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

     1  package runner
     2  
     3  import (
     4  	"io"
     5  	"os"
     6  	"os/exec"
     7  	"syscall"
     8  	"time"
     9  )
    10  
    11  func (e *Engine) killCmd(cmd *exec.Cmd) (pid int, err error) {
    12  	pid = cmd.Process.Pid
    13  
    14  	if e.config.Build.SendInterrupt {
    15  		// Sending a signal to make it clear to the process that it is time to turn off
    16  		if err = syscall.Kill(-pid, syscall.SIGINT); err != nil {
    17  			return
    18  		}
    19  		time.Sleep(e.config.Build.KillDelay)
    20  	}
    21  	// https://stackoverflow.com/questions/22470193/why-wont-go-kill-a-child-process-correctly
    22  	err = syscall.Kill(-pid, syscall.SIGKILL)
    23  	// Wait releases any resources associated with the Process.
    24  	_, _ = cmd.Process.Wait()
    25  	return pid, err
    26  }
    27  
    28  func (e *Engine) startCmd(cmd string) (*exec.Cmd, io.ReadCloser, io.ReadCloser, error) {
    29  	c := exec.Command("/bin/sh", "-c", cmd)
    30  	// because using pty cannot have same pgid
    31  	c.SysProcAttr = &syscall.SysProcAttr{
    32  		Setpgid: true,
    33  	}
    34  
    35  	stderr, err := c.StderrPipe()
    36  	if err != nil {
    37  		return nil, nil, nil, err
    38  	}
    39  	stdout, err := c.StdoutPipe()
    40  	if err != nil {
    41  		return nil, nil, nil, err
    42  	}
    43  
    44  	c.Stdout = os.Stdout
    45  	c.Stderr = os.Stderr
    46  
    47  	err = c.Start()
    48  	if err != nil {
    49  		return nil, nil, nil, err
    50  	}
    51  	return c, stdout, stderr, nil
    52  }