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| author | Cuong Manh Le <cuong.manhle.vn@gmail.com> | 2022-08-17 17:28:58 +0700 |
|---|---|---|
| committer | Cuong Manh Le <cuong.manhle.vn@gmail.com> | 2022-08-17 17:47:28 +0000 |
| commit | 7e7ecf5cbbd5c0b61e693a65c865bf372fc2ea80 (patch) | |
| tree | c6db319cd0a69675757eda94f1c6fb3e79d6031f /src | |
| parent | 5e20f2e4dfdfea7deb9ad9e2a9909a32588334a0 (diff) | |
| download | go-7e7ecf5cbbd5c0b61e693a65c865bf372fc2ea80.tar.xz | |
runtime: convert freezing to atomic type
Updates #53821
Change-Id: I77fcdb972b8920e1fb42248ce5bd2c3d2d0bd27e
Reviewed-on: https://go-review.googlesource.com/c/go/+/423885
Reviewed-by: Michael Pratt <mpratt@google.com>
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/proc.go | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/runtime/proc.go b/src/runtime/proc.go index 0e74eb1075..b57644cc21 100644 --- a/src/runtime/proc.go +++ b/src/runtime/proc.go @@ -868,13 +868,13 @@ const freezeStopWait = 0x7fffffff // freezing is set to non-zero if the runtime is trying to freeze the // world. -var freezing uint32 +var freezing atomic.Bool // Similar to stopTheWorld but best-effort and can be called several times. // There is no reverse operation, used during crashing. // This function must not lock any mutexes. func freezetheworld() { - atomic.Store(&freezing, 1) + freezing.Store(true) // stopwait and preemption requests can be lost // due to races with concurrently executing threads, // so try several times @@ -1240,7 +1240,7 @@ func stopTheWorldWithSema() { } } } - if atomic.Load(&freezing) != 0 { + if freezing.Load() { // Some other thread is panicking. This can cause the // sanity checks above to fail if the panic happens in // the signal handler on a stopped thread. Either way, |