26 lines
638 B
Go
26 lines
638 B
Go
// Package signal provides helper functions for dealing with signals across
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// various operating systems.
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package signal
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import (
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"fmt"
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"strconv"
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"strings"
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)
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// CheckSignal translates a string to a valid syscall signal.
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// It returns an error if the signal map doesn't include the given signal.
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func CheckSignal(rawSignal string) error {
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s, err := strconv.Atoi(rawSignal)
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if err == nil {
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if s == 0 {
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return fmt.Errorf("Invalid signal: %s", rawSignal)
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}
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return nil
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}
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if _, ok := SignalMap[strings.TrimPrefix(strings.ToUpper(rawSignal), "SIG")]; !ok {
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return fmt.Errorf("Invalid signal: %s", rawSignal)
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}
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return nil
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}
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