bash_unix.go RawHistoryFolder

1//go:build !windows
2
3package tools
4
5import (
6	"os/exec"
7	"syscall"
8	"time"
9)
10
11// setProcessGroup puts the command in its own process group so
12// killProcessGroup can target the entire tree including background
13// children spawned with &.
14func setProcessGroup(cmd *exec.Cmd) {
15	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
16}
17
18// killProcessGroup sends SIGTERM then SIGKILL to the entire process
19// group so backgrounded children (cmd &) are also cleaned up.
20func killProcessGroup(cmd *exec.Cmd) {
21	if cmd.Process == nil {
22		return
23	}
24	pgid := cmd.Process.Pid
25	_ = syscall.Kill(-pgid, syscall.SIGTERM)
26	time.AfterFunc(3*time.Second, func() {
27		_ = syscall.Kill(-pgid, syscall.SIGKILL)
28	})
29}