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| author | Giuseppe Scrivano <gscrivan@redhat.com> | 2019-06-19 14:25:53 +0200 |
|---|---|---|
| committer | Giuseppe Scrivano <gscrivan@redhat.com> | 2019-06-26 13:17:04 +0200 |
| commit | 5d25a4793d465896fd1762735c8bb593c4aefdfd (patch) | |
| tree | 8ae160860ca625f79bfd71b0b9687335d93c0d8b /pkg/util | |
| parent | d841d088a45c6a661e6dab2fd14eea74993154f5 (diff) | |
| download | podman-5d25a4793d465896fd1762735c8bb593c4aefdfd.tar.gz podman-5d25a4793d465896fd1762735c8bb593c4aefdfd.tar.bz2 podman-5d25a4793d465896fd1762735c8bb593c4aefdfd.zip | |
util: drop IsCgroup2UnifiedMode and use it from cgroups
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Diffstat (limited to 'pkg/util')
| -rw-r--r-- | pkg/util/utils_supported.go | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/pkg/util/utils_supported.go b/pkg/util/utils_supported.go index 3d9140a23..f8045f855 100644 --- a/pkg/util/utils_supported.go +++ b/pkg/util/utils_supported.go @@ -11,33 +11,9 @@ import ( "github.com/pkg/errors" "os" "path/filepath" - "sync" "syscall" ) -const ( - _cgroup2SuperMagic = 0x63677270 -) - -var ( - isUnifiedOnce sync.Once - isUnified bool - isUnifiedErr error -) - -// IsCgroup2UnifiedMode returns whether we are running in cgroup 2 unified mode. -func IsCgroup2UnifiedMode() (bool, error) { - isUnifiedOnce.Do(func() { - var st syscall.Statfs_t - if err := syscall.Statfs("/sys/fs/cgroup", &st); err != nil { - isUnified, isUnifiedErr = false, err - } else { - isUnified, isUnifiedErr = st.Type == _cgroup2SuperMagic, nil - } - }) - return isUnified, isUnifiedErr -} - // GetRootlessRuntimeDir returns the runtime directory when running as non root func GetRootlessRuntimeDir() (string, error) { var rootlessRuntimeDirError error |