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      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 
     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 *
     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