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