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 2002 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 _HTBL_H 28*0Sstevel@tonic-gate #define _HTBL_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifdef __cplusplus 33*0Sstevel@tonic-gate extern "C" { 34*0Sstevel@tonic-gate #endif 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include <stdlib.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate typedef struct hentry { 39*0Sstevel@tonic-gate struct hentry *next; /* next entry in hash chain */ 40*0Sstevel@tonic-gate struct hentry *prev; /* previous entry in hash chain */ 41*0Sstevel@tonic-gate char *lib; /* library name */ 42*0Sstevel@tonic-gate char *key; /* hash key (function name) */ 43*0Sstevel@tonic-gate unsigned long count; /* number of occurances of fn */ 44*0Sstevel@tonic-gate } hentry_t; 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate typedef struct hashb { 47*0Sstevel@tonic-gate hentry_t *first; /* first entry in bucket */ 48*0Sstevel@tonic-gate mutex_t block; /* bucket lock */ 49*0Sstevel@tonic-gate } hashb_t; 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate typedef struct htbl { 52*0Sstevel@tonic-gate unsigned int size; /* size of tbl in buckets */ 53*0Sstevel@tonic-gate hashb_t *tbl; /* ptr to buckets */ 54*0Sstevel@tonic-gate } htbl_t; 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate typedef struct hiter { 57*0Sstevel@tonic-gate int bucket; /* bucket in current iteration */ 58*0Sstevel@tonic-gate hentry_t *next; /* next entry in iteration */ 59*0Sstevel@tonic-gate htbl_t *table; /* ptr to table */ 60*0Sstevel@tonic-gate } hiter_t; 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate /* 63*0Sstevel@tonic-gate * HD_hashntry specifies that the entry written to disk contains information 64*0Sstevel@tonic-gate * about function calls and is stored in the hash table. When read back from 65*0Sstevel@tonic-gate * disk this is merged into the parent's hash table 66*0Sstevel@tonic-gate * 67*0Sstevel@tonic-gate * HD_cts_syscts specifies that the entry written to disk is a struct counts 68*0Sstevel@tonic-gate * struct syscount pair. This contains information about system calls, 69*0Sstevel@tonic-gate * signals, and faults. When read back from disk, the information is added 70*0Sstevel@tonic-gate * to the struct count / struct syscount information kept by the parent. 71*0Sstevel@tonic-gate */ 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate typedef enum hdtype { HD_hashntry, HD_cts_syscts } hdtype_t; 74*0Sstevel@tonic-gate 75*0Sstevel@tonic-gate typedef struct hdntry { 76*0Sstevel@tonic-gate hdtype_t type; /* type of entry we've written to disk */ 77*0Sstevel@tonic-gate size_t sz_lib; /* size of library string on disk */ 78*0Sstevel@tonic-gate size_t sz_key; /* size of key string on disk */ 79*0Sstevel@tonic-gate unsigned long count; /* count of occurrances of key */ 80*0Sstevel@tonic-gate } hdntry_t; 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate extern htbl_t *init_hash(unsigned int); 84*0Sstevel@tonic-gate extern void destroy_hash(htbl_t *); 85*0Sstevel@tonic-gate extern hiter_t *iterate_hash(htbl_t *); 86*0Sstevel@tonic-gate extern hentry_t *iter_next(hiter_t *); 87*0Sstevel@tonic-gate extern void iter_free(hiter_t *); 88*0Sstevel@tonic-gate extern void add_fcall(htbl_t *, char *, char *, unsigned long); 89*0Sstevel@tonic-gate extern size_t elements_in_table(htbl_t *); 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate #ifdef __cplusplus 92*0Sstevel@tonic-gate } 93*0Sstevel@tonic-gate #endif 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate #endif /* _HTBL_H */ 96