00001 /* 00002 * CDDL HEADER START 00003 * 00004 * The contents of this file are subject to the terms of the 00005 * Common Development and Distribution License, Version 1.0 only 00006 * (the "License"). You may not use this file except in compliance 00007 * with the License. 00008 * 00009 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 00010 * or http://www.opensolaris.org/os/licensing. 00011 * See the License for the specific language governing permissions 00012 * and limitations under the License. 00013 * 00014 * When distributing Covered Code, include this CDDL HEADER in each 00015 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 00016 * If applicable, add the following below this CDDL HEADER, with the 00017 * fields enclosed by brackets "[]" replaced with your own identifying 00018 * information: Portions Copyright [yyyy] [name of copyright owner] 00019 * 00020 * CDDL HEADER END 00021 */ 00022 /* 00023 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 00024 * Use is subject to license terms. 00025 */ 00026 00027 #ifndef _UMEM_BASE_H 00028 #define _UMEM_BASE_H 00029 00030 /* #pragma ident "@(#)umem_base.h 1.4 05/06/08 SMI" */ 00031 00032 #include <umem_impl.h> 00033 00034 #ifdef __cplusplus 00035 extern "C" { 00036 #endif 00037 00038 #include "misc.h" 00039 00040 extern size_t pagesize; 00041 #undef PAGESIZE 00042 #define PAGESIZE pagesize 00043 00044 /* 00045 * umem.c: non-tunables 00046 */ 00047 extern vmem_t *umem_memalign_arena; 00048 00049 extern int umem_ready; 00050 extern thread_t umem_init_thr; /* the thread doing the init */ 00051 00052 extern int umem_init(void); /* do umem's initialization */ 00053 /* #pragma rarely_called(umem_init) */ 00054 00055 extern umem_log_header_t *umem_transaction_log; 00056 extern umem_log_header_t *umem_content_log; 00057 extern umem_log_header_t *umem_failure_log; 00058 extern umem_log_header_t *umem_slab_log; 00059 00060 extern mutex_t umem_init_lock; 00061 00062 extern mutex_t umem_cache_lock; 00063 extern umem_cache_t umem_null_cache; 00064 00065 extern mutex_t umem_flags_lock; 00066 00067 extern mutex_t umem_update_lock; 00068 extern cond_t umem_update_cv; 00069 extern volatile thread_t umem_st_update_thr; 00070 extern thread_t umem_update_thr; 00071 extern struct timeval umem_update_next; 00072 00073 extern volatile hrtime_t umem_reap_next; 00074 extern volatile uint32_t umem_reaping; 00075 #define UMEM_REAP_DONE 0x00000000 /* inactive */ 00076 #define UMEM_REAP_ADDING 0x00000001 /* umem_reap() is active */ 00077 #define UMEM_REAP_ACTIVE 0x00000002 /* update thread is reaping */ 00078 00079 /* 00080 * umem.c: tunables 00081 */ 00082 extern uint32_t umem_max_ncpus; 00083 00084 extern uint32_t umem_stack_depth; 00085 extern uint32_t umem_reap_interval; 00086 extern uint32_t umem_update_interval; 00087 extern uint32_t umem_depot_contention; 00088 extern uint32_t umem_abort; 00089 extern uint32_t umem_output; 00090 extern uint32_t umem_logging; 00091 extern uint32_t umem_mtbf; 00092 extern size_t umem_transaction_log_size; 00093 extern size_t umem_content_log_size; 00094 extern size_t umem_failure_log_size; 00095 extern size_t umem_slab_log_size; 00096 extern size_t umem_content_maxsave; 00097 extern size_t umem_lite_minsize; 00098 extern size_t umem_lite_maxalign; 00099 extern size_t umem_maxverify; 00100 extern size_t umem_minfirewall; 00101 00102 extern uint32_t umem_flags; 00103 00104 /* 00105 * umem.c: Internal aliases (to avoid PLTs) 00106 */ 00107 extern void *_umem_alloc(size_t size, int umflags); 00108 extern void *_umem_zalloc(size_t size, int umflags); 00109 extern void _umem_free(void *buf, size_t size); 00110 00111 extern void *_umem_cache_alloc(umem_cache_t *cache, int flags); 00112 extern void _umem_cache_free(umem_cache_t *cache, void *buffer); 00113 00114 /* 00115 * umem.c: private interfaces 00116 */ 00117 extern void umem_type_init(caddr_t, size_t, size_t); 00118 extern int umem_get_max_ncpus(void); 00119 extern void umem_process_updates(void); 00120 extern void umem_cache_applyall(void (*)(umem_cache_t *)); 00121 extern void umem_cache_update(umem_cache_t *); 00122 00123 /* 00124 * umem_fork.c: private interfaces 00125 */ 00126 extern void umem_forkhandler_init(void); 00127 00128 /* 00129 * umem_update_thread.c 00130 */ 00131 extern int umem_create_update_thread(void); 00132 00133 /* 00134 * envvar.c: 00135 */ 00136 void umem_setup_envvars(int); 00137 void umem_process_envvars(void); 00138 00139 #ifdef __cplusplus 00140 } 00141 #endif 00142 00143 #endif /* _UMEM_BASE_H */