Backout patch from Roland Boon in bug 386826 due to RLk increase.

browser/app/nsBrowserApp.cpp

@@ -115,7 +115,16 @@ int main(int argc, char* argv[])
 
   // Allow firefox.exe to launch XULRunner apps via -app <application.ini>
   // Note that -app must be the *first* argument.
-  if (argc > 1 && IsArg(argv[1], "app")) {
+  char *appEnv = nsnull;
+  const char *appDataFile = PR_GetEnv("XUL_APP_FILE");
+  if (appDataFile && *appDataFile) {
+    rv = XRE_GetFileFromPath(appDataFile, getter_AddRefs(appini));
+    if (NS_FAILED(rv)) {
+      Output("Invalid path found: '%s'", appDataFile);
+      return 255;
+    }
+  }
+  else if (argc > 1 && IsArg(argv[1], "app")) {
     if (argc == 2) {
       Output("Incorrect number of arguments passed to -app");
       return 255;
@@ -127,6 +136,8 @@ int main(int argc, char* argv[])
       return 255;
     }
 
+    appEnv = PR_smprintf("XUL_APP_FILE=%s", argv[2]);
+    PR_SetEnv(appEnv);
     argv[2] = argv[0];
     argv += 2;
     argc -= 2;
@@ -139,10 +150,10 @@ int main(int argc, char* argv[])
     return 255;
   }
 
-  XRE_SetAppDataFile(appini);
-
   int result = XRE_main(argc, argv, appData);
   XRE_FreeAppData(appData);
+  if (appEnv)
+    PR_smprintf_free(appEnv);
   return result;
 }
 

toolkit/xre/nsAppRunner.cpp

@@ -1558,7 +1558,7 @@ static nsresult LaunchChild(nsINativeAppSupport* aNative,
   // if supported by the platform.  Otherwise, use NSPR.
  
   if (aBlankCommandLine) {
-    gRestartArgc = 1 + (gRestartArgc - gArgc);
+    gRestartArgc = 1;
     gRestartArgv[gRestartArgc] = nsnull;
   }
 
@@ -2248,6 +2248,34 @@ static void RemoveComponentRegistries(nsIFile* aProfileDir, nsIFile* aLocalProfi
   file->Remove(PR_FALSE);
 }
 
+// To support application initiated restart via nsIAppStartup.quit, we
+// need to save various environment variables, and then restore them
+// before re-launching the application.
+
+static struct {
+  const char *name;
+  char *value;
+} gSavedVars[] = {
+  {"XUL_APP_FILE", nsnull}
+};
+
+static void SaveStateForAppInitiatedRestart()
+{
+  for (size_t i = 0; i < NS_ARRAY_LENGTH(gSavedVars); ++i) {
+    const char *s = PR_GetEnv(gSavedVars[i].name);
+    if (s)
+      gSavedVars[i].value = PR_smprintf("%s=%s", gSavedVars[i].name, s);
+  }
+}
+
+static void RestoreStateForAppInitiatedRestart()
+{
+  for (size_t i = 0; i < NS_ARRAY_LENGTH(gSavedVars); ++i) {
+    if (gSavedVars[i].value)
+      PR_SetEnv(gSavedVars[i].value);
+  }
+}
+
 #ifdef MOZ_CRASHREPORTER
 // When we first initialize the crash reporter we don't have a profile,
 // so we set the minidump path to $TEMP.  Once we have a profile,
@@ -2275,12 +2303,6 @@ static void MakeOrSetMinidumpPath(nsIFile* profD)
 #endif
 
 const nsXREAppData* gAppData = nsnull;
-nsILocalFile* gAppDataFile = nsnull;
- 
-void XRE_SetAppDataFile(nsILocalFile* aAppDataFile)
-{
-  SetStrongPtr(gAppDataFile, aAppDataFile);
-}
 
 #if defined(XP_OS2)
 // because we use early returns, we use a stack-based helper to un-set the OS2 FP handler
@@ -2606,28 +2628,14 @@ XRE_main(int argc, char* argv[], const nsXREAppData* aAppData)
   PR_SetEnv("MOZ_LAUNCHED_CHILD=");
 
   gRestartArgc = gArgc;
-  if (gAppDataFile) {
-    gRestartArgc += 2;
-  }
-  gRestartArgv = (char**) malloc(sizeof(char*) * (gRestartArgc + 1));
+  gRestartArgv = (char**) malloc(sizeof(char*) * (gArgc + 1));
   if (!gRestartArgv) return 1;
 
