projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| b0d623f7 A |
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 | ||
| 41 | typedef struct { | |
| 42 | int ts_semid; | |
| 43 | } tsd_t; | |
| 44 | ||
| 45 | int | |
| 46 | benchmark_init() | |
| 47 | { | |
| 48 | lm_tsdsize = sizeof (tsd_t); | |
| 49 | ||
| 50 | (void) sprintf(lm_usage, "notes: measures semop()\n"); | |
| 51 | ||
| 52 | return (0); | |
| 53 | } | |
| 54 | ||
| 55 | int | |
| 56 | benchmark_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 | ||
| 68 | int | |
| 69 | benchmark_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 | ||
| 78 | int | |
| 79 | benchmark(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 | } |