Avoid double definition of catomic_compare_and_exchange_val_acq.

git-mirror · May 16, 2009 · 3b1b533 · 3b1b533
1 parent 6dd7859
commit 3b1b533
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Showing 2 changed files with 16 additions and 9 deletions.
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,9 @@
+2009-05-12  Jakub Jelinek  <jakub@redhat.com>
+
+	* include/atomic.h: Formatting.
+	(catomic_compare_and_exchange_val_acq): Don't define if already
+	defined by bits/atomic.h.
+
 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
 
 	* sysdeps/unix/sysv/linux/i386/fallocate64.c (__fallocate64_l64):

diff --git a/include/atomic.h b/include/atomic.h
@@ -95,14 +95,15 @@
 #endif
 
 
-#if !defined catomic_compare_and_exchange_val_acq \
-    && defined __arch_c_compare_and_exchange_val_32_acq
-# define catomic_compare_and_exchange_val_acq(mem, newval, oldval) \
+#ifndef catomic_compare_and_exchange_val_acq
+# ifdef __arch_c_compare_and_exchange_val_32_acq
+#  define catomic_compare_and_exchange_val_acq(mem, newval, oldval) \
   __atomic_val_bysize (__arch_c_compare_and_exchange_val,acq,		      \
 		       mem, newval, oldval)
-#else
-# define catomic_compare_and_exchange_val_acq(mem, newval, oldval) \
+# else
+#  define catomic_compare_and_exchange_val_acq(mem, newval, oldval) \
   atomic_compare_and_exchange_val_acq (mem, newval, oldval)
+# endif
 #endif
 
 
@@ -125,8 +126,8 @@
 #  define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
   __atomic_bool_bysize (__arch_compare_and_exchange_bool,acq,		      \
 		        mem, newval, oldval)
-#  else
-#   define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
+# else
+#  define atomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
   ({ /* Cannot use __oldval here, because macros later in this file might     \
 	call this macro with __oldval argument.	 */			      \
      __typeof (oldval) __atg3_old = (oldval);				      \
@@ -142,8 +143,8 @@
 #  define catomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
   __atomic_bool_bysize (__arch_c_compare_and_exchange_bool,acq,		      \
 		        mem, newval, oldval)
-#  else
-#   define catomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
+# else
+#  define catomic_compare_and_exchange_bool_acq(mem, newval, oldval) \
   ({ /* Cannot use __oldval here, because macros later in this file might     \
 	call this macro with __oldval argument.	 */			      \
      __typeof (oldval) __atg4_old = (oldval);				      \