Changeset 94235 in webkit for trunk/Source/JavaScriptCore/wtf/Atomics.h

Timestamp:

Aug 31, 2011, 2:48:15 PM (14 years ago)

Author:

[email protected]

Message:

Add Android's platform specification and the right atomic functions.
​https://bugs.webkit.org/show_bug.cgi?id=66687

Patch by Peter Beverloo <​[email protected]> on 2011-08-31
Reviewed by Adam Barth.

• wtf/Atomics.h:

(WTF::atomicIncrement):
(WTF::atomicDecrement):

• wtf/Platform.h:

File:

• trunk/Source/JavaScriptCore/wtf/Atomics.h (modified) (2 diffs)

trunk/Source/JavaScriptCore/wtf/Atomics.h

@@ -68 +68 @@
 #elif OS(QNX)
 #include <atomic.h>
+#elif OS(ANDROID)
+#include <sys/atomics.h>
 #elif COMPILER(GCC) && !OS(SYMBIAN)
 #if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 2))
@@ -102 +104 @@
 inline int atomicDecrement(int volatile* addend) { return static_cast<int>(atomic_sub_value(reinterpret_cast<unsigned volatile*>(addend), 1)) - 1; }
 
+#elif OS(ANDROID)
+
+inline int atomicIncrement(int volatile* addend) { return __atomic_inc(addend); }
+inline int atomicDecrement(int volatile* addend) { return __atomic_dec(addend); }
+
 #elif COMPILER(GCC) && !CPU(SPARC64) && !OS(SYMBIAN) // sizeof(_Atomic_word) != sizeof(int) on sparc64 gcc
 #define WTF_USE_LOCKFREE_THREADSAFEREFCOUNTED 1