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      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 }
    104