--- Libc/Libc-262/threads/mig_support.c
+++ Libc/Libc-825.26/threads/mig_support.c
@@ -3,19 +3,20 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -73,99 +74,23 @@
  * can result in a call to malloc() which eventually reenters
  * mig_get_reply_port() and deadlocks.
  */
-mach_port_t
-mig_get_reply_port()
+mach_port_t _mig_get_reply_port()
 {
-	register cproc_t self;
-        pthread_t pself;
-#ifdef	CTHREADS_DEBUG
-	int d = cthread_debug;
-#endif	CTHREADS_DEBUG
+    pthread_t pself;
 
-#ifdef	CTHREADS_DEBUG
-	cthread_debug = FALSE;
-#endif	CTHREADS_DEBUG
-        pself = pthread_self();
-        if ((pself != (pthread_t)NULL) && (pself->sig == _PTHREAD_SIG)) {
-            if (pself->reply_port == MACH_PORT_NULL) {
-                pself->reply_port = mach_reply_port();
-            }
-            return pself->reply_port;
-        }
-	self = cproc_self();
-	if (self == NO_CPROC) {
-#ifdef	CTHREADS_DEBUG
-		cthread_debug = d;
-#endif	CTHREADS_DEBUG
-		return(_task_reply_port);
-	}
-        if (self->reply_port == MACH_PORT_NULL) {
-            self->reply_port = mach_reply_port();
-        }
-#ifdef	CTHREADS_DEBUG
-	cthread_debug = d;
-#endif	CTHREADS_DEBUG
-	return self->reply_port;
+    pself = pthread_self();
+    if ((pself != (pthread_t)NULL) && (pself->sig == _PTHREAD_SIG)) {
+        return pself->reply_port;
+    }
+    return MACH_PORT_NULL;
 }
 
-/*
- * Called by mig interface code after a timeout on the reply port.
- * May also be called by user. The new mig calls with port passed in
- * We are ignoring this , so is osfmk cthreads code
- */
-void
-mig_dealloc_reply_port(mach_port_t migport)
+void _mig_set_reply_port(mach_port_t port)
 {
-	register cproc_t self;
-        pthread_t pself;
-	register mach_port_t port;
-#ifdef	CTHREADS_DEBUG
-	int d = cthread_debug;
-#endif	CTHREADS_DEBUG
-
-#ifdef	CTHREADS_DEBUG
-	cthread_debug = FALSE;
-#endif	CTHREADS_DEBUG
-        pself = pthread_self();
-        if ((pself != (pthread_t)NULL) && (pself->sig == _PTHREAD_SIG)) {
-            port = pself->reply_port;
-            if (port != MACH_PORT_NULL && port != _task_reply_port) {
-                    LOCK(reply_port_lock);
-                    pself->reply_port = _task_reply_port;
-                    (void) mach_port_destroy(mach_task_self(), port);
-                    pself->reply_port = MACH_PORT_NULL;
-                    UNLOCK(reply_port_lock);
-            }
-            return;
-        }
-	self = cproc_self();
-	if (self == NO_CPROC) {
-#ifdef	CTHREADS_DEBUG
-		cthread_debug = d;
-#endif	CTHREADS_DEBUG
-		return;
-	}
-	ASSERT(self != NO_CPROC);
-	port = self->reply_port;
-        if (port != MACH_PORT_NULL && port != _task_reply_port) {
-		LOCK(reply_port_lock);
-                self->reply_port = _task_reply_port;
-                (void) mach_port_destroy(mach_task_self(), port);
-                self->reply_port = MACH_PORT_NULL;
-		UNLOCK(reply_port_lock);
-	}
-#ifdef	CTHREADS_DEBUG
-	cthread_debug = d;
-#endif	CTHREADS_DEBUG
+    pthread_t pself;
+    pself = pthread_self();
+    
+    if ((pself != (pthread_t)NULL) && (pself->sig == _PTHREAD_SIG)) {
+        pself->reply_port = port;
+    }
 }
-
-/*************************************************************
- *  Called by mig interfaces after each RPC.
- *  Could be called by user.
- ***********************************************************/
-
-void
-mig_put_reply_port(
-	mach_port_t	reply_port)
-{
-}