1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 1998-2003 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <unistd.h>
32 #include <thread.h>
33
34 /*
35 * This file contains a general health check for the libmtmalloc.so.1 lib.
36 * It creates NCPUS worth of threads and has eadch perform 1000000 random
37 * small allocs and then free them.
38 *
39 * cc -O -o general general.c -lmtmalloc
40 */
41 #define N 1000000
42
43 void *be_thread(void *);
44
main(int argc,char ** argv)45 main(int argc, char ** argv)
46 {
47 int i;
48 thread_t tid[512]; /* We'll never have more than that! hah */
49
50 i = sysconf(_SC_NPROCESSORS_CONF);
51 srand(getpid());
52
53 while (i)
54 thr_create(NULL, 1<<23, be_thread, NULL, THR_BOUND, &tid[i--]);
55
56 while (thr_join(NULL, NULL, NULL) == 0);
57
58 exit(0);
59 }
60
61 /* ARGSUSED */
62 void *
be_thread(void * foo)63 be_thread(void * foo)
64 {
65 int i = N;
66 char *bar[N];
67
68 while (i--)
69 bar[i] = malloc(rand()%64);
70
71 i = N;
72 while (i--)
73 free(bar[i]);
74 }
75