d3aa7ee9f0
The new `go fmt` adds `//go:build` lines (https://golang.org/doc/go1.17#tools). Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
36 lines
978 B
Go
36 lines
978 B
Go
//go:build !windows && !darwin
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// +build !windows,!darwin
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/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package sys
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import (
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"io/ioutil"
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"path/filepath"
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"strconv"
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)
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// GetOpenFds returns the number of open fds for the process provided by pid
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func GetOpenFds(pid int) (int, error) {
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dirs, err := ioutil.ReadDir(filepath.Join("/proc", strconv.Itoa(pid), "fd"))
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if err != nil {
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return -1, err
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}
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return len(dirs), nil
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}
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