Merge pull request #44 from rhatdan/version

Fix definitions for cross compilers

common/pkg/config/default.go

@@ -7,7 +7,6 @@ import (
 	"path/filepath"
 	"regexp"
 	"strconv"
-	"syscall"
 
 	"github.com/containers/common/pkg/unshare"
 	"github.com/containers/storage"
@@ -113,22 +112,6 @@ const (
 	SeccompDefaultPath = _installPrefix + "/share/containers/seccomp.json"
 )
 
-const (
-	cgroupRoot         = "/sys/fs/cgroup"
-	_cgroup2SuperMagic = 0x63677270
-)
-
-// isCgroup2UnifiedMode returns whether we are running in cgroup 2 cgroup2 mode.
-func isCgroup2UnifiedMode() (isUnified bool, isUnifiedErr error) {
-	var st syscall.Statfs_t
-	if err := syscall.Statfs(cgroupRoot, &st); err != nil {
-		isUnified, isUnifiedErr = false, err
-	} else {
-		isUnified, isUnifiedErr = st.Type == _cgroup2SuperMagic, nil
-	}
-	return
-}
-
 // DefaultConfig defines the default values from containers.conf
 func DefaultConfig() (*Config, error) {
 

common/pkg/config/default_linux.go

@@ -0,0 +1,19 @@
+package config
+
+import (
+	"syscall"
+)
+
+// isCgroup2UnifiedMode returns whether we are running in cgroup2 mode.
+func isCgroup2UnifiedMode() (isUnified bool, isUnifiedErr error) {
+	_cgroup2SuperMagic := int64(0x63677270)
+	cgroupRoot := "/sys/fs/cgroup"
+
+	var st syscall.Statfs_t
+	if err := syscall.Statfs(cgroupRoot, &st); err != nil {
+		isUnified, isUnifiedErr = false, err
+	} else {
+		isUnified, isUnifiedErr = st.Type == _cgroup2SuperMagic, nil
+	}
+	return
+}

common/pkg/config/default_unsupported.go

@@ -0,0 +1,8 @@
+// +build !linux
+
+package config
+
+// isCgroup2UnifiedMode returns whether we are running in cgroup2 mode.
+func isCgroup2UnifiedMode() (isUnified bool, isUnifiedErr error) {
+	return false, nil
+}