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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright (c) 2014 Joyent, Inc. All rights reserved.
*/
/*
* Ensure that we can do a basic open of the device for read, write, and
* read/write.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <stdio.h>
#include <strings.h>
#include <unistd.h>
#define VND_PATH "/dev/vnd/ctl"
int
main(void)
{
int fd;
fd = open(VND_PATH, O_RDONLY);
if (fd < 0) {
(void) fprintf(stderr, "failed to open %s read only: %s\n",
VND_PATH, strerror(errno));
return (1);
}
if (close(fd) != 0) {
(void) fprintf(stderr, "failed to close vnd fd: %s\n",
strerror(errno));
return (1);
}
fd = open(VND_PATH, O_RDWR);
if (fd < 0) {
(void) fprintf(stderr, "failed to open %s read/write: %s\n",
VND_PATH, strerror(errno));
return (1);
}
if (close(fd) != 0) {
(void) fprintf(stderr, "failed to close vnd fd: %s\n",
strerror(errno));
return (1);
}
fd = open(VND_PATH, O_WRONLY);
if (fd < 0) {
(void) fprintf(stderr, "failed to open %s write only: %s\n",
VND_PATH, strerror(errno));
return (1);
}
if (close(fd) != 0) {
(void) fprintf(stderr, "failed to close vnd fd: %s\n",
strerror(errno));
return (1);
}
return (0);
}
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