1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _UMEM_H 28*0Sstevel@tonic-gate #define _UMEM_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <sys/types.h> 33*0Sstevel@tonic-gate #include <sys/vmem.h> 34*0Sstevel@tonic-gate #include <stdlib.h> 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #ifdef __cplusplus 37*0Sstevel@tonic-gate extern "C" { 38*0Sstevel@tonic-gate #endif 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #define UMEM_DEFAULT 0x0000 /* normal -- may fail */ 41*0Sstevel@tonic-gate #define UMEM_NOFAIL 0x0100 /* Never fails -- may call exit(2) */ 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate #define UMEM_FLAGS 0xffff /* all settable umem flags */ 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate extern void *umem_alloc(size_t, int); 46*0Sstevel@tonic-gate extern void *umem_alloc_align(size_t, size_t, int); 47*0Sstevel@tonic-gate extern void *umem_zalloc(size_t, int); 48*0Sstevel@tonic-gate extern void umem_free(void *, size_t); 49*0Sstevel@tonic-gate extern void umem_free_align(void *, size_t); 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate /* 52*0Sstevel@tonic-gate * Flags for umem_cache_create() 53*0Sstevel@tonic-gate */ 54*0Sstevel@tonic-gate #define UMC_NOTOUCH 0x00010000 55*0Sstevel@tonic-gate #define UMC_NODEBUG 0x00020000 56*0Sstevel@tonic-gate #define UMC_NOMAGAZINE 0x00040000 57*0Sstevel@tonic-gate #define UMC_NOHASH 0x00080000 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate struct umem_cache; /* cache structure is opaque to umem clients */ 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate typedef struct umem_cache umem_cache_t; 62*0Sstevel@tonic-gate typedef int umem_constructor_t(void *, void *, int); 63*0Sstevel@tonic-gate typedef void umem_destructor_t(void *, void *); 64*0Sstevel@tonic-gate typedef void umem_reclaim_t(void *); 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate typedef int umem_nofail_callback_t(void); 67*0Sstevel@tonic-gate #define UMEM_CALLBACK_RETRY 0 68*0Sstevel@tonic-gate #define UMEM_CALLBACK_EXIT(status) (0x100 | ((status) & 0xFF)) 69*0Sstevel@tonic-gate 70*0Sstevel@tonic-gate extern void umem_nofail_callback(umem_nofail_callback_t *); 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate extern umem_cache_t *umem_cache_create(char *, size_t, 73*0Sstevel@tonic-gate size_t, umem_constructor_t *, umem_destructor_t *, umem_reclaim_t *, 74*0Sstevel@tonic-gate void *, vmem_t *, int); 75*0Sstevel@tonic-gate extern void umem_cache_destroy(umem_cache_t *); 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate extern void *umem_cache_alloc(umem_cache_t *, int); 78*0Sstevel@tonic-gate extern void umem_cache_free(umem_cache_t *, void *); 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate extern void umem_reap(void); 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate #ifdef __cplusplus 83*0Sstevel@tonic-gate } 84*0Sstevel@tonic-gate #endif 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate #endif /* _UMEM_H */ 87