mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2026-01-25 10:12:13 +03:00
951a3889d1
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Closes #13411
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or http://www.opensolaris.org/os/licensing.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2015 STRATO AG.
|
|
*/
|
|
#include <err.h>
|
|
#include <fcntl.h>
|
|
#include <libzfs.h>
|
|
#include <sys/resource.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
/*
|
|
* Check if libzfs works with more than 255 held file handles.
|
|
*/
|
|
int
|
|
main(void)
|
|
{
|
|
struct rlimit limit = {
|
|
.rlim_cur = 64 * 1024,
|
|
.rlim_max = 64 * 1024,
|
|
};
|
|
if (setrlimit(RLIMIT_NOFILE, &limit) != 0)
|
|
err(1, "setrlimit()");
|
|
|
|
int fd = open("/dev/null", O_RDONLY);
|
|
if (fd == -1)
|
|
err(1, "open()");
|
|
for (int i = 0; i < limit.rlim_cur / 2; ++i)
|
|
if (dup(fd) == -1)
|
|
err(1, "dup()");
|
|
|
|
libzfs_handle_t *h = libzfs_init();
|
|
if (h == NULL)
|
|
err(1, "libzfs_init()");
|
|
|
|
libzfs_fini(h);
|
|
}
|