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Change finalization to match MacOS-X

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@27581 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 2009-01-12 18:36:37 +00:00
parent 952af9c197
commit b830b55dee
22 changed files with 116 additions and 95 deletions
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44
Source/NSObject.m
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@ -92,6 +92,8 @@ static IMP autorelease_imp;
#include <gc.h>
#include <gc_typed.h>
static SEL finalize_sel;
static IMP finalize_imp;
#endif
static Class NSConstantStringClass;
@ -672,7 +674,7 @@ GSObjCZone(NSObject *object)
static void
GSFinalize(void* object, void* data)
{
[(id)object gcFinalize];
[(id)object finalize];
#ifndef NDEBUG
GSDebugAllocationRemove(((id)object)->class_pointer, (id)object);
#endif
@ -687,9 +689,16 @@ NSAllocateObject(Class aClass, unsigned extraBytes, NSZone *zone)
NSCAssert((CLS_ISCLASS(aClass)), @"Bad class for new object");
size = aClass->instance_size + extraBytes;
if (size % sizeof(void*) != 0)
{
/* Size must be a multiple of pointer size for the garbage collector
* to be able to allocate explicitly typed memory.
*/
size += sizeof(void*) - size % sizeof(void*);
}
if (zone == GSAtomicMallocZone())
{
new = NSZoneMalloc(zone, size);
new = NSZoneCalloc(zone, 1, size);
}
else
{
@ -697,25 +706,22 @@ NSAllocateObject(Class aClass, unsigned extraBytes, NSZone *zone)
if (gc_type == 0)
{
new = NSZoneMalloc(zone, size);
new = NSZoneCalloc(zone, 1, size);
NSLog(@"No garbage collection information for '%s'",
GSNameFromClass(aClass));
}
else if ([aClass requiresTypedMemory])
else
{
new = GC_calloc_explicitly_typed(1, size, gc_type);
}
else
{
new = NSZoneMalloc(zone, size);
}
}
if (new != nil)
{
memset(new, 0, size);
new->class_pointer = aClass;
if (__objc_responds_to(new, @selector(gcFinalize)))
if (get_imp(aClass, finalize_sel) != finalize_imp
&& __objc_responds_to(new, finalize_sel))
{
#ifndef NDEBUG
/*
@ -1060,16 +1066,6 @@ GSDescriptionForClassMethod(pcl self, SEL aSel)
}
}
#if GS_WITH_GC
/**
* A utility method used when garbage collection is enabled. Can be ignored.
*/
+ (BOOL) requiresTypedMemory
{
return NO;
}
#endif
/**
* This message is sent to a class once just before it is used for the first
* time. If class has a superclass, its implementation of +initialize is
@ -1087,6 +1083,11 @@ GSDescriptionForClassMethod(pcl self, SEL aSel)
gnustep_base_socket_init();
#else
#if GS_WITH_GC
finalize_sel = @selector(finalize);
finalize_imp = get_imp(self, finalize_sel);
#endif
#ifdef SIGPIPE
/*
* If SIGPIPE is not handled or ignored, we will abort on any attempt
@ -1426,6 +1427,11 @@ GSDescriptionForClassMethod(pcl self, SEL aSel)
NSDeallocateObject (self);
}
- (void) finalize
{
return;
}
/**
* This method is an anachronism. Do not use it.
*/