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1 /*
2  * Copyright (C) 2008 Apple Computer, Inc.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #ifndef JSBasePrivate_h
27 #define JSBasePrivate_h
28 
29 #include <JavaScriptCore/JSBase.h>
30 #include <JavaScriptCore/WebKitAvailability.h>
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 /*!
37 @function
38 @abstract Reports an object's non-GC memory payload to the garbage collector.
39 @param ctx The execution context to use.
40 @param size The payload's size, in bytes.
41 @discussion Use this function to notify the garbage collector that a GC object
42 owns a large non-GC memory region. Calling this function will encourage the
43 garbage collector to collect soon, hoping to reclaim that large non-GC memory
44 region.
45 */
46 JS_EXPORT void JSReportExtraMemoryCost(JSContextRef ctx, size_t size) AVAILABLE_IN_WEBKIT_VERSION_4_0;
47 
48 #ifdef __cplusplus
49 }
50 #endif
51 
52 #endif /* JSBasePrivate_h */
53