1 /* $NetBSD: h_inotify_init.c,v 1.1 2023/08/19 22:56:44 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2023 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Theodore Preduta. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __RCSID("$NetBSD: h_inotify_init.c,v 1.1 2023/08/19 22:56:44 christos Exp $"); 33 34 #include "h_linux.h" 35 36 #include <compat/linux/linux_syscall.h> 37 #include <compat/linux/common/linux_errno.h> 38 #include <compat/linux/common/linux_fcntl.h> 39 #include <compat/linux/common/linux_inotify.h> 40 41 void 42 _start(void) 43 { 44 int fd; 45 46 /* Check that none of CLOEXEC or NONBLOCK are set. */ 47 RS(fd = syscall(LINUX_SYS_inotify_init)); 48 REQUIRE(fcntl(fd, LINUX_F_GETFD) == 0); 49 REQUIRE((fcntl(fd, LINUX_F_GETFL) & LINUX_O_NONBLOCK) == 0); 50 RS(close(fd)); 51 52 /* Check that only NONBLOCK is set. */ 53 RS(fd = syscall(LINUX_SYS_inotify_init1, LINUX_IN_NONBLOCK)); 54 REQUIRE(fcntl(fd, LINUX_F_GETFD) == 0); 55 REQUIRE((fcntl(fd, LINUX_F_GETFL) & LINUX_O_NONBLOCK) != 0); 56 RS(close(fd)); 57 58 /* Check that only CLOEXEC is set. */ 59 RS(fd = syscall(LINUX_SYS_inotify_init1, LINUX_IN_CLOEXEC)); 60 REQUIRE(fcntl(fd, LINUX_F_GETFD) != 0); 61 REQUIRE((fcntl(fd, LINUX_F_GETFL) & LINUX_O_NONBLOCK) == 0); 62 RS(close(fd)); 63 64 exit(0); 65 } 66