mirror of https://github.com/Hilbis/Hilbish
39 lines
617 B
Go
39 lines
617 B
Go
//go:build unix
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package main
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import (
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"errors"
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"os"
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"syscall"
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"golang.org/x/sys/unix"
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)
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func (j *job) foreground() error {
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if jobs.foreground {
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return errors.New("(another) job already foregrounded")
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}
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pgid, _ := syscall.Getpgid(j.pid)
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// tcsetpgrp
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unix.IoctlSetPointerInt(0, unix.TIOCSPGRP, pgid)
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proc, _ := os.FindProcess(j.pid)
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proc.Wait()
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hshPgid, _ := syscall.Getpgid(os.Getpid())
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unix.IoctlSetPointerInt(0, unix.TIOCSPGRP, hshPgid)
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return nil
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}
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func (j *job) background() error {
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proc := j.handle.Process
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if proc == nil {
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return nil
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}
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proc.Signal(syscall.SIGCONT)
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return nil
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}
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