From 76bb7762ffb55acaa559bc7d0fd4a85492c15c36 Mon Sep 17 00:00:00 2001
From: theraven <theraven@72102866-910b-0410-8b05-ffd578937521>
Date: Mon, 4 Oct 2010 22:33:30 +0000
Subject: [PATCH] Properly resolve the metaclass's isa pointer.

---
 class_table.c | 1 +
 runtime.c     | 3 ++-
 sync.m        | 8 +++-----
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/class_table.c b/class_table.c
index 0e80494..7526b35 100644
--- a/class_table.c
+++ b/class_table.c
@@ -222,6 +222,7 @@ BOOL objc_resolve_class(Class cls)
 	// Mark this class (and its metaclass) as resolved
 	objc_set_class_flag(cls, objc_class_flag_resolved);
 	objc_set_class_flag(cls->isa, objc_class_flag_resolved);
+	cls->isa->isa = (Nil == cls->isa->isa) ? root_class : (Class)objc_getClass((char*)cls->isa->isa);
 	// Fix up the ivar offsets
 	objc_compute_ivar_offsets(cls);
 	// Send the +load message, if required
diff --git a/runtime.c b/runtime.c
index 7c717ff..f1a64fa 100644
--- a/runtime.c
+++ b/runtime.c
@@ -595,10 +595,12 @@ Class objc_allocateClassPair(Class superclass, const char *name, size_t extraByt
 void *object_getIndexedIvars(id obj)
 {
 	if (nil == obj) { return NULL; }
+	/*
 	if (class_isMetaClass(obj->isa))
 	{
 		return ((char*)obj) + sizeof(struct objc_class);
 	}
+	*/
 	return ((char*)obj) + obj->isa->instance_size;
 }
 
@@ -609,7 +611,6 @@ Class object_getClass(id obj)
 		Class isa = obj->isa;
 		while ((Nil != isa) && objc_test_class_flag(isa, objc_class_flag_hidden_class))
 		{
-			fprintf(stderr, "Skipping hidden class: %s\n", isa->name);
 			isa = isa->super_class;
 		}
 		return isa;
diff --git a/sync.m b/sync.m
index 68bcd74..63f78e1 100644
--- a/sync.m
+++ b/sync.m
@@ -51,7 +51,7 @@ static Class allocateLockClass(Class superclass)
 	// Set the superclass pointer to the name.  The runtime will fix this when
 	// the class links are resolved.
 	newClass->name = superclass->name;
-	newClass->info = objc_class_flag_resolved | 
+	newClass->info = objc_class_flag_resolved | objc_class_flag_initialized |
 		objc_class_flag_class | objc_class_flag_user_created |
 		objc_class_flag_new_abi | objc_class_flag_hidden_class |
 		objc_class_flag_lock_class;
@@ -62,6 +62,8 @@ static Class allocateLockClass(Class superclass)
 	{
 		newClass->info |= objc_class_flag_meta;
 	}
+	mutex_t *lock = object_getIndexedIvars(newClass);
+	INIT_LOCK(*lock);
 
 	return newClass;
 }
@@ -72,7 +74,6 @@ static inline Class initLockObject(id obj)
 	if (class_isMetaClass(obj->isa))
 	{
 		obj->isa = lockClass;
-		objc_send_initialize(obj);
 	}
 	else
 	{
@@ -83,10 +84,7 @@ static inline Class initLockObject(id obj)
 				types);
 		obj->isa = lockClass;
 	}
-	mutex_t *lock = object_getIndexedIvars(lockClass);
-	INIT_LOCK(*lock);
 
-	fprintf(stderr, "Making %p hidden class for %p\n", lockClass, obj);
 	return lockClass;
 }