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Bug 1054929: Don't hand out stale fds from the TabChild cache. r=bent

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This commit is contained in:
Kyle Huey 2014-08-27 12:15:30 -07:00
parent 237bb2bda2
commit 4757f3397e
2 changed files with 8 additions and 1 deletions
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2
dom/ipc/TabChild.cpp
View File

@ -1532,6 +1532,8 @@ TabChild::DestroyWindow()
runnable->Dispatch();
}
}
mCachedFileDescriptorInfos.Clear();
}
void

7
dom/ipc/TabParent.cpp
View File

@ -149,7 +149,12 @@ private:
FileDescriptor::PlatformHandleType handle =
FileDescriptor::PlatformHandleType(PR_FileDesc2NativeHandle(mFD));
mozilla::unused << tabParent->SendCacheFileDescriptor(mPath, FileDescriptor(handle));
// Our TabParent may have been destroyed already. If so, don't send any
// fds over, just go back to the IO thread and close them.
if (!tabParent->IsDestroyed()) {
mozilla::unused << tabParent->SendCacheFileDescriptor(mPath,
FileDescriptor(handle));
}
nsCOMPtr<nsIEventTarget> eventTarget;
mEventTarget.swap(eventTarget);