/
githubmirror
/
etcd
Обзор
Документация
Войти
/
githubmirror
/
etcd
Код
Запросы
0
Пакеты
0
Релизы
0
Аналитика
Безопасность
main
pkg/runtime/fds_linux.go
47 строк
1 KB
Mario Valderrama
etcdserver: Use Readdirnames to count fds for FDUsage
20 авг 2020, 17:51
20 авг 2020, 17:51
be70400
Код
Авторство
О чём код?
// Copyright 2015 The etcd Authors // // 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 runtime implements utility functions for runtime systems. package runtime import ( "os" "syscall" ) func FDLimit() (uint64, error) { var rlimit syscall.Rlimit if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlimit); err != nil { return 0, err } return rlimit.Cur, nil } func FDUsage() (uint64, error) { return countFiles("/proc/self/fd") } // countFiles reads the directory named by dirname and returns the count. func countFiles(dirname string) (uint64, error) { f, err := os.Open(dirname) if err != nil { return 0, err } list, err := f.Readdirnames(-1) f.Close() if err != nil { return 0, err } return uint64(len(list)), nil }