/* mpscmv2.h: MEMORY POOL SYSTEM CLASS "MVT" * * $Id$ * Copyright (c) 2001 Ravenbrook Limited. See end of file for license. */ #ifndef mpscmv2_h #define mpscmv2_h #include "mps.h" /* The mvt pool class has five extra parameters to mps_pool_create: * mps_res_t mps_pool_create(mps_pool_t * pool, mps_arena_t arena, * mps_class_t mvt_class, * size_t minimum_size, * size_t mean_size, * size_t maximum_size, * mps_count_t reserve_depth * mps_count_t fragmentation_limit); * minimum_, mean_, and maximum_size are the mimimum, mean, and * maximum (typical) size of objects expected to be allocated in the * pool. reserve_depth is a measure of the expected hysteresis of the * object population. fragmentation_limit is a percentage (between 0 * and 100): if the free space managed by the pool exceeds the * specified percentage, the pool will resort to a "first fit" * allocation policy. */ extern mps_class_t mps_class_mvt(void); /* The mvt pool class supports two extensions to the pool protocol: size and free_size. */ extern size_t mps_mvt_free_size(mps_pool_t mps_pool); extern size_t mps_mvt_size(mps_pool_t mps_pool); #endif /* mpscmv2_h */ /* C. COPYRIGHT AND LICENSE * * Copyright (C) 2001-2002 Ravenbrook Limited . * All rights reserved. This is an open source license. Contact * Ravenbrook for commercial licensing options. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Redistributions in any form must be accompanied by information on how * to obtain complete source code for this software and any accompanying * software that uses this software. The source code must either be * included in the distribution or be available for no more than the cost * of distribution plus a nominal fee, and must be freely redistributable * under reasonable conditions. For an executable file, complete source * code means the source code for all modules it contains. It does not * include source code for modules or files that typically accompany the * major components of the operating system on which the executable file * runs. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */