summaryrefslogtreecommitdiffstats
path: root/testing/mochitest/ShutdownLeaksCollector.jsm
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /testing/mochitest/ShutdownLeaksCollector.jsm
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'testing/mochitest/ShutdownLeaksCollector.jsm')
-rw-r--r--testing/mochitest/ShutdownLeaksCollector.jsm54
1 files changed, 54 insertions, 0 deletions
diff --git a/testing/mochitest/ShutdownLeaksCollector.jsm b/testing/mochitest/ShutdownLeaksCollector.jsm
new file mode 100644
index 000000000..4786b65dc
--- /dev/null
+++ b/testing/mochitest/ShutdownLeaksCollector.jsm
@@ -0,0 +1,54 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var Ci = Components.interfaces;
+var Cc = Components.classes;
+var Cu = Components.utils;
+
+Cu.import("resource://gre/modules/Services.jsm");
+
+this.EXPORTED_SYMBOLS = ["ContentCollector"];
+
+// This listens for the message "browser-test:collect-request". When it gets it,
+// it runs some GCs and CCs, then prints out a message indicating the collections
+// are complete. Mochitest uses this information to determine when windows and
+// docshells should be destroyed.
+
+var ContentCollector = {
+ init: function() {
+ let processType = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULRuntime).processType;
+ if (processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT) {
+ // In the main process, we handle triggering collections in browser-test.js
+ return;
+ }
+
+ let cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"]
+ .getService(Ci.nsISyncMessageSender);
+ cpmm.addMessageListener("browser-test:collect-request", this);
+ },
+
+ receiveMessage: function(aMessage) {
+ switch (aMessage.name) {
+ case "browser-test:collect-request":
+ Services.obs.notifyObservers(null, "memory-pressure", "heap-minimize");
+
+ Cu.forceGC();
+ Cu.forceCC();
+
+ Cu.schedulePreciseShrinkingGC(() => {
+ Cu.forceCC();
+
+ let pid = Cc["@mozilla.org/xre/app-info;1"].getService(Ci.nsIXULRuntime).processID;
+ dump("Completed ShutdownLeaks collections in process " + pid + "\n")});
+
+ let cpmm = Cc["@mozilla.org/childprocessmessagemanager;1"]
+ .getService(Ci.nsISyncMessageSender);
+ cpmm.removeMessageListener("browser-test:collect-request", this);
+
+ break;
+ }
+ }
+
+};
+ContentCollector.init();