mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-09-20 10:37:51 +00:00
39 lines
732 B
Go
39 lines
732 B
Go
package conntrack
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import (
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"runtime"
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runtimeDebug "runtime/debug"
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"time"
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E "github.com/sagernet/sing/common/exceptions"
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)
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var (
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KillerEnabled bool
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MemoryLimit int64
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killerLastCheck time.Time
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)
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func killerCheck() error {
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if !KillerEnabled {
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return nil
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}
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nowTime := time.Now()
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if nowTime.Sub(killerLastCheck) < 3*time.Second {
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return nil
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}
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killerLastCheck = nowTime
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var memStats runtime.MemStats
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runtime.ReadMemStats(&memStats)
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inuseMemory := int64(memStats.StackInuse + memStats.HeapInuse + memStats.HeapIdle - memStats.HeapReleased)
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if inuseMemory > MemoryLimit {
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Close()
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go func() {
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time.Sleep(time.Second)
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runtimeDebug.FreeOSMemory()
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}()
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return E.New("out of memory")
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}
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return nil
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}
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