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daemon: use RWMutex for stateCounter

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Use an RWMutex to allow concurrent reads of these counters

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2022-02-15 18:04:18 +01:00
parent 67b4b032f3
commit 699174347c
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1 changed files with 3 additions and 3 deletions
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6
daemon/metrics.go
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@ -65,7 +65,7 @@ func init() {
} }
type stateCounter struct { type stateCounter struct {
mu sync.Mutex mu sync.RWMutex
states map[string]string states map[string]string
desc *prometheus.Desc desc *prometheus.Desc
} }
@ -78,8 +78,8 @@ func newStateCounter(desc *prometheus.Desc) *stateCounter {
} }
func (ctr *stateCounter) get() (running int, paused int, stopped int) { func (ctr *stateCounter) get() (running int, paused int, stopped int) {
ctr.mu.Lock() ctr.mu.RLock()
defer ctr.mu.Unlock() defer ctr.mu.RUnlock()
states := map[string]int{ states := map[string]int{
"running": 0, "running": 0,