github.com/fairyhunter13/air@v1.40.5/runner/util_linux.go (about)

     1  package runner
     2  
     3  import (
     4  	"io"
     5  	"os/exec"
     6  	"syscall"
     7  	"time"
     8  
     9  	"github.com/creack/pty"
    10  )
    11  
    12  func (e *Engine) killCmd(cmd *exec.Cmd) (pid int, err error) {
    13  	pid = cmd.Process.Pid
    14  
    15  	if e.config.Build.SendInterrupt {
    16  		// Sending a signal to make it clear to the process that it is time to turn off
    17  		if err = syscall.Kill(-pid, syscall.SIGINT); err != nil {
    18  			return
    19  		}
    20  		time.Sleep(e.config.Build.KillDelay)
    21  	}
    22  
    23  	// https://stackoverflow.com/questions/22470193/why-wont-go-kill-a-child-process-correctly
    24  	err = syscall.Kill(-pid, syscall.SIGKILL)
    25  
    26  	// Wait releases any resources associated with the Process.
    27  	_, _ = cmd.Process.Wait()
    28  	return
    29  }
    30  
    31  func (e *Engine) startCmd(cmd string) (*exec.Cmd, io.ReadCloser, io.ReadCloser, error) {
    32  	c := exec.Command("/bin/sh", "-c", cmd)
    33  	f, err := pty.Start(c)
    34  	return c, f, f, err
    35  }