1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms 5 * of the Common Development and Distribution License 6 * (the "License"). You may not use this file except 7 * in compliance with the License. 8 * 9 * You can obtain a copy of the license at 10 * src/OPENSOLARIS.LICENSE 11 * or http://www.opensolaris.org/os/licensing. 12 * See the License for the specific language governing 13 * permissions and limitations under the License. 14 * 15 * When distributing Covered Code, include this CDDL 16 * HEADER in each file and include the License file at 17 * usr/src/OPENSOLARIS.LICENSE. If applicable, 18 * add the following below this CDDL HEADER, with the 19 * fields enclosed by brackets "[]" replaced with your 20 * own identifying information: Portions Copyright [yyyy] 21 * [name of copyright owner] 22 * 23 * CDDL HEADER END 24 */ 25 26/* 27 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31#include <unistd.h> 32#include <stdlib.h> 33#include <stdio.h> 34#include <sys/types.h> 35#include <sys/ipc.h> 36#include <sys/sem.h> 37 38#include "libmicro.h" 39 40 41typedef struct { 42 int ts_semid; 43} tsd_t; 44 45int 46benchmark_init() 47{ 48 lm_tsdsize = sizeof (tsd_t); 49 50 (void) sprintf(lm_usage, "notes: measures semop()\n"); 51 52 return (0); 53} 54 55int 56benchmark_initbatch(void *tsd) 57{ 58 59 tsd_t *ts = (tsd_t *)tsd; 60 61 if ((ts->ts_semid = semget(IPC_PRIVATE, 2, 0600)) == -1) { 62 return (-1); 63 } 64 65 return (0); 66} 67 68int 69benchmark_finibatch(void *tsd) 70{ 71 tsd_t *ts = (tsd_t *)tsd; 72 73 (void) semctl(ts->ts_semid, 0, IPC_RMID); 74 75 return (0); 76} 77 78int 79benchmark(void *tsd, result_t *res) 80{ 81 int i; 82 tsd_t *ts = (tsd_t *)tsd; 83 struct sembuf s[1]; 84 85 for (i = 0; i < lm_optB; i++) { 86 s[0].sem_num = 0; 87 s[0].sem_op = 1; 88 s[0].sem_flg = 0; 89 if (semop(ts->ts_semid, s, 1) == -1) { 90 res->re_errors++; 91 } 92 s[0].sem_num = 0; 93 s[0].sem_op = -1; 94 s[0].sem_flg = 0; 95 if (semop(ts->ts_semid, s, 1) == -1) { 96 res->re_errors++; 97 } 98 } 99 100 res->re_count += lm_optB; 101 102 return (0); 103} 104