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/*
32 * time dup
33 */
34
35#include <unistd.h>
36#include <stdlib.h>
37#include <stdio.h>
38#include <fcntl.h>
39
40#include "libmicro.h"
41
42#define	DEFF			"/dev/null"
43static char			*optf = DEFF;
44
45static int			fd;
46
47typedef struct {
48	int			ts_once;
49	int			*ts_fds;
50} tsd_t;
51
52int
53benchmark_init()
54{
55	lm_tsdsize = sizeof (tsd_t);
56
57	lm_defB = 256;
58
59	(void) sprintf(lm_optstr, "f:");
60
61	(void) sprintf(lm_usage,
62	    "       [-f file-to-dup (default %s)]\n"
63	    "notes: measures dup()\n",
64	    DEFF);
65
66	return (0);
67}
68
69int
70benchmark_optswitch(int opt, char *optarg)
71{
72	switch (opt) {
73	case 'f':
74		optf = optarg;
75		break;
76	default:
77		return (-1);
78	}
79	return (0);
80}
81
82int
83benchmark_initrun()
84{
85	(void) setfdlimit(lm_optB * lm_optT + 10);
86	fd = (open(optf, O_RDONLY));
87
88	return (0);
89}
90
91int
92benchmark_initbatch(void *tsd)
93{
94	tsd_t			*ts = (tsd_t *)tsd;
95	int			i;
96	int			errors = 0;
97
98	if (ts->ts_once++ == 0) {
99		ts->ts_fds = (int *)malloc(lm_optB * sizeof (int));
100		if (ts->ts_fds == NULL) {
101			errors ++;
102		}
103		for (i = 0; i < lm_optB; i++) {
104			ts->ts_fds[i] = -1;
105		}
106	}
107
108	return (errors);
109}
110
111int
112benchmark(void *tsd, result_t *res)
113{
114	tsd_t			*ts = (tsd_t *)tsd;
115	int			i;
116
117	for (i = 0; i < lm_optB; i++) {
118		ts->ts_fds[i] = dup(fd);
119		if (ts->ts_fds[i] == -1) {
120			res->re_errors++;
121		}
122	}
123	res->re_count = i;
124
125	return (0);
126}
127
128int
129benchmark_finibatch(void *tsd)
130{
131	tsd_t			*ts = (tsd_t *)tsd;
132	int			i;
133
134	for (i = 0; i < lm_optB; i++) {
135		(void) close(ts->ts_fds[i]);
136	}
137
138	return (0);
139}
140