xref: /netbsd-src/sys/compat/linux/common/linux_fcntl64.c (revision 267197ec1eebfcb9810ea27a89625b6ddf68e3e7)
1 /*	$NetBSD: linux_fcntl64.c,v 1.3 2008/02/12 10:59:57 he Exp $	*/
2 
3 /*-
4  * Copyright (c) 1995, 1998, 2000 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Frank van der Linden and Eric Haszlakiewicz.
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * Linux 64bit-offset filesystem calls.
41  */
42 
43 #include <sys/cdefs.h>
44 __KERNEL_RCSID(0, "$NetBSD: linux_fcntl64.c,v 1.3 2008/02/12 10:59:57 he Exp $");
45 
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/proc.h>
49 #include <sys/file.h>
50 #include <sys/filedesc.h>
51 #include <sys/fstypes.h>
52 #include <sys/vfs_syscalls.h>
53 #include <sys/conf.h>
54 
55 #include <sys/syscallargs.h>
56 
57 #include <compat/linux/common/linux_types.h>
58 #include <compat/linux/common/linux_fcntl.h>
59 #include <compat/linux/common/linux_machdep.h>
60 
61 #include <compat/linux/linux_syscallargs.h>
62 
63 conv_linux_flock(linux, flock64)
64 
65 int
66 linux_sys_fcntl64(struct lwp *l, const struct linux_sys_fcntl64_args *uap, register_t *retval)
67 {
68 	/* {
69 		syscallarg(int) fd;
70 		syscallarg(int) cmd;
71 		syscallarg(void *) arg;
72 	} */
73 	int cmd = SCARG(uap, cmd);
74 
75 	switch (cmd) {
76 	case LINUX_F_GETLK64:
77 		do_linux_getlk(SCARG(uap, fd), cmd, SCARG(uap, arg),
78 		    linux, flock64);
79 	case LINUX_F_SETLK64:
80 	case LINUX_F_SETLKW64:
81 		do_linux_setlk(SCARG(uap, fd), cmd, SCARG(uap, arg),
82 		    linux, flock64, LINUX_F_SETLK64);
83 	default:
84 		return linux_sys_fcntl(l, (const void *)uap, retval);
85 	}
86 }
87