1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                 Eclipse Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*          http://www.eclipse.org/org/documents/epl-v10.html           *
11*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12*                                                                      *
13*              Information and Software Systems Research               *
14*                            AT&T Research                             *
15*                           Florham Park NJ                            *
16*                                                                      *
17*                 Glenn Fowler <gsf@research.att.com>                  *
18*                  David Korn <dgk@research.att.com>                   *
19*                   Phong Vo <kpv@research.att.com>                    *
20*                                                                      *
21***********************************************************************/
22#if defined(_UWIN) && defined(_BLD_ast)
23
24void _STUB_vmset(){}
25
26#else
27
28#include	"vmhdr.h"
29
30
31/*	Set the control flags for a region.
32**
33**	Written by Kiem-Phong Vo, kpv@research.att.com, 01/16/94.
34*/
35#if __STD_C
36int vmset(reg Vmalloc_t* vm, int flags, int on)
37#else
38int vmset(vm, flags, on)
39reg Vmalloc_t*	vm;	/* region being worked on		*/
40int		flags;	/* flags must be in VM_FLAGS		*/
41int		on;	/* !=0 if turning on, else turning off	*/
42#endif
43{
44	int		mode;
45	Vmdata_t	*vd = vm->data;
46
47	if(flags == 0 && on == 0)
48		return vd->mode;
49
50	SETLOCK(vm, 0);
51
52	mode = vd->mode;
53	if(on)
54		vd->mode |=  (flags&VM_FLAGS);
55	else	vd->mode &= ~(flags&VM_FLAGS);
56
57	CLRLOCK(vm, 0);
58
59	return mode;
60}
61
62#endif
63