From 1a71b50696cc230cd055905a5f9fdbd3fa7c89af Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 14 May 2012 16:52:51 +0200 Subject: fontconfig libX11 mesa xkeyboard-config pixman git update 14 May 2012 --- mesalib/src/gallium/auxiliary/util/u_slab.h | 174 ++++++++++++++-------------- 1 file changed, 87 insertions(+), 87 deletions(-) (limited to 'mesalib/src/gallium/auxiliary/util/u_slab.h') diff --git a/mesalib/src/gallium/auxiliary/util/u_slab.h b/mesalib/src/gallium/auxiliary/util/u_slab.h index f49dca27d..3ed8b12d3 100644 --- a/mesalib/src/gallium/auxiliary/util/u_slab.h +++ b/mesalib/src/gallium/auxiliary/util/u_slab.h @@ -1,87 +1,87 @@ -/* - * Copyright 2010 Marek Olšák - * - * 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 slab allocator for equally sized memory allocations. - * util_slab_alloc and util_slab_free have time complexity in O(1). - * - * Good for allocations which have very low lifetime and are allocated - * and freed very often. Use a profiler first to know if it's worth using it! - * - * Candidates: get_transfer, user_buffer_create - * - * @author Marek Olšák - */ - -#ifndef U_SLAB_H -#define U_SLAB_H - -#include "os/os_thread.h" - -enum util_slab_threading { - UTIL_SLAB_SINGLETHREADED = FALSE, - UTIL_SLAB_MULTITHREADED = TRUE -}; - -/* The page is an array of blocks (allocations). */ -struct util_slab_page { - /* The header (linked-list pointers). */ - struct util_slab_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_slab_mempool { - /* Public members. */ - void *(*alloc)(struct util_slab_mempool *pool); - void (*free)(struct util_slab_mempool *pool, void *ptr); - - /* Private members. */ - struct util_slab_block *first_free; - - struct util_slab_page list; - - unsigned block_size; - unsigned page_size; - unsigned num_blocks; - unsigned num_pages; - enum util_slab_threading threading; - - pipe_mutex mutex; -}; - -void util_slab_create(struct util_slab_mempool *pool, - unsigned item_size, - unsigned num_blocks, - enum util_slab_threading threading); - -void util_slab_destroy(struct util_slab_mempool *pool); - -void util_slab_set_thread_safety(struct util_slab_mempool *pool, - enum util_slab_threading threading); - -#define util_slab_alloc(pool) (pool)->alloc(pool) -#define util_slab_free(pool, ptr) (pool)->free(pool, ptr) - -#endif +/* + * Copyright 2010 Marek Olšák + * + * 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 slab allocator for equally sized memory allocations. + * util_slab_alloc and util_slab_free have time complexity in O(1). + * + * Good for allocations which have very low lifetime and are allocated + * and freed very often. Use a profiler first to know if it's worth using it! + * + * Candidates: get_transfer + * + * @author Marek Olšák + */ + +#ifndef U_SLAB_H +#define U_SLAB_H + +#include "os/os_thread.h" + +enum util_slab_threading { + UTIL_SLAB_SINGLETHREADED = FALSE, + UTIL_SLAB_MULTITHREADED = TRUE +}; + +/* The page is an array of blocks (allocations). */ +struct util_slab_page { + /* The header (linked-list pointers). */ + struct util_slab_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_slab_mempool { + /* Public members. */ + void *(*alloc)(struct util_slab_mempool *pool); + void (*free)(struct util_slab_mempool *pool, void *ptr); + + /* Private members. */ + struct util_slab_block *first_free; + + struct util_slab_page list; + + unsigned block_size; + unsigned page_size; + unsigned num_blocks; + unsigned num_pages; + enum util_slab_threading threading; + + pipe_mutex mutex; +}; + +void util_slab_create(struct util_slab_mempool *pool, + unsigned item_size, + unsigned num_blocks, + enum util_slab_threading threading); + +void util_slab_destroy(struct util_slab_mempool *pool); + +void util_slab_set_thread_safety(struct util_slab_mempool *pool, + enum util_slab_threading threading); + +#define util_slab_alloc(pool) (pool)->alloc(pool) +#define util_slab_free(pool, ptr) (pool)->free(pool, ptr) + +#endif -- cgit v1.2.3