--- Libc/Libc-825.26/threads/mig_support.c
+++ Libc/Libc-262/threads/mig_support.c
@@ -3,20 +3,19 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * 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.
+ * 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.
  * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -74,23 +73,99 @@
  * 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()
 {
-    pthread_t pself;
+	register cproc_t self;
+        pthread_t pself;
+#ifdef	CTHREADS_DEBUG
+	int d = cthread_debug;
+#endif	CTHREADS_DEBUG
 
-    pself = pthread_self();
-    if ((pself != (pthread_t)NULL) && (pself->sig == _PTHREAD_SIG)) {
-        return pself->reply_port;
-    }
-    return MACH_PORT_NULL;
+#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;
 }
 
-void _mig_set_reply_port(mach_port_t port)
+/*
+ * 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)
 {
-    pthread_t pself;
-    pself = pthread_self();
-    
-    if ((pself != (pthread_t)NULL) && (pself->sig == _PTHREAD_SIG)) {
-        pself->reply_port = 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
 }
+
+/*************************************************************
+ *  Called by mig interfaces after each RPC.
+ *  Could be called by user.
+ ***********************************************************/
+
+void
+mig_put_reply_port(
+	mach_port_t	reply_port)
+{
+}