Changeset 81983e3 in mainline for uspace/lib/libc/arch/abs32le/include/atomic.h

Timestamp:

2010-02-17T14:11:07Z (15 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

b8da2a3

Parents:

101d9f4

Message:

add the possibility to compile abs32le with any cross-compiler which generates
32bit little endian code

File:

• uspace/lib/libc/arch/abs32le/include/atomic.h (modified) (1 diff)

uspace/lib/libc/arch/abs32le/include/atomic.h

@@ -36 +36 @@
 #define LIBC_abs32le_ATOMIC_H_
 
+#include <bool.h>
+
 #define LIBC_ARCH_ATOMIC_H_
+#define CAS
 
 #include <atomicdflt.h>
+
+static inline bool cas(atomic_t *val, long ov, long nv)
+{
+        if (val->count == ov) {
+                val->count = nv;
+                return true;
+        }
+        
+        return false;
+}
 
 static inline void atomic_inc(atomic_t *val) {