Changes in uspace/lib/libc/arch/sparc64/include/atomic.h [228666c:e15e0e8] in mainline

File:

• uspace/lib/libc/arch/sparc64/include/atomic.h (modified) (1 diff)

uspace/lib/libc/arch/sparc64/include/atomic.h

@@ -46 +46 @@
  *
  * @param val Atomic variable.
- * @param i   Signed value to be added.
+ * @param i Signed value to be added.
  *
  * @return Value of the atomic variable as it existed before addition.
- *
  */
-static inline atomic_count_t atomic_add(atomic_t *val, atomic_count_t i)
+static inline long atomic_add(atomic_t *val, int i)
 {
-        atomic_count_t a;
-        atomic_count_t b;
-        
+        uint64_t a, b;
+
         do {
-                volatile uintptr_t ptr = (uintptr_t) &val->count;
-                
-                a = *((atomic_count_t *) ptr);
+                volatile uintptr_t x = (uint64_t) &val->count;
+
+                a = *((uint64_t *) x);
                 b = a + i;
-                
-                asm volatile (
-                        "casx %0, %2, %1\n"
-                        : "+m" (*((atomic_count_t *) ptr)),
-                          "+r" (b)
-                        : "r" (a)
-                );
+                asm volatile ("casx %0, %2, %1\n" : "+m" (*((uint64_t *)x)), "+r" (b) : "r" (a));
         } while (a != b);
-        
+
         return a;
 }
 
-static inline atomic_count_t atomic_preinc(atomic_t *val)
+static inline long atomic_preinc(atomic_t *val)
 {
         return atomic_add(val, 1) + 1;
 }
 
-static inline atomic_count_t atomic_postinc(atomic_t *val)
+static inline long atomic_postinc(atomic_t *val)
 {
         return atomic_add(val, 1);
 }
 
-static inline atomic_count_t atomic_predec(atomic_t *val)
+static inline long atomic_predec(atomic_t *val)
 {
         return atomic_add(val, -1) - 1;
 }
 
-static inline atomic_count_t atomic_postdec(atomic_t *val)
+static inline long atomic_postdec(atomic_t *val)
 {
         return atomic_add(val, -1);