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path: root/0018-bmo-1516081-Disable-watchdog-during-PGO-builds.patch
blob: 3b689473def94363d0b5d91170d76e6614e596fe (plain)
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diff --git a/toolkit/components/terminator/nsTerminator.cpp b/toolkit/components/terminator/nsTerminator.cpp
index 194bb36e2d..c960d44137 100644
--- a/toolkit/components/terminator/nsTerminator.cpp
+++ b/toolkit/components/terminator/nsTerminator.cpp
@@ -466,6 +466,13 @@ void nsTerminator::StartWatchdog() {
   }
 #endif
 
+  // Disable watchdog for PGO train builds - writting profile information at
+  // exit may take time and it is better to make build hang rather than
+  // silently produce poorly performing binary.
+#ifdef MOZ_PROFILE_INSTRUMENTATION
+  crashAfterMS = INT32_MAX;
+#endif
+
   UniquePtr<Options> options(new Options());
   const PRIntervalTime ticksDuration =
       PR_MillisecondsToInterval(HEARTBEAT_INTERVAL_MS);
-- 
2.34.1