+++ /dev/null
-// Copyright (c) 2013-2014 The btcsuite developers
-// Use of this source code is governed by an ISC
-// license that can be found in the LICENSE file.
-
-// +build !windows,!plan9
-
-package limits
-
-import (
- "fmt"
- "syscall"
-)
-
-const (
- fileLimitWant = 2048
- fileLimitMin = 1024
-)
-
-// SetLimits raises some process limits to values which allow btcd and
-// associated utilities to run.
-func SetLimits() error {
- var rLimit syscall.Rlimit
-
- err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
- if err != nil {
- return err
- }
- if rLimit.Cur > fileLimitWant {
- return nil
- }
- if rLimit.Max < fileLimitMin {
- err = fmt.Errorf("need at least %v file descriptors",
- fileLimitMin)
- return err
- }
- if rLimit.Max < fileLimitWant {
- rLimit.Cur = rLimit.Max
- } else {
- rLimit.Cur = fileLimitWant
- }
- err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit)
- if err != nil {
- // try min value
- rLimit.Cur = fileLimitMin
- err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit)
- if err != nil {
- return err
- }
- }
-
- return nil
-}