17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #ifndef _UMEM_H 287c478bd9Sstevel@tonic-gate #define _UMEM_H 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #include <sys/types.h> 317c478bd9Sstevel@tonic-gate #include <sys/vmem.h> 327c478bd9Sstevel@tonic-gate #include <stdlib.h> 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate #ifdef __cplusplus 357c478bd9Sstevel@tonic-gate extern "C" { 367c478bd9Sstevel@tonic-gate #endif 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate #define UMEM_DEFAULT 0x0000 /* normal -- may fail */ 397c478bd9Sstevel@tonic-gate #define UMEM_NOFAIL 0x0100 /* Never fails -- may call exit(2) */ 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate #define UMEM_FLAGS 0xffff /* all settable umem flags */ 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate extern void *umem_alloc(size_t, int); 447c478bd9Sstevel@tonic-gate extern void *umem_alloc_align(size_t, size_t, int); 457c478bd9Sstevel@tonic-gate extern void *umem_zalloc(size_t, int); 467c478bd9Sstevel@tonic-gate extern void umem_free(void *, size_t); 477c478bd9Sstevel@tonic-gate extern void umem_free_align(void *, size_t); 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate /* 507c478bd9Sstevel@tonic-gate * Flags for umem_cache_create() 517c478bd9Sstevel@tonic-gate */ 527c478bd9Sstevel@tonic-gate #define UMC_NOTOUCH 0x00010000 537c478bd9Sstevel@tonic-gate #define UMC_NODEBUG 0x00020000 547c478bd9Sstevel@tonic-gate #define UMC_NOMAGAZINE 0x00040000 557c478bd9Sstevel@tonic-gate #define UMC_NOHASH 0x00080000 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate struct umem_cache; /* cache structure is opaque to umem clients */ 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate typedef struct umem_cache umem_cache_t; 607c478bd9Sstevel@tonic-gate typedef int umem_constructor_t(void *, void *, int); 617c478bd9Sstevel@tonic-gate typedef void umem_destructor_t(void *, void *); 627c478bd9Sstevel@tonic-gate typedef void umem_reclaim_t(void *); 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate typedef int umem_nofail_callback_t(void); 657c478bd9Sstevel@tonic-gate #define UMEM_CALLBACK_RETRY 0 667c478bd9Sstevel@tonic-gate #define UMEM_CALLBACK_EXIT(status) (0x100 | ((status) & 0xFF)) 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate extern void umem_nofail_callback(umem_nofail_callback_t *); 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate extern umem_cache_t *umem_cache_create(char *, size_t, 717c478bd9Sstevel@tonic-gate size_t, umem_constructor_t *, umem_destructor_t *, umem_reclaim_t *, 727c478bd9Sstevel@tonic-gate void *, vmem_t *, int); 737c478bd9Sstevel@tonic-gate extern void umem_cache_destroy(umem_cache_t *); 747c478bd9Sstevel@tonic-gate 757c478bd9Sstevel@tonic-gate extern void *umem_cache_alloc(umem_cache_t *, int); 767c478bd9Sstevel@tonic-gate extern void umem_cache_free(umem_cache_t *, void *); 777c478bd9Sstevel@tonic-gate 787c478bd9Sstevel@tonic-gate extern void umem_reap(void); 797c478bd9Sstevel@tonic-gate 80*14702342SRobert Mustacchi extern void umem_setmtbf(uint32_t); 81*14702342SRobert Mustacchi 827c478bd9Sstevel@tonic-gate #ifdef __cplusplus 837c478bd9Sstevel@tonic-gate } 847c478bd9Sstevel@tonic-gate #endif 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate #endif /* _UMEM_H */ 87