/*- * Copyright (c) 2009-2010 Brad Penoff * Copyright (c) 2009-2010 Humaira Kamal * Copyright (c) 2011-2012 Irene Ruengeler * Copyright (c) 2011-2012 Michael Tuexen * * All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR 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.
*/
#ifndef _USER_UMA_H_ #define _USER_UMA_H_
#define UMA_ZFLAG_FULL 0x40000000 /* Reached uz_maxpages */ #define UMA_ALIGN_PTR (sizeof(void *) - 1) /* Alignment fit for ptr */
/* __Userspace__ All these definitions will change for userspace Universal Memory Allocator (UMA). These are included for reference purposes and to avoid compile errors for the time being.
*/ typedefint (*uma_ctor)(void *mem, int size, void *arg, int flags); typedefvoid (*uma_dtor)(void *mem, int size, void *arg); typedefint (*uma_init)(void *mem, int size, int flags); typedefvoid (*uma_fini)(void *mem, int size); typedefstruct uma_zone * uma_zone_t; typedefstruct uma_keg * uma_keg_t;
struct uma_cache { int stub; /* TODO __Userspace__ */
};
struct uma_keg { int stub; /* TODO __Userspace__ */
};
struct uma_zone { char *uz_name; /* Text name of the zone */ struct mtx *uz_lock; /* Lock for the zone (keg's lock) */
uma_keg_t uz_keg; /* Our underlying Keg */
LIST_ENTRY(uma_zone) uz_link; /* List of all zones in keg */
LIST_HEAD(,uma_bucket) uz_full_bucket; /* full buckets */
LIST_HEAD(,uma_bucket) uz_free_bucket; /* Buckets for frees */
uma_ctor uz_ctor; /* Constructor for each allocation */
uma_dtor uz_dtor; /* Destructor */
uma_init uz_init; /* Initializer for each item */
uma_fini uz_fini; /* Discards memory */
u_int64_t uz_allocs; /* Total number of allocations */
u_int64_t uz_frees; /* Total number of frees */
u_int64_t uz_fails; /* Total number of alloc failures */
uint16_t uz_fills; /* Outstanding bucket fills */
uint16_t uz_count; /* Highest value ub_ptr can have */
/* * This HAS to be the last item because we adjust the zone size * based on NCPU and then allocate the space for the zones.
*/ struct uma_cache uz_cpu[1]; /* Per cpu caches */
};
#define uma_zone_set_max(zone, number) /* stub TODO __Userspace__ */
uma_zone_t
uma_zcreate(char *name, size_t size, uma_ctor ctor, uma_dtor dtor,
uma_init uminit, uma_fini fini, int align, uint32_t flags) { return NULL; /* stub TODO __Userspace__. Also place implementation in a separate .c file */
} #endif
Messung V0.5
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet)
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.