+/**
+ * @file snapshot-interface.h
+ * @brief C interface layer on top of snapshotting system
+ */
+
#ifndef __SNAPINTERFACE_H
#define __SNAPINTERFACE_H
-#include "snapshot.h"
-#include "mymemory.h"
-#include <vector>
-#include <utility>
-#include <string>
-#include <map>
-#include <set>
-#include "snapshot.h"
-#include "libthreads.h"
-
-class snapshotStack;
-typedef std::basic_string<char, std::char_traits<char>, MyAlloc<char> > MyString;
+#include <ucontext.h>
-void SnapshotGlobalSegments();
+typedef unsigned int snapshot_id;
+typedef void (*VoidFuncPtr)();
-struct stackEntry {
- struct stackEntry *next;
- snapshot_id snapshotid;
- int index;
-};
+void snapshot_system_init(unsigned int numbackingpages,
+ unsigned int numsnapshots, unsigned int nummemoryregions,
+ unsigned int numheappages);
+void startExecution(ucontext_t * context, VoidFuncPtr entryPoint);
+snapshot_id take_snapshot();
+void snapshot_roll_back(snapshot_id theSnapShot);
-class snapshotStack {
- public:
- MEMALLOC
- snapshotStack( );
- ~snapshotStack();
- int backTrackBeforeStep(int seq_index);
- void snapshotStep(int seq_index);
- private:
- struct stackEntry * stack;
-};
#endif