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| author | Konstantin Lebedev <9497591+kmlebedev@users.noreply.github.com> | 2022-09-01 22:34:06 +0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-09-01 10:34:06 -0700 |
| commit | c37d6fc01a8b70ea3686a81c2acf9d3da0b5ef09 (patch) | |
| tree | 42c5205a60b5f37704fa037e50cb61263e868e2e /weed/util/grace/signal_handling.go | |
| parent | 8c3040db81ac3c3a5b80d675ba3cf044420d4b9a (diff) | |
| download | seaweedfs-c37d6fc01a8b70ea3686a81c2acf9d3da0b5ef09.tar.xz seaweedfs-c37d6fc01a8b70ea3686a81c2acf9d3da0b5ef09.zip | |
avoid data race on grace.hooks (#3572)
https://github.com/seaweedfs/seaweedfs/issues/3564
Diffstat (limited to 'weed/util/grace/signal_handling.go')
| -rw-r--r-- | weed/util/grace/signal_handling.go | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/weed/util/grace/signal_handling.go b/weed/util/grace/signal_handling.go index fc7afcad9..24d2b184f 100644 --- a/weed/util/grace/signal_handling.go +++ b/weed/util/grace/signal_handling.go @@ -12,7 +12,7 @@ import ( var signalChan chan os.Signal var hooks = make([]func(), 0) -var hookLock sync.Mutex +var hookLock sync.RWMutex func init() { signalChan = make(chan os.Signal, 1) @@ -27,7 +27,9 @@ func init() { // syscall.SIGQUIT, ) go func() { - for _ = range signalChan { + hookLock.RLock() + defer hookLock.RUnlock() + for range signalChan { for _, hook := range hooks { hook() } |