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24 lines
549 B
24 lines
549 B
// +build !windows
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package graceful
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import (
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"log"
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"os"
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"strconv"
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"syscall"
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)
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func init() {
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// This is a little unfortunate: goji/bind already knows whether we're
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// running under einhorn, but we don't want to introduce a dependency
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// between the two packages. Since the check is short enough, inlining
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// it here seems "fine."
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mpid, err := strconv.Atoi(os.Getenv("EINHORN_MASTER_PID"))
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if err != nil || mpid != os.Getppid() {
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return
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}
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log.Print("graceful: Einhorn detected, adding SIGUSR2 handler")
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AddSignal(syscall.SIGUSR2)
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}
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