libdispatch-913.30.4.tar.gz

[apple/libdispatch.git] / src / data_internal.h

diff --git a/src/data_internal.h b/src/data_internal.h
index 40a780ce94e81917e50adaaa4300a882193fb989..19fc3d9adeb6d053650df50c6f36dc67baa95a19 100644 (file)
--- a/src/data_internal.h
+++ b/src/data_internal.h
@@ -38,30 +38,32 @@ typedef struct range_record_s {
        size_t length;
 } range_record;
 
-#if USE_OBJC
-#if OS_OBJECT_USE_OBJC
-@interface DISPATCH_CLASS(data) : NSObject <DISPATCH_CLASS(data)>
-@end
+#if OS_OBJECT_HAVE_OBJC2
+#define DISPATCH_DATA_IS_BRIDGED_TO_NSDATA 1
+#else
+#define DISPATCH_DATA_IS_BRIDGED_TO_NSDATA 0
 #endif
+
+#if DISPATCH_DATA_IS_BRIDGED_TO_NSDATA
 DISPATCH_OBJC_CLASS_DECL(data);
 DISPATCH_OBJC_CLASS_DECL(data_empty);
-#define DISPATCH_DATA_CLASS DISPATCH_OBJC_CLASS(data)
-#define DISPATCH_DATA_EMPTY_CLASS DISPATCH_OBJC_CLASS(data_empty)
-#else // USE_OBJC
+_OS_OBJECT_DECL_PROTOCOL(dispatch_data, dispatch_object);
+#define DISPATCH_DATA_CLASS DISPATCH_VTABLE(data)
+#define DISPATCH_DATA_EMPTY_CLASS DISPATCH_VTABLE(data_empty)
+#else
 DISPATCH_CLASS_DECL(data);
 #define DISPATCH_DATA_CLASS DISPATCH_VTABLE(data)
-#define DISPATCH_DATA_EMPTY_CLASS DISPATCH_VTABLE(data)
-#endif // USE_OBJC
+#endif // DISPATCH_DATA_IS_BRIDGED_TO_NSDATA
 
 struct dispatch_data_s {
-#if USE_OBJC
+#if DISPATCH_DATA_IS_BRIDGED_TO_NSDATA
        const void *do_vtable;
        dispatch_queue_t do_targetq;
        void *ctxt;
        void *finalizer;
-#else // USE_OBJC
-       DISPATCH_STRUCT_HEADER(data);
-#endif // USE_OBJC
+#else
+       DISPATCH_OBJECT_HEADER(data);
+#endif // DISPATCH_DATA_IS_BRIDGED_TO_NSDATA
        const void *buf;
        dispatch_block_t destructor;
        size_t size, num_records;
@@ -79,7 +81,7 @@ _dispatch_data_leaf(struct dispatch_data_s *dd)
  * This is about the number of records required to hold that dispatch data
  * if it's not a leaf. Callers either want that value, or have to special
  * case the case when the dispatch data *is* a leaf before (and that the actual
- * embeded record count of that dispatch data is 0)
+ * embedded record count of that dispatch data is 0)
  */
 DISPATCH_ALWAYS_INLINE
 static inline size_t
@@ -98,18 +100,17 @@ struct dispatch_data_format_type_s {
        dispatch_transform_t encode;
 };
 
-void dispatch_data_init(dispatch_data_t data, const void *buffer, size_t size,
-               dispatch_block_t destructor);
-void _dispatch_data_dispose(dispatch_data_t data);
+void _dispatch_data_init_with_bytes(dispatch_data_t data, const void *buffer,
+               size_t size, dispatch_block_t destructor);
+void _dispatch_data_dispose(dispatch_data_t data, bool *allow_free);
+void _dispatch_data_set_target_queue(struct dispatch_data_s *dd,
+               dispatch_queue_t tq);
 size_t _dispatch_data_debug(dispatch_data_t data, char* buf, size_t bufsiz);
-const void*
-_dispatch_data_get_flattened_bytes(struct dispatch_data_s *dd);
+const void* _dispatch_data_get_flattened_bytes(struct dispatch_data_s *dd);
 
 #if !defined(__cplusplus)
-#if !__OBJC2__
-const dispatch_block_t _dispatch_data_destructor_inline;
+extern const dispatch_block_t _dispatch_data_destructor_inline;
 #define DISPATCH_DATA_DESTRUCTOR_INLINE (_dispatch_data_destructor_inline)
-#endif // !__OBJC2__
 
 /*
  * the out parameters are about seeing "through" trivial subranges
@@ -135,7 +136,7 @@ _dispatch_data_map_direct(struct dispatch_data_s *dd, size_t offset,
        if (fastpath(_dispatch_data_leaf(dd))) {
                buffer = dd->buf + offset;
        } else {
-               buffer = dispatch_atomic_load((void **)&dd->buf, relaxed);
+               buffer = os_atomic_load((void **)&dd->buf, relaxed);
                if (buffer) {
                        buffer += offset;
                }