1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 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 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 36 int vmwalk(Vmalloc_t* vm, int(*segf)(Vmalloc_t*, Void_t*, size_t, Vmdisc_t*) ) 37 #else 38 int vmwalk(vm, segf) 39 Vmalloc_t* vm; 40 int(* segf)(/* Vmalloc_t*, Void_t*, size_t, Vmdisc_t* */); 41 #endif 42 { 43 reg Seg_t* seg; 44 reg int rv; 45 46 if(!vm) 47 { for(vm = Vmheap; vm; vm = vm->next) 48 { if(!(vm->data->mode&VM_TRUST) && ISLOCK(vm->data,0) ) 49 continue; 50 51 SETLOCK(vm->data,0); 52 for(seg = vm->data->seg; seg; seg = seg->next) 53 { rv = (*segf)(vm, seg->addr, seg->extent, vm->disc); 54 if(rv < 0) 55 return rv; 56 } 57 CLRLOCK(vm->data,0); 58 } 59 } 60 else 61 { if(!(vm->data->mode&VM_TRUST) && ISLOCK(vm->data,0) ) 62 return -1; 63 64 SETLOCK(vm->data,0); 65 for(seg = vm->data->seg; seg; seg = seg->next) 66 { rv = (*segf)(vm, seg->addr, seg->extent, vm->disc); 67 if(rv < 0) 68 return rv; 69 } 70 CLRLOCK(vm->data,0); 71 } 72 73 return 0; 74 } 75 76 #endif 77