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libct/cg.WriteCgroupProc: use fscommon.OpenFile

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...and drop os.O_CREATE|os.O_TRUNC as those are definitely not needed.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin
2020-09-24 19:56:03 -07:00
parent c95e69007c
commit 002c92f1b2
1 changed files with 3 additions and 3 deletions
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libcontainer/cgroups/utils.go
+3 -3
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@@ -367,14 +367,14 @@ func WriteCgroupProc(dir string, pid int) error {
return nil return nil
} }
cgroupProcessesFile, err := os.OpenFile(filepath.Join(dir, CgroupProcesses), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0700) file, err := fscommon.OpenFile(dir, CgroupProcesses, os.O_WRONLY)
if err != nil { if err != nil {
return fmt.Errorf("failed to write %v to %v: %v", pid, CgroupProcesses, err) return fmt.Errorf("failed to write %v to %v: %v", pid, CgroupProcesses, err)
} }
defer cgroupProcessesFile.Close() defer file.Close()
for i := 0; i < 5; i++ { for i := 0; i < 5; i++ {
_, err = cgroupProcessesFile.WriteString(strconv.Itoa(pid)) _, err = file.WriteString(strconv.Itoa(pid))
if err == nil { if err == nil {
return nil return nil
} }