oci: abstract out cgroup calls per platform

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

oci: abstract out syscall for platforms

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

oci: abstract out the unix pipe per platform

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

oci: change the unix calls to be platform independent

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

oci/oci_unsupported.go

@@ -0,0 +1,20 @@
+// +build !linux
+
+package oci
+
+import (
+	"os"
+	"syscall"
+)
+
+func createContainerPlatform(c *Container, cgroupParent string, pid int) error {
+	return nil
+}
+
+func sysProcAttrPlatform() *syscall.SysProcAttr {
+	return &syscall.SysProcAttr{}
+}
+
+func newPipe() (parent *os.File, child *os.File, err error) {
+	return os.Pipe()
+}