Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1054)

Unified Diff: Source/core/platform/Arena.h

Issue 20231002: Replace RenderArena with PartitionAlloc (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Rebase. Created 7 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « Source/core/page/Page.cpp ('k') | Source/core/platform/Arena.cpp » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: Source/core/platform/Arena.h
diff --git a/Source/core/platform/Arena.h b/Source/core/platform/Arena.h
deleted file mode 100644
index c1185e47fc70335c2643c61f74e0174a05e72332..0000000000000000000000000000000000000000
--- a/Source/core/platform/Arena.h
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Copyright (C) 1998-2000 Netscape Communications Corporation.
- * Copyright (C) 2003-6 Apple Computer
- * Copyright (C) Research In Motion Limited 2010. All rights reserved.
- *
- * Other contributors:
- * Nick Blievers <nickb@adacel.com.au>
- * Jeff Hostetler <jeff@nerdone.com>
- * Tom Rini <trini@kernel.crashing.org>
- * Raffaele Sena <raff@netwinder.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Alternatively, the contents of this file may be used under the terms
- * of either the Mozilla Public License Version 1.1, found at
- * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
- * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
- * (the "GPL"), in which case the provisions of the MPL or the GPL are
- * applicable instead of those above. If you wish to allow use of your
- * version of this file only under the terms of one of those two
- * licenses (the MPL or the GPL) and not to allow others to use your
- * version of this file under the LGPL, indicate your decision by
- * deletingthe provisions above and replace them with the notice and
- * other provisions required by the MPL or the GPL, as the case may be.
- * If you do not delete the provisions above, a recipient may use your
- * version of this file under any of the LGPL, the MPL or the GPL.
- */
-
-#ifndef Arena_h
-#define Arena_h
-
-// FIXME: We'd always like to use AllocAlignmentInteger for Arena alignment
-// but there is concern over the memory growth this may cause.
-#ifdef WTF_USE_ARENA_ALLOC_ALIGNMENT_INTEGER
-#define ARENA_ALIGN_MASK (sizeof(WTF::AllocAlignmentInteger) - 1)
-#else
-#define ARENA_ALIGN_MASK 3
-#endif
-
-namespace WebCore {
-
-typedef uintptr_t uword;
-
-struct Arena {
- Arena* next; // next arena
- uword base; // aligned base address
- uword limit; // end of arena (1+last byte)
- uword avail; // points to next available byte in arena
-};
-
-struct ArenaPool {
- Arena first; // first arena in pool list.
- Arena* current; // current arena.
- unsigned int arenasize;
- uword mask; // Mask (power-of-2 - 1)
-};
-
-void InitArenaPool(ArenaPool*, const char* name, unsigned int size, unsigned int align);
-void FinishArenaPool(ArenaPool*);
-void* ArenaAllocate(ArenaPool*, unsigned int numBytes, unsigned int& bytesAllocated);
-
-#define ARENA_ALIGN(n) (((uword)(n) + ARENA_ALIGN_MASK) & ~ARENA_ALIGN_MASK)
-#define INIT_ARENA_POOL(pool, name, size) InitArenaPool(pool, name, size, ARENA_ALIGN_MASK + 1)
-#define ARENA_ALLOCATE(p, pool, nb, bytesAllocated) \
- Arena* _a = (pool)->current; \
- unsigned int _nb = ARENA_ALIGN(nb); \
- uword _p = _a->avail; \
- uword _q = _p + _nb; \
- if (_q > _a->limit) \
- _p = (uword)ArenaAllocate(pool, _nb, *bytesAllocated); \
- else \
- _a->avail = _q; \
- p = (void*)_p;
-
-}
-
-#endif
« no previous file with comments | « Source/core/page/Page.cpp ('k') | Source/core/platform/Arena.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698