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Diffstat (limited to 'vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go')
-rw-r--r--vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go45
1 files changed, 0 insertions, 45 deletions
diff --git a/vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go b/vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go
deleted file mode 100644
index 68b37c4b3..000000000
--- a/vendor/github.com/prometheus/procfs/internal/util/sysreadfile.go
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright 2018 The Prometheus 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.
-
-// +build linux,!appengine
-
-package util
-
-import (
- "bytes"
- "os"
- "syscall"
-)
-
-// SysReadFile is a simplified ioutil.ReadFile that invokes syscall.Read directly.
-// https://github.com/prometheus/node_exporter/pull/728/files
-func SysReadFile(file string) (string, error) {
- f, err := os.Open(file)
- if err != nil {
- return "", err
- }
- defer f.Close()
-
- // On some machines, hwmon drivers are broken and return EAGAIN. This causes
- // Go's ioutil.ReadFile implementation to poll forever.
- //
- // Since we either want to read data or bail immediately, do the simplest
- // possible read using syscall directly.
- b := make([]byte, 128)
- n, err := syscall.Read(int(f.Fd()), b)
- if err != nil {
- return "", err
- }
-
- return string(bytes.TrimSpace(b[:n])), nil
-}