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| author | OpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com> | 2019-06-26 15:25:19 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-06-26 15:25:19 +0200 |
| commit | 58a1777f518657ff12744bb69ccf2dab3d429625 (patch) | |
| tree | a2264182e122e0d0cf29c609bb4856ac5beca7c6 /pkg/util/utils_supported.go | |
| parent | da1ef2bdfd52e666a2561e0a012cc3a824938e65 (diff) | |
| parent | e27fef335a4a0d2666542028986100a2f60b3e18 (diff) | |
| download | podman-58a1777f518657ff12744bb69ccf2dab3d429625.tar.gz podman-58a1777f518657ff12744bb69ccf2dab3d429625.tar.bz2 podman-58a1777f518657ff12744bb69ccf2dab3d429625.zip | |
Merge pull request #3374 from giuseppe/cgroups
cgroups: add initial support for cgroups v2
Diffstat (limited to 'pkg/util/utils_supported.go')
| -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 |