#include <sys/types.h>
#define malloc "DON'T USE MALLOC" // use nbd_malloc() instead
+#define calloc "DON'T USE CALLOC" // use nbd_malloc() instead
#define free "DON'T USE FREE" // use nbd_free() instead
#define MAX_NUM_THREADS 4 // make this whatever you want, but make it a power of 2
#define CACHE_LINE_SIZE 64
-#define CAT(x,y) x##y
-#define ON_EXIT_SCOPE_I(x,i) \
- inline void CAT(scope_cleanup_function_, i) (int *CAT(scope_cleanup_dummy_argument_, i)) { x; }; \
- int CAT(scope_cleanup_dummy_variable_, i) __attribute__((cleanup(CAT(scope_cleanup_function_, i))));
-#define ON_EXIT_SCOPE(x) ON_EXIT_SCOPE_I(x,__LINE__)
-
#define EXPECT_TRUE(x) __builtin_expect(x, 1)
#define EXPECT_FALSE(x) __builtin_expect(x, 0)
#define SYNC_ADD __sync_add_and_fetch
#define SYNC_FETCH_AND_OR __sync_fetch_and_or
-#define MASK(n) ((1LL << (n)) - 1)
-
-#define TAG (1LL << 63)
-#define IS_TAGGED(v) ((int64_t)(v) < 0)
-#define TAG_VALUE(v) ((uint64_t)(v) | TAG)
-#define STRIP_TAG(v) ((uint64_t)(v) & ~TAG)
+#define MASK(n) ((1ULL << (n)) - 1)
#define TRUE 1
#define FALSE 0
+#define TAG1 (1ULL << 63)
+#define TAG2 (1ULL << 62)
+#define TAG_VALUE(v, tag) ((v) | tag)
+#define IS_TAGGED(v, tag) ((v) & tag)
+#define STRIP_TAG(v, tag) ((v) & ~tag)
+
+#define DOES_NOT_EXIST 0
+#define ERROR_INVALID_OPTION (-1)
+#define ERROR_INVALID_ARGUMENT (-2)
+#define ERROR_UNSUPPORTED_FEATURE (-3)
+#define ERROR_TXN_NOT_RUNNING (-4)
+
typedef unsigned long long uint64_t;
typedef unsigned int uint32_t;
typedef unsigned char uint8_t;