1 files changed, 121 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/components/xcDll.h b/src/libs/xpcom18a4/xpcom/components/xcDll.h
new file mode 100644
index 00000000..5de5b0eb
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/components/xcDll.h
@@ -0,0 +1,121 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/* Dll
+ *
+ * Programmatic representation of a dll. Stores modifiedTime and size for
+ * easy detection of change in dll.
+ *
+ * dp Suresh <dp@netscape.com>
+ */
+
+#ifndef xcDll_h__
+#define xcDll_h__
+
+#include "prio.h"
+#include "prlink.h"
+#include "nsISupports.h"
+#include "nsILocalFile.h"
+#include "nsCOMPtr.h"
+#include "nsString.h"
+
+class nsNativeComponentLoader;
+
+#if defined(DEBUG) && !defined(XP_BEOS)
+#define SHOULD_IMPLEMENT_BREAKAFTERLOAD
+#endif
+
+class nsIModule;
+class nsIServiceManager;
+
+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:
+    nsCOMPtr<nsIFile>         m_dllSpec; 
+    PRLibrary                *m_instance;	
+    nsIModule                *m_moduleObject;
+    nsNativeComponentLoader  *m_loader;
+    PRBool                    m_markForUnload;
+
+    void Init(nsIFile *dllSpec);
+
+#ifdef SHOULD_IMPLEMENT_BREAKAFTERLOAD
+    void BreakAfterLoad(const char *nsprPath);
+#endif
+
+public:
+ 
+	nsDll(nsIFile *dllSpec, nsNativeComponentLoader* loader);
+	~nsDll(void);
+
+	// Dll Loading
+	PRBool Load(void);
+	PRBool Unload(void);
+	PRBool IsLoaded(void)
+	{
+		return ((m_instance != 0) ? PR_TRUE : PR_FALSE);
+	}
+    void MarkForUnload(PRBool mark) { m_markForUnload = mark; }
+    PRBool IsMarkedForUnload(void) { return m_markForUnload; }
+
+    // Shutdown the dll. This will call any on unload hook for the dll.
+    // This wont unload the dll. Unload() implicitly calls Shutdown().
+    nsresult Shutdown(void);
+
+	void *FindSymbol(const char *symbol);
+	
+    PRBool HasChanged(void);
+
+    void GetDisplayPath(nsACString& string);
+
+	PRLibrary *GetInstance(void) { return (m_instance); }
+
+    // NS_RELEASE() is required to be done on objects returned
+    nsresult GetDllSpec(nsIFile **dllSpec);
+    nsresult GetModule(nsISupports *servMgr, nsIModule **mobj);
+};
+
+#endif /* xcDll_h__ */