diff options
| -rw-r--r-- | layout/base/nsRefreshDriver.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/layout/base/nsRefreshDriver.cpp b/layout/base/nsRefreshDriver.cpp index bc1a27852..8a62b517e 100644 --- a/layout/base/nsRefreshDriver.cpp +++ b/layout/base/nsRefreshDriver.cpp @@ -478,6 +478,9 @@ private: bool NotifyVsync(TimeStamp aVsyncTimestamp) override { + // IMPORTANT: All paths through this method MUST hold a strong ref on + // |this| for the duration of the TickRefreshDriver callback. + if (!NS_IsMainThread()) { MOZ_ASSERT(XRE_IsParentProcess()); // Compress vsync notifications such that only 1 may run at a time @@ -498,6 +501,7 @@ private: aVsyncTimestamp); NS_DispatchToMainThread(vsyncEvent); } else { + RefPtr<RefreshDriverVsyncObserver> kungFuDeathGrip(this); TickRefreshDriver(aVsyncTimestamp); } |