--- Libc/Libc-498.1.7/stdlib/FreeBSD/atexit.c.patch
+++ Libc/Libc-583/stdlib/FreeBSD/atexit.c.patch
@@ -1,6 +1,6 @@
---- atexit.c.orig	2008-02-01 22:43:20.000000000 -0800
-+++ atexit.c	2008-02-01 22:47:49.000000000 -0800
-@@ -45,6 +45,9 @@
+--- atexit.c.orig	2009-05-12 11:21:33.000000000 -0700
++++ atexit.c	2009-05-23 13:46:33.000000000 -0700
+@@ -45,14 +45,23 @@ __FBSDID("$FreeBSD: src/lib/libc/stdlib/
  #include <stdlib.h>
  #include <unistd.h>
  #include <pthread.h>
@@ -10,7 +10,31 @@
  #include "atexit.h"
  #include "un-namespace.h"
  
-@@ -74,6 +77,7 @@
++#ifdef __BLOCKS__
++#include <Block.h>
++#endif /* __BLOCKS__ */
+ #include "libc_private.h"
+ 
+ #define	ATEXIT_FN_EMPTY	0
+ #define	ATEXIT_FN_STD	1
+ #define	ATEXIT_FN_CXA	2
++#ifdef __BLOCKS__
++#define	ATEXIT_FN_BLK	3
++#endif /* __BLOCKS__ */
+ 
+ static pthread_mutex_t atexit_mutex = PTHREAD_MUTEX_INITIALIZER;
+ 
+@@ -67,6 +76,9 @@ struct atexit {
+ 		union {
+ 			void (*std_func)(void);
+ 			void (*cxa_func)(void *);
++#ifdef __BLOCKS__
++			void (^block)(void);
++#endif /* __BLOCKS__ */
+ 		} fn_ptr;			/* function pointer */
+ 		void *fn_arg;			/* argument for CXA callback */
+ 		void *fn_dso;			/* shared module handle */
+@@ -74,6 +86,7 @@ struct atexit {
  };
  
  static struct atexit *__atexit;		/* points to head of LIFO stack */
@@ -18,7 +42,7 @@
  
  /*
   * Register the function described by 'fptr' to be called at application
-@@ -109,6 +113,7 @@
+@@ -109,6 +122,7 @@ atexit_register(struct atexit_fn *fptr)
  		__atexit = p;
  	}
  	p->fns[p->ind++] = *fptr;
@@ -26,7 +50,7 @@
  	_MUTEX_UNLOCK(&atexit_mutex);
  	return 0;
  }
-@@ -120,12 +125,20 @@
+@@ -120,17 +134,50 @@ int
  atexit(void (*func)(void))
  {
  	struct atexit_fn fn;
@@ -34,7 +58,8 @@
  	int error;
  
  	fn.fn_type = ATEXIT_FN_STD;
- 	fn.fn_ptr.std_func = func;;
+-	fn.fn_ptr.std_func = func;;
++	fn.fn_ptr.std_func = func;
  	fn.fn_arg = NULL;
 +#if defined(__DYNAMIC__)
 +	if ( dladdr(func, &info) )
@@ -47,7 +72,37 @@
  
   	error = atexit_register(&fn);	
  	return (error);
-@@ -156,13 +169,14 @@
+ }
+ 
++#ifdef __BLOCKS__
++int
++atexit_b(void (^block)(void))
++{
++	struct atexit_fn fn;
++	struct dl_info info;
++	int error;
++
++	fn.fn_type = ATEXIT_FN_BLK;
++	fn.fn_ptr.block = Block_copy(block);
++	fn.fn_arg = NULL;
++#if defined(__DYNAMIC__)
++	if ( dladdr(block, &info) )
++		fn.fn_dso = info.dli_fbase;
++	else 
++		fn.fn_dso = NULL;
++#else /* ! defined(__DYNAMIC__) */
++	fn.fn_dso = NULL;
++#endif /* defined(__DYNAMIC__) */
++
++ 	error = atexit_register(&fn);	
++	return (error);
++}
++#endif /* __BLOCKS__ */
++
+ /*
+  * Register a function to be performed at exit or when an shared object
+  * with given dso handle is unloaded dynamically.
+@@ -156,13 +203,14 @@ __cxa_atexit(void (*func)(void *), void 
   * handlers are called.
   */
  void
@@ -63,7 +118,7 @@
  	for (p = __atexit; p; p = p->next) {
  		for (n = p->ind; --n >= 0;) {
  			if (p->fns[n].fn_type == ATEXIT_FN_EMPTY)
-@@ -175,6 +189,7 @@
+@@ -175,6 +223,7 @@ __cxa_finalize(void *dso)
  			  has already been called.
  			*/
  			p->fns[n].fn_type = ATEXIT_FN_EMPTY;
@@ -71,9 +126,14 @@
  		        _MUTEX_UNLOCK(&atexit_mutex);
  		
  			/* Call the function of correct type. */
-@@ -183,6 +198,8 @@
+@@ -182,7 +231,13 @@ __cxa_finalize(void *dso)
+ 				fn.fn_ptr.cxa_func(fn.fn_arg);
  			else if (fn.fn_type == ATEXIT_FN_STD)
  				fn.fn_ptr.std_func();
++#ifdef __BLOCKS__
++			else if (fn.fn_type == ATEXIT_FN_BLK)
++				fn.fn_ptr.block();
++#endif /* __BLOCKS__ */
  			_MUTEX_LOCK(&atexit_mutex);
 +			if (new_registration)
 +			    goto restart;