/usr/include/thunderbird-11.0.1/jsgcstats.h is in thunderbird-dev 11.0.1+build1-0ubuntu2.
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* vim: set ts=4 sw=4 et tw=99 ft=cpp:
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla SpiderMonkey JavaScript 1.9 code, released
* June 30, 2010
*
* The Initial Developer of the Original Code is
* the Mozilla Corporation.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef jsgcstats_h___
#define jsgcstats_h___
#include "mozilla/Util.h"
#if !defined JS_DUMP_CONSERVATIVE_GC_ROOTS && defined DEBUG
# define JS_DUMP_CONSERVATIVE_GC_ROOTS 1
#endif
namespace js {
namespace gc {
/*
* The conservative GC test for a word shows that it is either a valid GC
* thing or is not for one of the following reasons.
*/
enum ConservativeGCTest
{
CGCT_VALID,
CGCT_LOWBITSET, /* excluded because one of the low bits was set */
CGCT_NOTARENA, /* not within arena range in a chunk */
CGCT_OTHERCOMPARTMENT, /* in another compartment */
CGCT_NOTCHUNK, /* not within a valid chunk */
CGCT_FREEARENA, /* within arena containing only free things */
CGCT_NOTLIVE, /* gcthing is not allocated */
CGCT_END
};
struct ConservativeGCStats
{
uint32_t counter[gc::CGCT_END]; /* ConservativeGCTest classification
counters */
uint32_t unaligned; /* number of valid but not aligned on
thing start pointers */
void add(const ConservativeGCStats &another) {
for (size_t i = 0; i < mozilla::ArrayLength(counter); ++i)
counter[i] += another.counter[i];
}
void dump(FILE *fp);
};
} //gc
} //js
#endif /* jsgcstats_h__ */
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