4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
29 #pragma ident "%Z%%M% %I% %E% SMI"
31 #include <umem_impl.h>
39 extern size_t pagesize;
41 #define PAGESIZE pagesize
44 * umem.c: non-tunables
46 extern vmem_t *umem_memalign_arena;
48 extern int umem_ready;
49 extern thread_t umem_init_thr; /* the thread doing the init */
51 extern int umem_init(void); /* do umem's initialization */
52 #pragma rarely_called(umem_init)
54 extern umem_log_header_t *umem_transaction_log;
55 extern umem_log_header_t *umem_content_log;
56 extern umem_log_header_t *umem_failure_log;
57 extern umem_log_header_t *umem_slab_log;
59 extern mutex_t umem_init_lock;
61 extern mutex_t umem_cache_lock;
62 extern umem_cache_t umem_null_cache;
64 extern mutex_t umem_flags_lock;
66 extern mutex_t umem_update_lock;
67 extern cond_t umem_update_cv;
68 extern volatile thread_t umem_st_update_thr;
69 extern thread_t umem_update_thr;
70 extern struct timeval umem_update_next;
72 extern volatile hrtime_t umem_reap_next;
73 extern volatile uint32_t umem_reaping;
74 #define UMEM_REAP_DONE 0x00000000 /* inactive */
75 #define UMEM_REAP_ADDING 0x00000001 /* umem_reap() is active */
76 #define UMEM_REAP_ACTIVE 0x00000002 /* update thread is reaping */
81 extern uint32_t umem_max_ncpus;
83 extern uint32_t umem_stack_depth;
84 extern uint32_t umem_reap_interval;
85 extern uint32_t umem_update_interval;
86 extern uint32_t umem_depot_contention;
87 extern uint32_t umem_abort;
88 extern uint32_t umem_output;
89 extern uint32_t umem_logging;
90 extern uint32_t umem_mtbf;
91 extern size_t umem_transaction_log_size;
92 extern size_t umem_content_log_size;
93 extern size_t umem_failure_log_size;
94 extern size_t umem_slab_log_size;
95 extern size_t umem_content_maxsave;
96 extern size_t umem_lite_minsize;
97 extern size_t umem_lite_maxalign;
98 extern size_t umem_maxverify;
99 extern size_t umem_minfirewall;
101 extern uint32_t umem_flags;
104 * umem.c: Internal aliases (to avoid PLTs)
106 extern void *_umem_alloc(size_t size, int umflags);
107 extern void *_umem_zalloc(size_t size, int umflags);
108 extern void _umem_free(void *buf, size_t size);
110 extern void *_umem_cache_alloc(umem_cache_t *cache, int flags);
111 extern void _umem_cache_free(umem_cache_t *cache, void *buffer);
114 * umem.c: private interfaces
116 extern void umem_type_init(caddr_t, size_t, size_t);
117 extern int umem_get_max_ncpus(void);
118 extern void umem_process_updates(void);
119 extern void umem_cache_applyall(void (*)(umem_cache_t *));
120 extern void umem_cache_update(umem_cache_t *);
122 extern void umem_alloc_sizes_add(size_t);
123 extern void umem_alloc_sizes_clear(void);
124 extern void umem_alloc_sizes_remove(size_t);
127 * umem_fork.c: private interfaces
129 extern void umem_forkhandler_init(void);
132 * umem_update_thread.c
134 extern int umem_create_update_thread(void);
139 void umem_setup_envvars(int);
140 void umem_process_envvars(void);
146 #endif /* _UMEM_BASE_H */