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garbage collecting fixes

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@27638 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
rfm 2009-01-20 10:15:52 +00:00
parent bf2cc9c7ed
commit 9c5d4cd19e
6 changed files with 275 additions and 156 deletions
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20
Source/NSNotificationCenter.m
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@ -41,7 +41,6 @@
* a collected observer removed.
*/
#if GS_WITH_GC
#include <gc.h>
#define purgeCollected(X) (X = listPurge(X, nil))
#else
#define purgeCollected(X) (X)
@ -437,7 +436,7 @@ static void obsFree(Observation *o)
NCTable *t = o->link;
#if GS_WITH_GC
GC_unregister_disappearing_link((GC_PTR*)&o->observer);
GSAssignZeroingWeakPointer((void**)&o->observer, 0);
#endif
o->link = (NCTable*)t->freeList;
t->freeList = o;
@ -705,23 +704,14 @@ static NSNotificationCenter *default_center = nil;
o = obsNew(TABLE);
o->selector = selector;
o->method = method;
#if GS_WITH_GC
GSAssignZeroingWeakPointer((void**)&o->observer, (void*)observer);
#else
o->observer = observer;
#endif
o->retained = 0;
o->next = 0;
#if GS_WITH_GC
/* Ensure that if the observer is garbage collected, we clear the
* oservation so that we don't end up sending notifications to the
* deallocated object.
* The observer must be a real GC-allocated object or this mechanism
* can't be used.
*/
if (GC_base(observer) != 0)
{
GC_general_register_disappearing_link((GC_PTR*)&o->observer, observer);
}
#endif
if (object != nil)
{
object = CHEATGC(object);