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linux_break.c revision 1.51.50.2 
      1 /*	$NetBSD: linux_break.c,v 1.51.50.2 2006/12/10 07:16:47 yamt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1995, 1998 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 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: linux_break.c,v 1.51.50.2 2006/12/10 07:16:47 yamt Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/mount.h>
     45 
     46 #include <sys/sa.h>
     47 #include <sys/syscallargs.h>
     48 
     49 #include <compat/linux/common/linux_types.h>
     50 #include <compat/linux/common/linux_signal.h>
     51 #include <compat/linux/linux_syscallargs.h>
     52 
     53 
     54 /* Used on: arm, (i386), ppc */
     55 /* Not used on: alpha, m68k, mips, sparc, sparc64 */
     56 
     57 /* Defined as "not implemented" on arm and ppc */
     58 /* Not defined on i386 */
     59 /* XXXERH: maybe this should just go away. */
     60 
     61 /*
     62  * This is the old brk(2) call. I don't think anything in the Linux
     63  * world uses this anymore
     64  */
     65 int
     66 linux_sys_break(struct lwp *l, void *v,
     67     register_t *retval)
     68 {
     69 #if 0
     70 	struct linux_sys_brk_args /* {
     71 		syscallarg(char *) nsize;
     72 	} */ *uap = v;
     73 #endif
     74 
     75 	return ENOSYS;
     76 }
     77