X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=snapshotimp.h;h=2e4929d0477e4605cd5363fb86266cd054d1f3fe;hb=ed57a438e07bae54e5ce1862c830461ddda626f2;hp=e9f6d8bd50a4ab1493a8d0264c275fdfeade3b8b;hpb=06c46bd5c02bb68c1a75edc4423e5281e497c6c1;p=cdsspec-compiler.git

diff --git a/snapshotimp.h b/snapshotimp.h
index e9f6d8b..2e4929d 100644
--- a/snapshotimp.h
+++ b/snapshotimp.h
@@ -11,7 +11,7 @@
 #include <sys/mman.h>
 #include <sys/types.h>
 #include <csignal>
-#define SHARED_MEMORY_DEFAULT	(100 * ((size_t)1 << 20)) // 100mb for the shared memory
+#define SHARED_MEMORY_DEFAULT  (100 * ((size_t)1 << 20)) // 100mb for the shared memory
 #define STACK_SIZE_DEFAULT      (((size_t)1 << 20) * 20)  // 20 mb out of the above 100 mb for my stack
 
 #if USE_MPROTECT_SNAPSHOT
@@ -53,17 +53,17 @@ struct SnapShot {
 	unsigned int maxSnapShots; //Stores the total number of snapshots we allow
 };
 
-//Global reference to snapshot data structure
-extern struct SnapShot * snapshotrecord;
 #else
-struct Snapshot {
+struct SnapShot {
 	void *mSharedMemoryBase;
 	void *mStackBase;
 	size_t mStackSize;
-	snapshot_id mIDToRollback;
+	volatile snapshot_id mIDToRollback;
 	ucontext_t mContextToRollback;
 	snapshot_id currSnapShotID;
 };
-extern struct Snapshot * sTheRecord;
 #endif
+
+//Global reference to snapshot data structure
+extern struct SnapShot * snapshotrecord;
 #endif