//go:build !windows

package agentproc

import (
	"os"
	"syscall"
)

// procSysProcAttr returns the SysProcAttr to use when spawning
// processes. On Unix, Setpgid creates a new process group so
// that signals can be delivered to the entire group (the shell
// and all its children).
func procSysProcAttr() *syscall.SysProcAttr {
	return &syscall.SysProcAttr{
		Setpgid: true,
	}
}

// signalProcess sends a signal to the process group rooted at p.
// Using the negative PID sends the signal to every process in the
// group, ensuring child processes (e.g. from shell pipelines) are
// also signaled.
func signalProcess(p *os.Process, sig syscall.Signal) error {
	return syscall.Kill(-p.Pid, sig)
}