xnu-2050.7.9.tar.gz

[apple/xnu.git] / libkern / gen / OSAtomicOperations.c

diff --git a/libkern/gen/OSAtomicOperations.c b/libkern/gen/OSAtomicOperations.c
index 3484791d567a41a288f28e005679baf2d03d8e78..cfb15c5c1b7e0b3f160166fb2c2aaf48de2ae7a6 100644 (file)
--- a/libkern/gen/OSAtomicOperations.c
+++ b/libkern/gen/OSAtomicOperations.c
@@ -54,48 +54,10 @@ enum {
  * Like standards, there are a lot of atomic ops to choose from!
  */
 
-#if !defined(__i386__) && !defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__)
 /* Implemented in assembly for i386 and x86_64 */
-#undef OSAddAtomic
-SInt32
-OSAddAtomic(SInt32 amount, volatile SInt32 * value)
-{
-       SInt32 oldValue;
-       SInt32 newValue;
-
-       do {
-               oldValue = *value;
-               newValue = oldValue + amount;
-       } while (!OSCompareAndSwap((UInt32)oldValue,
-                               (UInt32)newValue,
-                               (volatile UInt32 *) value));
-       return oldValue;
-}
-
-#undef OSAddAtomicLong
-long
-OSAddAtomicLong(long theAmount, volatile long *address)
-{
-#if __LP64__
-#error Unimplemented
-#else
-       return (long)OSAddAtomic((SInt32)theAmount, address);
-#endif
-}
-
-/* Implemented as an assembly alias for i386 */
-#undef OSCompareAndSwapPtr
-Boolean OSCompareAndSwapPtr(void *oldValue, void *newValue,
-                           void * volatile *address)
-{
-#if __LP64__
-  return OSCompareAndSwap64((UInt64)oldValue, (UInt64)newValue,
-                         (volatile UInt64 *)address);
 #else
-  return OSCompareAndSwap((UInt32)oldValue, (UInt32)newValue,
-                         (volatile UInt32 *)address);
-#endif
-}
+#error Unsupported arch
 #endif
 
 #undef OSIncrementAtomic