add ipcModuleMethods::init

modules/ipc/daemon/ipcCommandModule.cpp

@@ -148,6 +148,10 @@ struct ipcCommandModule
     // ipcModule interface impl
     //
 
+    static void Init()
+    {
+    }
+
     static void Shutdown()
     {
     }
@@ -187,6 +191,7 @@ ipcModuleMethods *IPC_GetCommandModuleMethods()
     static ipcModuleMethods methods =
     {
         IPC_MODULE_METHODS_VERSION,
+        ipcCommandModule::Init,
         ipcCommandModule::Shutdown,
         ipcCommandModule::HandleMsg
     };

modules/ipc/daemon/ipcModule.h

@@ -72,6 +72,11 @@ struct ipcModuleMethods
     //
     PRUint32 version;
 
+    //
+    // called after this module is registered.
+    //
+    void (* init) (void);
+
     //
     // called when this module will no longer be accessed.
     //

modules/ipc/daemon/ipcModuleReg.cpp

@@ -117,8 +117,11 @@ InitModuleFromLib(const char *modulesDir, const char *fileName)
         if (func) {
             ipcModuleEntry *entries = NULL;
             int count = func(&gDaemonMethods, &entries);
-            for (int i=0; i<count; ++i)
+            for (int i=0; i<count; ++i) {
                 AddModule(entries[i].target, entries[i].methods, PR_LoadLibrary(buf));
+                if (entries[i].methods->init)
+                    entries[i].methods->init();
+            }
         }
         PR_UnloadLibrary(lib);
     }

modules/ipc/testmodule/TestModule.cpp

@@ -12,6 +12,11 @@ static const nsID TestModuleID =
 
 struct TestModule
 {
+    static void Init()
+    {
+        printf("*** TestModule::Init\n");
+    }
+
     static void Shutdown()
     {
         printf("*** TestModule::Shutdown\n");
@@ -30,6 +35,7 @@ struct TestModule
 static ipcModuleMethods gTestMethods =
 {
     IPC_MODULE_METHODS_VERSION,
+    TestModule::Init,
     TestModule::Shutdown,
     TestModule::HandleMsg
 };