xref: /onnv-gate/usr/src/lib/libmtmalloc/tests/general.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1998-2003 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <stdio.h>
30*0Sstevel@tonic-gate #include <stdlib.h>
31*0Sstevel@tonic-gate #include <unistd.h>
32*0Sstevel@tonic-gate #include <thread.h>
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate /*
35*0Sstevel@tonic-gate  * This file contains a general health check for the libmtmalloc.so.1 lib.
36*0Sstevel@tonic-gate  * It creates NCPUS worth of threads and has eadch perform 1000000 random
37*0Sstevel@tonic-gate  * small allocs and then free them.
38*0Sstevel@tonic-gate  *
39*0Sstevel@tonic-gate  * cc -O -o general general.c -lmtmalloc
40*0Sstevel@tonic-gate  */
41*0Sstevel@tonic-gate #define	N	1000000
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate void *be_thread(void *);
44*0Sstevel@tonic-gate 
main(int argc,char ** argv)45*0Sstevel@tonic-gate main(int argc, char ** argv)
46*0Sstevel@tonic-gate {
47*0Sstevel@tonic-gate 	int i;
48*0Sstevel@tonic-gate 	thread_t tid[512];	/* We'll never have more than that! hah */
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate 	i = sysconf(_SC_NPROCESSORS_CONF);
51*0Sstevel@tonic-gate 	srand(getpid());
52*0Sstevel@tonic-gate 
53*0Sstevel@tonic-gate 	while (i)
54*0Sstevel@tonic-gate 		thr_create(NULL, 1<<23, be_thread, NULL, THR_BOUND, &tid[i--]);
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate 	while (thr_join(NULL, NULL, NULL) == 0);
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate 	exit(0);
59*0Sstevel@tonic-gate }
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate /* ARGSUSED */
62*0Sstevel@tonic-gate void *
be_thread(void * foo)63*0Sstevel@tonic-gate be_thread(void * foo)
64*0Sstevel@tonic-gate {
65*0Sstevel@tonic-gate 	int i = N;
66*0Sstevel@tonic-gate 	char *bar[N];
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate 	while (i--)
69*0Sstevel@tonic-gate 		bar[i] = malloc(rand()%64);
70*0Sstevel@tonic-gate 
71*0Sstevel@tonic-gate 	i = N;
72*0Sstevel@tonic-gate 	while (i--)
73*0Sstevel@tonic-gate 		free(bar[i]);
74*0Sstevel@tonic-gate }
75