997b19545b
syncs: use TryLock and TryRLock instead of unsafe
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The docs say:
Note that while correct uses of TryLock do exist, they are rare,
and use of TryLock is often a sign of a deeper problem in a particular use of mutexes.
Rare code! Or bad code! Who can tell!
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com >
2022-03-17 10:57:41 -07:00
cf8fcc1254
syncs: mark as safe for Go 1.18
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Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com >
2021-10-27 18:10:09 -07:00
d2aa144dcc
syncs: bump known good version to include Go 1.17
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Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com >
2021-08-17 11:13:03 -07:00
a5da4ed981
all: gofmt with Go 1.17
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This adds "//go:build" lines and tidies up existing "// +build" lines.
Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com >
2021-08-05 15:54:00 -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
