You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
874 B
46 lines
874 B
// +build !windows
|
|
|
|
package kexec
|
|
|
|
import (
|
|
"os"
|
|
"os/exec"
|
|
"syscall"
|
|
)
|
|
|
|
func setupCmd(cmd *exec.Cmd) {
|
|
cmd.SysProcAttr = &syscall.SysProcAttr{}
|
|
cmd.SysProcAttr.Setsid = true
|
|
}
|
|
|
|
func Command(name string, arg ...string) *KCommand {
|
|
cmd := exec.Command(name, arg...)
|
|
setupCmd(cmd)
|
|
return &KCommand{
|
|
Cmd: cmd,
|
|
}
|
|
}
|
|
|
|
func CommandString(command string) *KCommand {
|
|
cmd := exec.Command("/bin/bash", "-c", command)
|
|
setupCmd(cmd)
|
|
cmd.Stdout = os.Stdout
|
|
cmd.Stderr = os.Stderr
|
|
return &KCommand{
|
|
Cmd: cmd,
|
|
}
|
|
}
|
|
|
|
func (p *KCommand) Terminate(sig os.Signal) (err error) {
|
|
if p.Process == nil {
|
|
return
|
|
}
|
|
// find pgid, ref: http://unix.stackexchange.com/questions/14815/process-descendants
|
|
group, err := os.FindProcess(-1 * p.Process.Pid)
|
|
//log.Println(group)
|
|
if err == nil {
|
|
err = group.Signal(sig)
|
|
}
|
|
return err
|
|
}
|