state: Shift the state tree to it's own set of files

config.go

@@ -56,15 +56,3 @@ type MountPoint struct {
 	// Path specifies the path of the mount. The path and child directories MUST exist, a runtime MUST NOT create directories automatically to a mount point.
 	Path string `json:"path"`
 }
-
-// State holds information about the runtime state of the container.
-type State struct {
-	// Version is the version of the specification that is supported.
-	Version string `json:"version"`
-	// ID is the container ID
-	ID string `json:"id"`
-	// Pid is the process id for the container's main process.
-	Pid int `json:"pid"`
-	// Root is the path to the container's bundle directory.
-	Root string `json:"root"`
-}

runtime_config_linux.go

@@ -2,9 +2,6 @@ package specs
 
 import "os"
 
-// LinuxStateDirectory holds the container's state information
-const LinuxStateDirectory = "/run/oci/containers"
-
 // LinuxRuntimeSpec is the full specification for linux containers.
 type LinuxRuntimeSpec struct {
 	RuntimeSpec

state.go

@@ -0,0 +1,13 @@
+package specs
+
+// State holds information about the runtime state of the container.
+type State struct {
+	// Version is the version of the specification that is supported.
+	Version string `json:"version"`
+	// ID is the container ID
+	ID string `json:"id"`
+	// Pid is the process id for the container's main process.
+	Pid int `json:"pid"`
+	// Root is the path to the container's bundle directory.
+	Root string `json:"root"`
+}

state_linux.go

@@ -0,0 +1,6 @@
+// +build linux
+
+package specs
+
+// LinuxStateDirectory holds the container's state information
+const LinuxStateDirectory = "/run/oci/containers"