return(m_size); }
PRLibrary *GetInstance(void) { return (m_instance); }
};