143 lines
3.7 KiB
C
143 lines
3.7 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _UMEM_BASE_H
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#define _UMEM_BASE_H
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/* #pragma ident "@(#)umem_base.h 1.4 05/06/08 SMI" */
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#include <umem_impl.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "misc.h"
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extern size_t pagesize;
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#undef PAGESIZE
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#define PAGESIZE pagesize
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/*
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* umem.c: non-tunables
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*/
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extern vmem_t *umem_memalign_arena;
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extern int umem_ready;
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extern thread_t umem_init_thr; /* the thread doing the init */
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extern int umem_init(void); /* do umem's initialization */
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/* #pragma rarely_called(umem_init) */
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extern umem_log_header_t *umem_transaction_log;
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extern umem_log_header_t *umem_content_log;
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extern umem_log_header_t *umem_failure_log;
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extern umem_log_header_t *umem_slab_log;
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extern mutex_t umem_init_lock;
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extern mutex_t umem_cache_lock;
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extern umem_cache_t umem_null_cache;
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extern mutex_t umem_flags_lock;
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extern mutex_t umem_update_lock;
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extern cond_t umem_update_cv;
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extern volatile thread_t umem_st_update_thr;
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extern thread_t umem_update_thr;
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extern struct timeval umem_update_next;
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extern volatile hrtime_t umem_reap_next;
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extern volatile uint32_t umem_reaping;
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#define UMEM_REAP_DONE 0x00000000 /* inactive */
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#define UMEM_REAP_ADDING 0x00000001 /* umem_reap() is active */
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#define UMEM_REAP_ACTIVE 0x00000002 /* update thread is reaping */
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/*
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* umem.c: tunables
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*/
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extern uint32_t umem_max_ncpus;
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extern uint32_t umem_stack_depth;
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extern uint32_t umem_reap_interval;
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extern uint32_t umem_update_interval;
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extern uint32_t umem_depot_contention;
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extern uint32_t umem_abort;
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extern uint32_t umem_output;
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extern uint32_t umem_logging;
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extern uint32_t umem_mtbf;
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extern size_t umem_transaction_log_size;
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extern size_t umem_content_log_size;
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extern size_t umem_failure_log_size;
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extern size_t umem_slab_log_size;
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extern size_t umem_content_maxsave;
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extern size_t umem_lite_minsize;
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extern size_t umem_lite_maxalign;
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extern size_t umem_maxverify;
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extern size_t umem_minfirewall;
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extern uint32_t umem_flags;
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/*
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* umem.c: Internal aliases (to avoid PLTs)
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*/
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extern void *_umem_alloc(size_t size, int umflags);
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extern void *_umem_zalloc(size_t size, int umflags);
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extern void _umem_free(void *buf, size_t size);
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extern void *_umem_cache_alloc(umem_cache_t *cache, int flags);
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extern void _umem_cache_free(umem_cache_t *cache, void *buffer);
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/*
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* umem.c: private interfaces
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*/
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extern void umem_type_init(caddr_t, size_t, size_t);
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extern int umem_get_max_ncpus(void);
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extern void umem_process_updates(void);
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extern void umem_cache_applyall(void (*)(umem_cache_t *));
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extern void umem_cache_update(umem_cache_t *);
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/*
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* umem_fork.c: private interfaces
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*/
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extern void umem_forkhandler_init(void);
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/*
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* umem_update_thread.c
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*/
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extern int umem_create_update_thread(void);
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/*
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* envvar.c:
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*/
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void umem_setup_envvars(int);
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void umem_process_envvars(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _UMEM_BASE_H */
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