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
42
43
44
45
|
//go:build linux || freebsd || darwin
// +build linux freebsd darwin
package system // import "github.com/docker/docker/pkg/system"
import (
"fmt"
"os"
"strings"
"syscall"
"golang.org/x/sys/unix"
)
// IsProcessAlive returns true if process with a given pid is running.
func IsProcessAlive(pid int) bool {
err := unix.Kill(pid, syscall.Signal(0))
if err == nil || err == unix.EPERM {
return true
}
return false
}
// KillProcess force-stops a process.
func KillProcess(pid int) {
unix.Kill(pid, unix.SIGKILL)
}
// IsProcessZombie return true if process has a state with "Z"
// http://man7.org/linux/man-pages/man5/proc.5.html
func IsProcessZombie(pid int) (bool, error) {
statPath := fmt.Sprintf("/proc/%d/stat", pid)
dataBytes, err := os.ReadFile(statPath)
if err != nil {
return false, err
}
data := string(dataBytes)
sdata := strings.SplitN(data, " ", 4)
if len(sdata) >= 3 && sdata[2] == "Z" {
return true, nil
}
return false, nil
}
|
