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/* 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/. */
import { GeckoViewUtils } from "resource://gre/modules/GeckoViewUtils.sys.mjs";
import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs";
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
EventDispatcher: "resource://gre/modules/Messaging.sys.mjs",
});
const { debug, warn } = GeckoViewUtils.initLogging("ChildCrashHandler");
function getDir(name) {
const uAppDataPath = Services.dirsvc.get("UAppData", Ci.nsIFile).path;
return PathUtils.join(uAppDataPath, "Crash Reports", name);
}
function getPendingMinidump(id) {
const pendingDir = getDir("pending");
return [".dmp", ".extra"].map(suffix => {
return PathUtils.join(pendingDir, `${id}${suffix}`);
});
}
export var ChildCrashHandler = {
// The event listener for this is hooked up in GeckoViewStartup.jsm
observe(aSubject, aTopic, aData) {
if (
aTopic !== "ipc:content-shutdown" &&
aTopic !== "compositor:process-aborted"
) {
return;
}
aSubject.QueryInterface(Ci.nsIPropertyBag2);
const disableReporting = Services.env.get("MOZ_CRASHREPORTER_NO_REPORT");
if (
!aSubject.get("abnormal") ||
!AppConstants.MOZ_CRASHREPORTER ||
disableReporting
) {
return;
}
// If dumpID is empty the process was likely killed by the system and we therefore do not want
// to report the crash.
const dumpID = aSubject.get("dumpID");
if (!dumpID) {
Services.telemetry
.getHistogramById("FX_CONTENT_CRASH_DUMP_UNAVAILABLE")
.add(1);
return;
}
debug`Notifying child process crash, dump ID ${dumpID}`;
const [minidumpPath, extrasPath] = getPendingMinidump(dumpID);
// Report GPU process crashes as occuring in a background process, and others as foreground.
const processType =
aTopic === "compositor:process-aborted"
? "BACKGROUND_CHILD"
: "FOREGROUND_CHILD";
lazy.EventDispatcher.instance.sendRequest({
type: "GeckoView:ChildCrashReport",
minidumpPath,
extrasPath,
success: true,
fatal: false,
processType,
});
},
};
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