File: run.go

package info (click to toggle)
golang-github-coreos-discovery-etcd-io 2.0.0%2Bgit2019.04.19.git.78fb45d3c9-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, bullseye, forky, sid, trixie
  • size: 23,460 kB
  • sloc: asm: 452; sh: 94; ansic: 24; makefile: 16
file content (34 lines) | stat: -rw-r--r-- 629 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
// +build !windows

package pty

import (
	"os"
	"os/exec"
	"syscall"
)

// Start assigns a pseudo-terminal tty os.File to c.Stdin, c.Stdout,
// and c.Stderr, calls c.Start, and returns the File of the tty's
// corresponding pty.
func Start(c *exec.Cmd) (pty *os.File, err error) {
	pty, tty, err := Open()
	if err != nil {
		return nil, err
	}
	defer tty.Close()
	c.Stdout = tty
	c.Stdin = tty
	c.Stderr = tty
	if c.SysProcAttr == nil {
		c.SysProcAttr = &syscall.SysProcAttr{}
	}
	c.SysProcAttr.Setctty = true
	c.SysProcAttr.Setsid = true
	err = c.Start()
	if err != nil {
		pty.Close()
		return nil, err
	}
	return pty, err
}