mirror of
https://github.com/SagerNet/sing-box.git
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36 lines
595 B
Go
36 lines
595 B
Go
package conntrack
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import (
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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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"github.com/sagernet/sing/common/memory"
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)
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var (
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KillerEnabled bool
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MemoryLimit uint64
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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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if memory.Total() > 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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