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| author | wolfbeast <mcwerewolf@gmail.com> | 2018-09-10 22:12:07 +0200 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@gmail.com> | 2018-09-10 22:12:07 +0200 |
| commit | 4c1f33b169b74dce2af414db30fcf113c4bf2a56 (patch) | |
| tree | 557acf70c9ceb55f2ebe0efc743ea585dfa1dbb7 /layout/base/nsRefreshDriver.cpp | |
| parent | 2e9c525a91b66038dafcc2ef97dd436164ab65f6 (diff) | |
| download | UXP-4c1f33b169b74dce2af414db30fcf113c4bf2a56.tar UXP-4c1f33b169b74dce2af414db30fcf113c4bf2a56.tar.gz UXP-4c1f33b169b74dce2af414db30fcf113c4bf2a56.tar.lz UXP-4c1f33b169b74dce2af414db30fcf113c4bf2a56.tar.xz UXP-4c1f33b169b74dce2af414db30fcf113c4bf2a56.zip | |
Bug 1470260 - Part 1: Ensure that 'this' stays alive for the duration of the TickRefreshDriver call.
Diffstat (limited to 'layout/base/nsRefreshDriver.cpp')
| -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); } |