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 
_STUB_vmwalk()24 void _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
vmwalk(Vmalloc_t * vm,int (* segf)(Vmalloc_t *,Void_t *,size_t,Vmdisc_t *,Void_t *),Void_t * handle)36 int vmwalk(Vmalloc_t* vm, int(*segf)(Vmalloc_t*, Void_t*, size_t, Vmdisc_t*, Void_t*), Void_t* handle )
37 #else
38 int vmwalk(vm, segf, handle)
39 Vmalloc_t*	vm;
40 int(*		segf)(/* Vmalloc_t*, Void_t*, size_t, Vmdisc_t*, Void_t* */);
41 Void_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