| 1 | //go:build !windows |
| 2 | |
| 3 | package control |
| 4 | |
| 5 | import ( |
| 6 | "os/exec" |
| 7 | "syscall" |
| 8 | ) |
| 9 | |
| 10 | // setShellKillTree makes cancellation kill the whole shell tree. Running the |
| 11 | // child in a new session also keeps interactive prompts from grabbing the TUI's |
| 12 | // controlling terminal. |
| 13 | func setShellKillTree(cmd *exec.Cmd) { |
| 14 | cmd.SysProcAttr = &syscall.SysProcAttr{Setsid: true} |
| 15 | cmd.Cancel = func() error { |
| 16 | if cmd.Process == nil { |
| 17 | return nil |
| 18 | } |
| 19 | return syscall.Kill(-cmd.Process.Pid, syscall.SIGKILL) |
| 20 | } |
| 21 | } |
| 22 |