xnu-792.22.5.tar.gz

[apple/xnu.git] / bsd / netat / at_pcb.c

diff --git a/bsd/netat/at_pcb.c b/bsd/netat/at_pcb.c
index de172f33b9166f6b46f67eaca984e8b5761a242f..b37174524208375968f6a7e523205b5cf3d33f90 100644 (file)
--- a/bsd/netat/at_pcb.c
+++ b/bsd/netat/at_pcb.c
@@ -1,16 +1,19 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_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.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ 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
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 /*
@@ -133,9 +136,11 @@ int at_pcballoc(so, head)
 
        pcb->atpcb_head = head;
        pcb->atpcb_socket = so;
+       atalk_lock();   /* makes sure the list is locked while inserting atpcb */
        if (head)
            insque((queue_t)pcb, (queue_t)head);
        so->so_pcb = (caddr_t)pcb;
+       atalk_unlock();
 
        return (0);
 }
@@ -152,9 +157,10 @@ int at_pcbdetach(pcb)
        }
 
        so->so_pcb = 0;
+       so->so_flags |= SOF_PCBCLEARING;
        if ((pcb->atpcb_next) && (pcb->atpcb_prev))
            remque((queue_t)pcb);
-       zfree(atpcb_zone, (vm_offset_t)pcb);
+       zfree(atpcb_zone, pcb);
        sofree(so);
        return(0);
 }
@@ -183,7 +189,6 @@ int at_pcbbind(pcb, nam)
        register struct atpcb *pcb;
        struct sockaddr *nam;
 {
-       register struct socket *so = pcb->atpcb_socket;
        register struct sockaddr_at *local = (struct sockaddr_at *) nam;
        u_char ddpsock = local->sat_port;