/* * 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. */ /* * Make sure that we can't open the vnd control device with invalid flags. */ #include #include #include #include #include #define VND_PATH "/dev/vnd/ctl" int main(void) { int fd; fd = open(VND_PATH, O_RDONLY | O_EXCL); if (fd != -1) { (void) fprintf(stderr, "somehow opened vnd O_EXCL!"); return (1); } fd = open(VND_PATH, O_RDWR | O_EXCL); if (fd != -1) { (void) fprintf(stderr, "somehow opened vnd O_EXCL!"); return (1); } fd = open(VND_PATH, O_WRONLY | O_EXCL); if (fd != -1) { (void) fprintf(stderr, "somehow opened vnd O_EXCL!"); return (1); } fd = open(VND_PATH, O_RDONLY | O_NDELAY); if (fd != -1) { (void) fprintf(stderr, "somehow opened vnd O_NDELAY!"); return (1); } fd = open(VND_PATH, O_RDWR | O_NDELAY); if (fd != -1) { (void) fprintf(stderr, "somehow opened vnd O_NDELAY!"); return (1); } fd = open(VND_PATH, O_WRONLY | O_NDELAY); if (fd != -1) { (void) fprintf(stderr, "somehow opened vnd O_NDELAY!"); return (1); } fd = open(VND_PATH, O_RDONLY | O_NDELAY | O_EXCL); if (fd != -1) { (void) fprintf(stderr, "somehow opened vnd O_NDELAY | O_EXCL!"); return (1); } fd = open(VND_PATH, O_RDWR | O_NDELAY | O_EXCL); if (fd != -1) { (void) fprintf(stderr, "somehow opened vnd O_NDELAY | O_EXCL!"); return (1); } fd = open(VND_PATH, O_WRONLY | O_NDELAY | O_EXCL); if (fd != -1) { (void) fprintf(stderr, "somehow opened vnd O_NDELAY | O_EXCL!"); return (1); } return (0); }