14887Schin /***********************************************************************
24887Schin *                                                                      *
34887Schin *               This software is part of the ast package               *
4*8462SApril.Chin@Sun.COM *          Copyright (c) 1985-2008 AT&T Intellectual Property          *
54887Schin *                      and is licensed under the                       *
64887Schin *                  Common Public License, Version 1.0                  *
7*8462SApril.Chin@Sun.COM *                    by AT&T Intellectual Property                     *
84887Schin *                                                                      *
94887Schin *                A copy of the License is available at                 *
104887Schin *            http://www.opensource.org/licenses/cpl1.0.txt             *
114887Schin *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
124887Schin *                                                                      *
134887Schin *              Information and Software Systems Research               *
144887Schin *                            AT&T Research                             *
154887Schin *                           Florham Park NJ                            *
164887Schin *                                                                      *
174887Schin *                 Glenn Fowler <gsf@research.att.com>                  *
184887Schin *                  David Korn <dgk@research.att.com>                   *
194887Schin *                   Phong Vo <kpv@research.att.com>                    *
204887Schin *                                                                      *
214887Schin ***********************************************************************/
224887Schin #if defined(_UWIN) && defined(_BLD_ast)
234887Schin 
244887Schin void _STUB_vmwalk(){}
254887Schin 
264887Schin #else
274887Schin 
284887Schin #include	"vmhdr.h"
294887Schin 
304887Schin /*	Walks all segments created in region(s)
314887Schin **
324887Schin **	Written by Kiem-Phong Vo, kpv@research.att.com (02/08/96)
334887Schin */
344887Schin 
354887Schin #if __STD_C
364887Schin int vmwalk(Vmalloc_t* vm, int(*segf)(Vmalloc_t*, Void_t*, size_t, Vmdisc_t*) )
374887Schin #else
384887Schin int vmwalk(vm, segf)
394887Schin Vmalloc_t*	vm;
404887Schin int(*		segf)(/* Vmalloc_t*, Void_t*, size_t, Vmdisc_t* */);
414887Schin #endif
424887Schin {
434887Schin 	reg Seg_t*	seg;
444887Schin 	reg int		rv;
454887Schin 
464887Schin 	if(!vm)
474887Schin 	{	for(vm = Vmheap; vm; vm = vm->next)
484887Schin 		{	if(!(vm->data->mode&VM_TRUST) && ISLOCK(vm->data,0) )
494887Schin 				continue;
504887Schin 
514887Schin 			SETLOCK(vm->data,0);
524887Schin 			for(seg = vm->data->seg; seg; seg = seg->next)
534887Schin 			{	rv = (*segf)(vm, seg->addr, seg->extent, vm->disc);
544887Schin 				if(rv < 0)
554887Schin 					return rv;
564887Schin 			}
574887Schin 			CLRLOCK(vm->data,0);
584887Schin 		}
594887Schin 	}
604887Schin 	else
614887Schin 	{	if(!(vm->data->mode&VM_TRUST) && ISLOCK(vm->data,0) )
624887Schin 			return -1;
634887Schin 
644887Schin 		SETLOCK(vm->data,0);
654887Schin 		for(seg = vm->data->seg; seg; seg = seg->next)
664887Schin 		{	rv = (*segf)(vm, seg->addr, seg->extent, vm->disc);
674887Schin 			if(rv < 0)
684887Schin 				return rv;
694887Schin 		}
704887Schin 		CLRLOCK(vm->data,0);
714887Schin 	}
724887Schin 
734887Schin 	return 0;
744887Schin }
754887Schin 
764887Schin #endif
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