// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1

//go:build !windows

package config

import "golang.org/x/sys/unix"

// getrlimit return the max file descriptors allocated by system
// return the number of file descriptors max
func getrlimit() (uint64, error) {
	var limit unix.Rlimit
	err := unix.Getrlimit(unix.RLIMIT_NOFILE, &limit)
	// nolint:unconvert // Rlimit.Cur may not be uint64 on all platforms
	return uint64(limit.Cur), err
}