schnutibox/vendor/github.com/cosmtrek/air/runner/util_linux.go

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package runner
import (
"io"
"os/exec"
"syscall"
"time"
"github.com/creack/pty"
)
func (e *Engine) killCmd(cmd *exec.Cmd) (pid int, err error) {
pid = cmd.Process.Pid
if e.config.Build.SendInterrupt {
// Sending a signal to make it clear to the process that it is time to turn off
if err = syscall.Kill(-pid, syscall.SIGINT); err != nil {
return
}
time.Sleep(e.config.Build.KillDelay * time.Millisecond)
}
// https://stackoverflow.com/questions/22470193/why-wont-go-kill-a-child-process-correctly
err = syscall.Kill(-pid, syscall.SIGKILL)
// Wait releases any resources associated with the Process.
_, _ = cmd.Process.Wait()
return
}
func (e *Engine) startCmd(cmd string) (*exec.Cmd, io.ReadCloser, io.ReadCloser, error) {
c := exec.Command("/bin/sh", "-c", cmd)
f, err := pty.Start(c)
return c, f, f, err
}