The flake had the call to futex_unlock_pi() returning EINVAL with the
FUTEX_OWNER_DIED set. In this case, userspace has to clean up stale
state. So instead of calling FUTEX_UNLOCK_PI outright, we'll use the
advised atomic compare_exchange as advised in the man page.
PiperOrigin-RevId: 265163920
The test is long running (175128 ms or so) which causes timeouts.
The test simply makes sure that private futexes can acquire
locks concurrently. Dropping current threads and increasing the
number of locks each thread tests the same concurrency concerns
but drops execution time to ~1411 ms.
PiperOrigin-RevId: 264476144
Based on the guidelines at
https://opensource.google.com/docs/releasing/authors/.
1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./'
2. Manual fixup of "Google Inc" references.
3. Add AUTHORS file. Authors may request to be added to this file.
4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS.
Fixes#209
PiperOrigin-RevId: 245823212
Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
It is Implemented without the priority inheritance part given
that gVisor defers scheduling decisions to Go runtime and doesn't
have control over it.
PiperOrigin-RevId: 236989545
Change-Id: I714c8ca0798743ecf3167b14ffeb5cd834302560
Zach Koopmans
Tamir Duberstein
Michael Pratt
Fabricio Voznika
Brian Geffon