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Diffstat (limited to 'src/lib/libast/vmalloc/vmwalk.c')
| -rw-r--r-- | src/lib/libast/vmalloc/vmwalk.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/lib/libast/vmalloc/vmwalk.c b/src/lib/libast/vmalloc/vmwalk.c new file mode 100644 index 0000000..d7a8e36 --- /dev/null +++ b/src/lib/libast/vmalloc/vmwalk.c @@ -0,0 +1,69 @@ +/*********************************************************************** +* * +* This software is part of the ast package * +* Copyright (c) 1985-2011 AT&T Intellectual Property * +* and is licensed under the * +* Eclipse Public License, Version 1.0 * +* by AT&T Intellectual Property * +* * +* A copy of the License is available at * +* http://www.eclipse.org/org/documents/epl-v10.html * +* (with md5 checksum b35adb5213ca9657e911e9befb180842) * +* * +* Information and Software Systems Research * +* AT&T Research * +* Florham Park NJ * +* * +* Glenn Fowler <gsf@research.att.com> * +* David Korn <dgk@research.att.com> * +* Phong Vo <kpv@research.att.com> * +* * +***********************************************************************/ +#if defined(_UWIN) && defined(_BLD_ast) + +void _STUB_vmwalk(){} + +#else + +#include "vmhdr.h" + +/* Walks all segments created in region(s) +** +** Written by Kiem-Phong Vo, kpv@research.att.com (02/08/96) +*/ + +#if __STD_C +int vmwalk(Vmalloc_t* vm, int(*segf)(Vmalloc_t*, Void_t*, size_t, Vmdisc_t*, Void_t*), Void_t* handle ) +#else +int vmwalk(vm, segf, handle) +Vmalloc_t* vm; +int(* segf)(/* Vmalloc_t*, Void_t*, size_t, Vmdisc_t*, Void_t* */); +Void_t* handle; +#endif +{ + reg Seg_t *seg; + reg int rv = 0; + + if(!vm) + { _vmlock(NIL(Vmalloc_t*), 1); + for(vm = Vmheap; vm; vm = vm->next) + { SETLOCK(vm, 0); + for(seg = vm->data->seg; seg; seg = seg->next) + if((rv = (*segf)(vm, seg->addr, seg->extent, vm->disc, handle)) < 0 ) + break; + CLRLOCK(vm, 0); + } + _vmlock(NIL(Vmalloc_t*), 0); + } + else + { SETLOCK(vm, 0); + for(seg = vm->data->seg; seg; seg = seg->next) + if((rv = (*segf)(vm, seg->addr, seg->extent, vm->disc, handle)) < 0 ) + break; + CLRLOCK(vm, 0); + } + + return rv; +} + +#endif |