Changeset 51305 in webkit for trunk/JavaScriptCore

Timestamp:

Nov 23, 2009, 3:29:07 AM (16 years ago)

Author:

[email protected]

Message:

Android port lacks implementation of atomicIncrement and atomicDecrement

Location:

trunk/JavaScriptCore

Files:

• ChangeLog (modified) (1 diff)
• wtf/Threading.h (modified) (2 diffs)

trunk/JavaScriptCore/ChangeLog

@@ +1 @@
+2009-11-23  Steve Block  <[email protected]>
+
+        Reviewed by Eric Seidel.
+
+        Android port lacks implementation of atomicIncrement and atomicDecrement.
+        https://bugs.webkit.org/show_bug.cgi?id=31715
+
+        * wtf/Threading.h: Modified.
+        (WTF::atomicIncrement): Added Android implementation.
+        (WTF::atomicDecrement): Added Android implementation.
+
 2009-11-22  Laszlo Gombos  <[email protected]>
 

trunk/JavaScriptCore/wtf/Threading.h

@@ -74 +74 @@
 #elif PLATFORM(DARWIN)
 #include <libkern/OSAtomic.h>
+#elif PLATFORM(ANDROID)
+#include <cutils/atomic.h>
 #elif COMPILER(GCC)
 #if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 2))
@@ -233 +235 @@
 inline int atomicDecrement(int volatile* addend) { return OSAtomicDecrement32Barrier(const_cast<int*>(addend)); }
 
+#elif PLATFORM(ANDROID)
+
+inline int atomicIncrement(int volatile* addend) { return android_atomic_inc(addend); }
+inline int atomicDecrement(int volatile* addend) { return android_atomic_dec(addend); }
+
 #elif COMPILER(GCC) && !PLATFORM(SPARC64) // sizeof(_Atomic_word) != sizeof(int) on sparc64 gcc
 #define WTF_USE_LOCKFREE_THREADSAFESHARED 1