termenv_posix.go
1//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || zos
2// +build darwin dragonfly freebsd linux netbsd openbsd zos
3
4package termenv
5
6import (
7 "golang.org/x/sys/unix"
8)
9
10func isForeground(fd int) bool {
11 pgrp, err := unix.IoctlGetInt(fd, unix.TIOCGPGRP)
12 if err != nil {
13 return false
14 }
15
16 return pgrp == unix.Getpgrp()
17}