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gian paolo ciceri - japanman
suddenthinks, excellence through refactoring
++39 340 7218101
[EMAIL PROTECTED]
[EMAIL PROTECTED]
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gian paolo ciceri - japanman
suddenthinks, excellence through refactoring
++39 340 7218101
[EMAIL PROTECTED]
[EMAIL PROTECTED]
--- katomic.h.orig 2005-04-01 11:59:34.000000000 +0200
+++ katomic.h 2005-04-01 13:00:44.000000000 +0200
@@ -27,6 +27,43 @@
/* Wrapper macros to call pre_NN_post (mem, ...) where NN is the
bit width of *MEM. The calling macro puts parens around MEM
and following args. */
+
+
+#if __GNUC__ == 2
+
+#define __atomic_val_bysize(pre, post, mem, args...) \
+ ({ \
+ __typeof (*mem) __result; \
+ if (sizeof (*mem) == 1) \
+ __result = pre##_8_##post (mem, args...); \
+ else if (sizeof (*mem) == 2) \
+ __result = pre##_16_##post (mem, args...); \
+ else if (sizeof (*mem) == 4) \
+ __result = pre##_32_##post (mem, args...); \
+ else if (sizeof (*mem) == 8) \
+ __result = pre##_64_##post (mem, args...); \
+ else \
+ abort (); \
+ __result; \
+ })
+#define __atomic_bool_bysize(pre, post, mem, args...) \
+ ({ \
+ int __result; \
+ if (sizeof (*mem) == 1) \
+ __result = pre##_8_##post (mem, args...); \
+ else if (sizeof (*mem) == 2) \
+ __result = pre##_16_##post (mem, args...); \
+ else if (sizeof (*mem) == 4) \
+ __result = pre##_32_##post (mem, args...); \
+ else if (sizeof (*mem) == 8) \
+ __result = pre##_64_##post (mem, args...); \
+ else \
+ abort (); \
+ __result; \
+ })
+
+#else
+
#define __atomic_val_bysize(pre, post, mem, ...) \
({ \
__typeof (*mem) __result; \
@@ -57,7 +94,10 @@
abort (); \
__result; \
})
-
+
+
+#endif
+
/* Atomically store NEWVAL in *MEM if *MEM is equal to OLDVAL.
Return the old *MEM value. */
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