1 /* $OpenBSD: fopen_test.c,v 1.2 2015/01/20 04:41:01 krw Exp $ */
2 /*
3 * Copyright (c) 2008 Bret S. Lambert <blambert@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 #include <stdio.h>
19 #include <pthread.h>
20 #include "local.h"
21
22 int
writefn(void * cookie,const char * buf,int size)23 writefn(void *cookie, const char *buf, int size)
24 {
25 return 0;
26 }
27
28 void
fopen_thread(void * v)29 fopen_thread(void *v)
30 {
31 FILE *file;
32 int i;
33
34 for (i = 0; i < 4096; i++) {
35 file = fwopen(&i, writefn);
36 if (file != NULL) {
37 fputc('0', file);
38 pthread_yield();
39 fclose(file);
40 }
41 }
42 }
43
44 int
main(void)45 main(void)
46 {
47 run_threads(fopen_thread, NULL);
48 exit(0);
49 }
50