func sigchld()

in pkg/pid1/pid1.go [80:99]

• 16 lines of code
• 5 McCabe index (conditional complexity)

func sigchld(firstborn int) (bool, syscall.WaitStatus, error) {
	// Loop to handle multiple child processes.
	for {
		var status syscall.WaitStatus
		pid, err := syscall.Wait4(-1, &status, syscall.WNOHANG, nil)
		if err != nil {
			return false, 0, fmt.Errorf("wait4(): %v\n", err)
		}

		if pid == firstborn {
			return true, status, nil
		}
		if pid <= 0 {
			// No more children to reap.
			break
		}
		// Must have found one, see if there are more.
	}
	return false, 0, nil
}