1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
package signal
import (
"fmt"
"strconv"
"strings"
"syscall"
)
// ParseSignal translates a string to a valid syscall signal.
// It returns an error if the signal map doesn't include the given signal.
func ParseSignal(rawSignal string) (syscall.Signal, error) {
s, err := strconv.Atoi(rawSignal)
if err == nil {
if s == 0 {
return -1, fmt.Errorf("invalid signal: %s", rawSignal)
}
return syscall.Signal(s), nil
}
sig, ok := signalMap[strings.TrimPrefix(strings.ToUpper(rawSignal), "SIG")]
if !ok {
return -1, fmt.Errorf("invalid signal: %s", rawSignal)
}
return sig, nil
}
// ParseSignalNameOrNumber translates a string to a valid syscall signal. Input
// can be a name or number representation i.e. "KILL" "9"
func ParseSignalNameOrNumber(rawSignal string) (syscall.Signal, error) {
basename := strings.TrimPrefix(rawSignal, "-")
s, err := ParseSignal(basename)
if err == nil {
return s, nil
}
for k, v := range signalMap {
if strings.EqualFold(k, basename) {
return v, nil
}
}
return -1, fmt.Errorf("invalid signal: %s", basename)
}
|
