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_vmwalk(){}
25
26#else
27
28#include	"vmhdr.h"
29
30/*	Walks all segments created in region(s)
31**
32**	Written by Kiem-Phong Vo, kpv@research.att.com (02/08/96)
33*/
34
35#if __STD_C
36int vmwalk(Vmalloc_t* vm, int(*segf)(Vmalloc_t*, Void_t*, size_t, Vmdisc_t*, Void_t*), Void_t* handle )
37#else
38int vmwalk(vm, segf, handle)
39Vmalloc_t*	vm;
40int(*		segf)(/* Vmalloc_t*, Void_t*, size_t, Vmdisc_t*, Void_t* */);
41Void_t*		handle;
42#endif
43{
44	reg Seg_t	*seg;
45	reg int		rv = 0;
46
47	if(!vm)
48	{	_vmlock(NIL(Vmalloc_t*), 1);
49		for(vm = Vmheap; vm; vm = vm->next)
50		{	SETLOCK(vm, 0);
51			for(seg = vm->data->seg; seg; seg = seg->next)
52				if((rv = (*segf)(vm, seg->addr, seg->extent, vm->disc, handle)) < 0 )
53					break;
54			CLRLOCK(vm, 0);
55		}
56		_vmlock(NIL(Vmalloc_t*), 0);
57	}
58	else
59	{	SETLOCK(vm, 0);
60		for(seg = vm->data->seg; seg; seg = seg->next)
61			if((rv = (*segf)(vm, seg->addr, seg->extent, vm->disc, handle)) < 0 )
62				break;
63		CLRLOCK(vm, 0);
64	}
65
66	return rv;
67}
68
69#endif
70