fileno_check_linux.go

// Copyright 2023 Dolthub, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package main

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

func warnIfMaxFilesTooLow() {
	var lim unix.Rlimit
	if err := unix.Getrlimit(unix.RLIMIT_NOFILE, &lim); err != nil {
		return
	}
	lim.Cur = lim.Max
	if err := unix.Setrlimit(unix.RLIMIT_NOFILE, &lim); err != nil {
		return
	}
	if err := unix.Getrlimit(unix.RLIMIT_NOFILE, &lim); err != nil {
		return
	}
}