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minio/pkg/sys/rlimit-file_nix.go

38 lines
1.3 KiB

// +build linux darwin openbsd netbsd solaris
/*
* MinIO Cloud Storage, (C) 2017 MinIO, 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 sys
import "syscall"
// GetMaxOpenFileLimit - returns maximum file descriptor number that can be opened by this process.
func GetMaxOpenFileLimit() (curLimit, maxLimit uint64, err error) {
var rlimit syscall.Rlimit
if err = syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlimit); err == nil {
curLimit = rlimit.Cur
maxLimit = rlimit.Max
}
return curLimit, maxLimit, err
}
// SetMaxOpenFileLimit - sets maximum file descriptor number that can be opened by this process.
func SetMaxOpenFileLimit(curLimit, maxLimit uint64) error {
rlimit := syscall.Rlimit{Cur: curLimit, Max: maxLimit}
return syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rlimit)
}