-  int i = 0;
-  int j = 0;
-  if (gAppDataFile) {
-    // The first argument is the path to the executable. It needs to remain the first argument.
-    if (gArgc) {
-      gRestartArgv[j++] = gArgv[i++];
+  int i;
+  for (i = 0; i < gArgc; ++i) {
+    gRestartArgv[i] = gArgv[i];
   }
-    nsCAutoString iniPath;
-    gAppDataFile->GetNativePath(iniPath);
-    gRestartArgv[j++] = "--app";
-    gRestartArgv[j++] = strdup(iniPath.get());
-  }
-  while (i < gArgc) {
-    gRestartArgv[j++] = gArgv[i++];
-  }
-  gRestartArgv[gRestartArgc] = nsnull;
+  gRestartArgv[gArgc] = nsnull;
 
 #if defined(XP_OS2)
   PRBool StartOS2App(int aArgc, char **aArgv);
@@ -3080,6 +3088,8 @@ XRE_main(int argc, char* argv[], const nsXREAppData* aAppData)
         }
 
         if (!upgraded && !needsRestart) {
+          SaveStateForAppInitiatedRestart();
+
           // clear out any environment variables which may have been set 
           // during the relaunch process now that we know we won't be relaunching.
           PR_SetEnv("XRE_PROFILE_PATH=");
@@ -3088,6 +3098,7 @@ XRE_main(int argc, char* argv[], const nsXREAppData* aAppData)
           PR_SetEnv("XRE_START_OFFLINE=");
           PR_SetEnv("XRE_IMPORT_PROFILES=");
           PR_SetEnv("NO_EM_RESTART=");
+          PR_SetEnv("XUL_APP_FILE=");
           PR_SetEnv("XRE_BINARY_PATH=");
 
 #ifdef XP_MACOSX
@@ -3178,7 +3189,10 @@ XRE_main(int argc, char* argv[], const nsXREAppData* aAppData)
 
     // Restart the app after XPCOM has been shut down cleanly. 
     if (needsRestart) {
-      if (!appInitiatedRestart) {
+      if (appInitiatedRestart) {
+        RestoreStateForAppInitiatedRestart();
+      }
+      else {
         char* noEMRestart = PR_GetEnv("NO_EM_RESTART");
         if (noEMRestart && *noEMRestart) {
           PR_SetEnv("NO_EM_RESTART=1");

toolkit/xre/nsXULAppAPI.h

@@ -403,13 +403,4 @@ XRE_API(nsresult,
 XRE_API(void,
         XRE_FreeAppData, (nsXREAppData *aAppData))
 
-/**
- * Stores the  application.ini file to pass as an argument during a
- * possible restart. It should be called before calling XRE_main().
- *
- * @param aINIFile The application.ini file to store.
- */
-XRE_API(void,
-        XRE_SetAppDataFile, (nsILocalFile* aINIFile))
-
 #endif // _nsXULAppAPI_h__

xulrunner/app/nsXULRunnerApp.cpp

@@ -402,6 +402,9 @@ int main(int argc, char* argv[])
     }
   }
 
+  const char *appDataFile = PR_GetEnv("XUL_APP_FILE");
+
+  if (!(appDataFile && *appDataFile)) {
     if (argc < 2) {
       Usage(argv[0]);
       return 1;
@@ -417,11 +420,16 @@ int main(int argc, char* argv[])
       --argc;
     }
 
-  const char *appDataFile = argv[1];
+    appDataFile = argv[1];
     argv[1] = argv[0];
     ++argv;
     --argc;
 
+    static char kAppEnv[MAXPATHLEN];
+    PR_snprintf(kAppEnv, MAXPATHLEN, "XUL_APP_FILE=%s", appDataFile);
+    PR_SetEnv(kAppEnv);
+  }
+
   nsCOMPtr<nsILocalFile> appDataLF;
   nsresult rv = XRE_GetFileFromPath(appDataFile, getter_AddRefs(appDataLF));
   if (NS_FAILED(rv)) {
@@ -435,8 +443,6 @@ int main(int argc, char* argv[])
     return 2;
   }
 
-  XRE_SetAppDataFile(appDataLF);
-
   return XRE_main(argc, argv, appData);
 }