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2021-10-26Merge release-20211019.0-38-g2d384f761 (automated)gVisor bot
2021-10-26Change Notify() to use unix.RawSyscall.Bhasker Hariharan
eventfd.Notify() uses unix.Write which will eventually call unix.Syscall which will yield the current go processor resulting in the Go scheduler parking the current goroutine till the syscall returns. But in most cases where Notify() is called there is no reason to yield as the caller probably wants to continue doing something right afterwards. Like in the case of the sharedmem endpoint which may still have more packets to write. PiperOrigin-RevId: 405693801
2021-10-08Merge release-20210927.0-50-ge44b10065 (automated)gVisor bot
2021-10-07add convenient wrapper for eventfdKevin Krakauer
The same create/write/read pattern is copied around several places. It's easier to understand in a package with names and comments, and we can reuse the smart blocking code in package rawfile. PiperOrigin-RevId: 401647108