MINOR: threads/atomic: rename local variables in macros to avoid conflicts
[ plock commit bfac5887ebabb8ef753b0351f162265767eb219b ]
Local variable "t" was renamed "__pl_t" to limit the risk of conflicts
with existing variables in application code.
diff --git a/include/import/atomic-ops.h b/include/import/atomic-ops.h
index ae2c075..9ee7da7 100644
--- a/include/import/atomic-ops.h
+++ b/include/import/atomic-ops.h
@@ -499,10 +499,10 @@
#define pl_sub(ptr, x) ({ __sync_sub_and_fetch((ptr), (x)); })
#define pl_xadd(ptr, x) ({ __sync_fetch_and_add((ptr), (x)); })
#define pl_cmpxchg(ptr, o, n) ({ __sync_val_compare_and_swap((ptr), (o), (n)); })
-#define pl_xchg(ptr, x) ({ typeof(*(ptr)) t; \
- do { t = *(ptr); \
- } while (!__sync_bool_compare_and_swap((ptr), t, (x))); \
- t; \
+#define pl_xchg(ptr, x) ({ typeof(*(ptr)) __pl_t; \
+ do { __pl_t = *(ptr); \
+ } while (!__sync_bool_compare_and_swap((ptr), __pl_t, (x))); \
+ __pl_t; \
})
#endif