minio/pkg/sys/threads.go

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// +build linux
/*
* 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 (
"io/ioutil"
"strconv"
"strings"
)
// GetMaxThreads returns the maximum number of threads that the system can create.
func GetMaxThreads() (int, error) {
sysMaxThreadsStr, err := ioutil.ReadFile("/proc/sys/kernel/threads-max")
if err != nil {
return 0, err
}
sysMaxThreads, err := strconv.Atoi(strings.TrimSpace(string(sysMaxThreadsStr)))
if err != nil {
return 0, err
}
return sysMaxThreads, nil
}