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linux_fcntl64.c revision 1.3.10.2 
      1 /*	$NetBSD: linux_fcntl64.c,v 1.3.10.2 2008/03/23 02:04:32 matt 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 1.3.10.2 2008/03/23 02:04:32 matt 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