/***********************************************************************

*                                                                      *

*               This software is part of the ast package               *

*          Copyright (c) 1985-2011 AT&T Intellectual Property          *

*                      and is licensed under the                       *

*                 Eclipse Public License, Version 1.0                  *

*                    by AT&T Intellectual Property                     *

*                                                                      *

*                A copy of the License is available at                 *

*          http://www.eclipse.org/org/documents/epl-v10.html           *

*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

*                                                                      *

*              Information and Software Systems Research               *

*                            AT&T Research                             *

*                           Florham Park NJ                            *

*                                                                      *

*                 Glenn Fowler <gsf@research.att.com>                  *

*                  David Korn <dgk@research.att.com>                   *

*                   Phong Vo <kpv@research.att.com>                    *

*                                                                      *

***********************************************************************/

#if defined(_UWIN) && defined(_BLD_ast)

void _STUB_vmset(){}

#else

#include	"vmhdr.h"

/*	Set the control flags for a region.

**

**	Written by Kiem-Phong Vo, kpv@research.att.com, 01/16/94.

*/

#if __STD_C

int vmset(reg Vmalloc_t* vm, int flags, int on)

#else

int vmset(vm, flags, on)

reg Vmalloc_t*	vm;	/* region being worked on		*/

int		flags;	/* flags must be in VM_FLAGS		*/

int		on;	/* !=0 if turning on, else turning off	*/

#endif

{

	int		mode;

	Vmdata_t	*vd = vm->data;

	if(flags == 0 && on == 0)

		return vd->mode;

	SETLOCK(vm, 0);

	mode = vd->mode;

	if(on)

		vd->mode |=  (flags&VM_FLAGS);

	else	vd->mode &= ~(flags&VM_FLAGS);

	CLRLOCK(vm, 0);

	return mode;

}

#endif