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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /toolkit/components/normandy/lib/CleanupManager.sys.mjs
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/components/normandy/lib/CleanupManager.sys.mjs')
-rw-r--r--toolkit/components/normandy/lib/CleanupManager.sys.mjs49
1 files changed, 49 insertions, 0 deletions
diff --git a/toolkit/components/normandy/lib/CleanupManager.sys.mjs b/toolkit/components/normandy/lib/CleanupManager.sys.mjs
new file mode 100644
index 0000000000..9101f0f63c
--- /dev/null
+++ b/toolkit/components/normandy/lib/CleanupManager.sys.mjs
@@ -0,0 +1,49 @@
+/* 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/. */
+
+const lazy = {};
+
+ChromeUtils.defineESModuleGetters(lazy, {
+ AsyncShutdown: "resource://gre/modules/AsyncShutdown.sys.mjs",
+});
+
+class CleanupManagerClass {
+ constructor() {
+ this.handlers = new Set();
+ this.cleanupPromise = null;
+ }
+
+ addCleanupHandler(handler) {
+ this.handlers.add(handler);
+ }
+
+ removeCleanupHandler(handler) {
+ this.handlers.delete(handler);
+ }
+
+ async cleanup() {
+ if (this.cleanupPromise === null) {
+ this.cleanupPromise = (async () => {
+ for (const handler of this.handlers) {
+ try {
+ await handler();
+ } catch (ex) {
+ console.error(ex);
+ }
+ }
+ })();
+
+ // Block shutdown to ensure any cleanup tasks that write data are
+ // finished.
+ lazy.AsyncShutdown.profileBeforeChange.addBlocker(
+ "ShieldRecipeClient: Cleaning up",
+ this.cleanupPromise
+ );
+ }
+
+ return this.cleanupPromise;
+ }
+}
+
+export var CleanupManager = new CleanupManagerClass();