#ifndef __SNAPINTERFACE_H
#define __SNAPINTERFACE_H
+#include <ucontext.h>
typedef unsigned int snapshot_id;
-
typedef void (*VoidFuncPtr)();
+
void snapshot_system_init(unsigned int numbackingpages,
unsigned int numsnapshots, unsigned int nummemoryregions,
unsigned int numheappages);
-void startExecution(VoidFuncPtr entryPoint);
-void snapshot_stack_init();
-void snapshot_record(int seq_index);
-int snapshot_backtrack_before(int seq_index);
+void startExecution(ucontext_t * context, VoidFuncPtr entryPoint);
+snapshot_id take_snapshot();
+void snapshot_roll_back(snapshot_id theSnapShot);
+
#endif