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* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 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 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* */); 41Void_t* handle; 42#endif 43{ 44 reg Seg_t* seg; 45 reg int rv; 46 47 if(!vm) 48 { for(vm = Vmheap; vm; vm = vm->next) 49 { if(!(vm->data->mode&VM_TRUST) && ISLOCK(vm->data,0) ) 50 continue; 51 52 SETLOCK(vm->data,0); 53 for(seg = vm->data->seg; seg; seg = seg->next) 54 { rv = (*segf)(vm, seg->addr, seg->extent, vm->disc, handle); 55 if(rv < 0) 56 return rv; 57 } 58 CLRLOCK(vm->data,0); 59 } 60 } 61 else 62 { if(!(vm->data->mode&VM_TRUST) && ISLOCK(vm->data,0) ) 63 return -1; 64 65 SETLOCK(vm->data,0); 66 for(seg = vm->data->seg; seg; seg = seg->next) 67 { rv = (*segf)(vm, seg->addr, seg->extent, vm->disc, handle); 68 if(rv < 0) 69 return rv; 70 } 71 CLRLOCK(vm->data,0); 72 } 73 74 return 0; 75} 76 77#endif 78