diff options
author | Marek Olšák <maraeo@gmail.com> | 2010-11-29 23:37:25 +0100 |
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committer | Marek Olšák <maraeo@gmail.com> | 2010-11-30 10:12:26 +0100 |
commit | 80f24c1575688e9cd4a5a811137f43b7e0a661bb (patch) | |
tree | cc76bc3861f325d9f4bf372eeee7ff328541e5e7 /src/gallium/auxiliary/util/u_mempool.h | |
parent | 557280542399629ac64a48f5b618365e2b18fce1 (diff) |
util: rename u_mempool -> u_slab
Diffstat (limited to 'src/gallium/auxiliary/util/u_mempool.h')
-rw-r--r-- | src/gallium/auxiliary/util/u_mempool.h | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/src/gallium/auxiliary/util/u_mempool.h b/src/gallium/auxiliary/util/u_mempool.h deleted file mode 100644 index a5b5d6a9b7..0000000000 --- a/src/gallium/auxiliary/util/u_mempool.h +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright 2010 Marek Olšák <maraeo@gmail.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * on the rights to use, copy, modify, merge, publish, distribute, sub - * license, and/or sell copies of the Software, and to permit persons to whom - * the Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE - * USE OR OTHER DEALINGS IN THE SOFTWARE. */ - -/** - * @file - * Simple memory pool for equally sized memory allocations. - * util_mempool_malloc and util_mempool_free are in O(1). - * - * Good for allocations which have very low lifetime and are allocated - * and freed very often. Use a profiler first! - * - * Candidates: get_transfer, user_buffer_create - * - * @author Marek Olšák - */ - -#ifndef U_MEMPOOL_H -#define U_MEMPOOL_H - -#include "os/os_thread.h" - -enum util_mempool_threading { - UTIL_MEMPOOL_SINGLETHREADED = FALSE, - UTIL_MEMPOOL_MULTITHREADED = TRUE -}; - -/* The page is an array of blocks (allocations). */ -struct util_mempool_page { - /* The header (linked-list pointers). */ - struct util_mempool_page *prev, *next; - - /* Memory after the last member is dedicated to the page itself. - * The allocated size is always larger than this structure. */ -}; - -struct util_mempool { - /* Public members. */ - void *(*malloc)(struct util_mempool *pool); - void (*free)(struct util_mempool *pool, void *ptr); - - /* Private members. */ - struct util_mempool_block *first_free; - - struct util_mempool_page list; - - unsigned block_size; - unsigned page_size; - unsigned num_blocks; - unsigned num_pages; - enum util_mempool_threading threading; - - pipe_mutex mutex; -}; - -void util_mempool_create(struct util_mempool *pool, - unsigned item_size, - unsigned num_blocks, - enum util_mempool_threading threading); - -void util_mempool_destroy(struct util_mempool *pool); - -void util_mempool_set_thread_safety(struct util_mempool *pool, - enum util_mempool_threading threading); - -#define util_mempool_malloc(pool) (pool)->malloc(pool) -#define util_mempool_free(pool, ptr) (pool)->free(pool, ptr) - -#endif |