1*bde3d612SSimon Klinkert /*
2*bde3d612SSimon Klinkert * CDDL HEADER START
3*bde3d612SSimon Klinkert *
4*bde3d612SSimon Klinkert * The contents of this file are subject to the terms of the
5*bde3d612SSimon Klinkert * Common Development and Distribution License (the "License").
6*bde3d612SSimon Klinkert * You may not use this file except in compliance with the License.
7*bde3d612SSimon Klinkert *
8*bde3d612SSimon Klinkert * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*bde3d612SSimon Klinkert * or http://www.opensolaris.org/os/licensing.
10*bde3d612SSimon Klinkert * See the License for the specific language governing permissions
11*bde3d612SSimon Klinkert * and limitations under the License.
12*bde3d612SSimon Klinkert *
13*bde3d612SSimon Klinkert * When distributing Covered Code, include this CDDL HEADER in each
14*bde3d612SSimon Klinkert * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*bde3d612SSimon Klinkert * If applicable, add the following below this CDDL HEADER, with the
16*bde3d612SSimon Klinkert * fields enclosed by brackets "[]" replaced with your own identifying
17*bde3d612SSimon Klinkert * information: Portions Copyright [yyyy] [name of copyright owner]
18*bde3d612SSimon Klinkert *
19*bde3d612SSimon Klinkert * CDDL HEADER END
20*bde3d612SSimon Klinkert */
21*bde3d612SSimon Klinkert
22*bde3d612SSimon Klinkert /*
23*bde3d612SSimon Klinkert * Copyright (C) 2015 STRATO AG.
24*bde3d612SSimon Klinkert */
25*bde3d612SSimon Klinkert #include <stdlib.h>
26*bde3d612SSimon Klinkert #include <stdio.h>
27*bde3d612SSimon Klinkert #include <unistd.h>
28*bde3d612SSimon Klinkert #include <sys/types.h>
29*bde3d612SSimon Klinkert #include <sys/stat.h>
30*bde3d612SSimon Klinkert #include <fcntl.h>
31*bde3d612SSimon Klinkert #include <libzfs.h>
32*bde3d612SSimon Klinkert #include <sys/resource.h>
33*bde3d612SSimon Klinkert #include <errno.h>
34*bde3d612SSimon Klinkert
35*bde3d612SSimon Klinkert /*
36*bde3d612SSimon Klinkert * Check if libzfs works with more than 255 held file handles.
37*bde3d612SSimon Klinkert */
38*bde3d612SSimon Klinkert /* ARGSUSED */
39*bde3d612SSimon Klinkert int
main(int argc,char ** argv)40*bde3d612SSimon Klinkert main(int argc, char **argv)
41*bde3d612SSimon Klinkert {
42*bde3d612SSimon Klinkert int i;
43*bde3d612SSimon Klinkert struct rlimit limit;
44*bde3d612SSimon Klinkert libzfs_handle_t *h;
45*bde3d612SSimon Klinkert
46*bde3d612SSimon Klinkert limit.rlim_cur = 65535;
47*bde3d612SSimon Klinkert limit.rlim_max = 65535;
48*bde3d612SSimon Klinkert
49*bde3d612SSimon Klinkert if (setrlimit(RLIMIT_NOFILE, &limit) != 0) {
50*bde3d612SSimon Klinkert (void) printf("many_fds: setrlimit() failed with errno=%d\n",
51*bde3d612SSimon Klinkert errno);
52*bde3d612SSimon Klinkert exit(1);
53*bde3d612SSimon Klinkert }
54*bde3d612SSimon Klinkert
55*bde3d612SSimon Klinkert for (i = 0; i < 255; ++i) {
56*bde3d612SSimon Klinkert int fd = open("/dev/null", O_RDONLY);
57*bde3d612SSimon Klinkert if (fd == -1) {
58*bde3d612SSimon Klinkert (void) printf("open failed with errno=%d\n", errno);
59*bde3d612SSimon Klinkert return (1);
60*bde3d612SSimon Klinkert }
61*bde3d612SSimon Klinkert }
62*bde3d612SSimon Klinkert
63*bde3d612SSimon Klinkert h = libzfs_init();
64*bde3d612SSimon Klinkert
65*bde3d612SSimon Klinkert if (h != NULL) {
66*bde3d612SSimon Klinkert libzfs_fini(h);
67*bde3d612SSimon Klinkert return (0);
68*bde3d612SSimon Klinkert } else {
69*bde3d612SSimon Klinkert (void) printf("many_fds: libzfs_init() failed with errno=%d\n",
70*bde3d612SSimon Klinkert errno);
71*bde3d612SSimon Klinkert return (1);
72*bde3d612SSimon Klinkert }
73*bde3d612SSimon Klinkert }
74