Add missing criu symbols to criu_unsupported.go

[NO NEW TESTS NEEDED]

Signed-off-by: Doug Rabson <dfr@rabson.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/pkg/criu/criu_linux.go b/pkg/criu/criu_linux.go
new file mode 100644
index 000000000..1d4c0a782
--- /dev/null
+++ b/pkg/criu/criu_linux.go
@@ -0,0 +1,44 @@
+//go:build linux
+// +build linux
+
+package criu
+
+import (
+	"github.com/checkpoint-restore/go-criu/v5"
+	"github.com/checkpoint-restore/go-criu/v5/rpc"
+
+	"google.golang.org/protobuf/proto"
+)
+
+// CheckForCriu uses CRIU's go bindings to check if the CRIU
+// binary exists and if it at least the version Podman needs.
+func CheckForCriu(version int) bool {
+	c := criu.MakeCriu()
+	result, err := c.IsCriuAtLeast(version)
+	if err != nil {
+		return false
+	}
+	return result
+}
+
+func MemTrack() bool {
+	features, err := criu.MakeCriu().FeatureCheck(
+		&rpc.CriuFeatures{
+			MemTrack: proto.Bool(true),
+		},
+	)
+	if err != nil {
+		return false
+	}
+
+	if features == nil || features.MemTrack == nil {
+		return false
+	}
+
+	return *features.MemTrack
+}
+
+func GetCriuVestion() (int, error) {
+	c := criu.MakeCriu()
+	return c.GetCriuVersion()
+}