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109 lines
3.0 KiB
C
109 lines
3.0 KiB
C
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/*
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* Copyright (C) 2001 Jason Evans <jasone@freebsd.org>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice(s), this list of conditions and the following disclaimer as
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* the first lines of this file unmodified other than the possible
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* addition of one or more copyright notices.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice(s), this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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* Test for leaked joined threads.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <pthread.h>
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#define NITERATIONS 16384
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#define MAXGROWTH 16384
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void *
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thread_entry(void *a_arg)
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{
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return NULL;
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}
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int
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main(void)
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{
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pthread_t thread;
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int i, error;
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char *brk, *nbrk;
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unsigned growth;
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fprintf(stderr, "Test begin\n");
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/* Get an initial brk value. */
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brk = sbrk(0);
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/* Create threads and join them, one at a time. */
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for (i = 0; i < NITERATIONS; i++) {
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if ((error = pthread_create(&thread, NULL, thread_entry, NULL))
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!= 0) {
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fprintf(stderr, "Error in pthread_create(): %s\n",
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strerror(error));
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exit(1);
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}
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if ((error = pthread_join(thread, NULL)) != 0) {
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fprintf(stderr, "Error in pthread_join(): %s\n",
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strerror(error));
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exit(1);
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}
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}
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/* Get a final brk value. */
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nbrk = sbrk(0);
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/*
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* Check that the amount of heap space allocated is below an acceptable
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* threshold. We could just compare brk and nbrk, but the test could
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* conceivably break if the internals of the threads library changes.
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*/
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if (nbrk > brk) {
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/* Heap grows up. */
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growth = nbrk - brk;
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} else if (nbrk <= brk) {
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/* Heap grows down, or no growth. */
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growth = brk - nbrk;
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}
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if (growth > MAXGROWTH) {
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fprintf(stderr, "Heap growth exceeded maximum (%u > %u)\n",
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growth, MAXGROWTH);
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}
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#if (0)
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else {
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fprintf(stderr, "Heap growth acceptable (%u <= %u)\n",
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growth, MAXGROWTH);
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}
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#endif
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fprintf(stderr, "Test end\n");
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return 0;
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}
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