X-Git-Url: https://pd.if.org/git/?p=nbds;a=blobdiff_plain;f=include%2Fcommon.h;h=0d493c5ed72882a50822d99ac8c9f8a6047cbed9;hp=d638fc93803c6ba12bb4b332471c445f08fe4eb9;hb=f3a053a46bbb4ba460bcff0920b93dfc8263e02e;hpb=269f52d6f8cd031692c83afaa05c389115d05bd0

diff --git a/include/common.h b/include/common.h
index d638fc9..0d493c5 100644
--- a/include/common.h
+++ b/include/common.h
@@ -12,18 +12,13 @@
 #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)
 
@@ -37,10 +32,17 @@
 #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)
+#define ERROR_TXN_NOT_RUNNING (-4)
 
 typedef unsigned long long uint64_t;
 typedef unsigned int       uint32_t;