#ifndef _SNAPSHOT_H
#define _SNAPSHOT_H
#define PAGESIZE 4096
-#define USE_CHECKPOINTING 1
+
+/* If USE_MPROTECT_SNAPSHOT=1, then snapshot by using mmap() and mprotect()
+ If USE_MPROTECT_SNAPSHOT=0, then snapshot by using fork() */
+#define USE_MPROTECT_SNAPSHOT 1
+
/* Size of signal stack */
#define SIGSTACKSIZE 16384