77ec80538a
syncs: add Semaphore
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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-03-23 12:39:28 -07:00
c431382720
Fix receiver in order to be consistent: syncs.WaitGroupChan
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Signed-off-by: Dmytro Tananayskiy <dmitriyminer@gmail.com>
2020-11-24 17:20:34 -08:00
9ab2b32569
syncs: add Watch, for monitoring mutex contention
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Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
2020-09-11 11:36:07 -07:00
bf24d54143
syncs: add AssertLocked
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This allows us to check lock invariants.
It was proposed upstream and rejected in:
https://github.com/golang/go/issues/1366
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
2020-09-09 12:27:52 -07:00
d3134ad0c8
syncs: add AtomicBool
2020-05-29 12:41:30 -07:00
b4d02a251a
syncs: add new package for extra sync types
2020-03-12 11:13:33 -07:00
Brad Fitzpatrick
Dmytro Tananayskiy
Josh Bleecher Snyder