kaspad/infrastructure/limits/limits_unix.go
stasatdaglabs 8a4ece1101
[NOD-1223] Reorganize project (#868)
* [NOD-1223] Move all network stuff into a new network package.

* [NOD-1223] Delete the unused package testutil.

* [NOD-1223] Move infrastructure stuff into a new instrastructure package.

* [NOD-1223] Move domain stuff into a new domain package.
2020-08-13 17:27:25 +03:00

53 lines
1.0 KiB
Go

// 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 (
"github.com/pkg/errors"
"syscall"
)
const (
fileLimitWant = 2048
fileLimitMin = 1024
)
// SetLimits raises some process limits to values which allow kaspad 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 = errors.Errorf("need at least %d 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
}