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 #include <stdio.h>
28 #include <stdlib.h>
29 #include <unistd.h>
30 #include <thread.h>
31
32 /*
33 * This file contains a general health check for the libmtmalloc.so.1 lib.
34 * It creates NCPUS worth of threads and has eadch perform 1000000 random
35 * small allocs and then free them.
36 *
37 * cc -O -o general general.c -lmtmalloc
38 */
39 #define N 1000000
40
41 void *be_thread(void *);
42
main(int argc,char ** argv)43 main(int argc, char ** argv)
44 {
45 int i;
46 thread_t tid[512]; /* We'll never have more than that! hah */
47
48 i = sysconf(_SC_NPROCESSORS_CONF);
49 srand(getpid());
50
51 while (i)
52 thr_create(NULL, 1<<23, be_thread, NULL, THR_BOUND, &tid[i--]);
53
54 while (thr_join(NULL, NULL, NULL) == 0);
55
56 exit(0);
57 }
58
59 /* ARGSUSED */
60 void *
be_thread(void * foo)61 be_thread(void * foo)
62 {
63 int i = N;
64 char *bar[N];
65
66 while (i--)
67 bar[i] = malloc(rand()%64);
68
69 i = N;
70 while (i--)
71 free(bar[i]);
72 }
73