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 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 * 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