// +build linux

package starainrt

import "syscall"

func (starcli *StarShell) SetRunUser(uid, gid uint32) {
	starcli.cmd.SysProcAttr = &syscall.SysProcAttr{
		Credential: &syscall.Credential{
			Uid: uid,
			Gid: gid,
		},
		Setsid: true,
	}
}

func (starcli *StarShell) Release() error {
	if err := starcli.cmd.Start(); err != nil {
		return err
	}
	starcli.cmd.SysProcAttr = &syscall.SysProcAttr{
		Setsid: true,
	}
	starcli.cmd.Process.Release()
	return nil
}

func (starcli *StarShell) SetKeepCaps() error {
	_, _, err := syscall.RawSyscall(157 /*SYS PRCTL */, 0x8 /*PR SET KEEPCAPS*/, 1, 0)
	if 0 != err {
		return err
	}
	return nil
}