#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 TRUE 1
#define FALSE 0
-#define TAG (1ULL << 63)
-#define TAG_VALUE(v) ((uint64_t)(v) | TAG)
-#define IS_TAGGED(v) ((uint64_t)(v) & TAG)
-#define STRIP_TAG(v) ((uint64_t)(v) & ~TAG)
+#define TAG1 (1ULL << 63)
+#define TAG2 (1ULL << 62)
+#define TAG_VALUE(v, tag) ((uint64_t)(v) | tag)
+#define IS_TAGGED(v, tag) ((uint64_t)(v) & tag)
+#define STRIP_TAG(v, tag) ((uint64_t)(v) & ~tag)
+
+#define DOES_NOT_EXIST 0
+#define ERROR_INVALID_OPTION (-1)
+#define ERROR_INVALID_ARGUMENT (-2)
+#define ERROR_UNSUPPORTED_FEATURE (-3)
typedef unsigned long long uint64_t;
typedef unsigned int uint32_t;