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authorMichael I. Bushnell <mib@gnu.org>1996-04-23 15:04:59 +0000
committerMichael I. Bushnell <mib@gnu.org>1996-04-23 15:04:59 +0000
commit804b2f7a0f500bd81a3083df4d094f527c8682db (patch)
tree5cb576be6da6738a07ef8cd8c922ef88bdd710e9
parent55217310a5f15d1cd5f79a95cdffe830b94fb24e (diff)
(diskfs_S_ifsock_getsockaddr): Request notification for new SOCKADDR;
count that notification as a reference.
-rw-r--r--libdiskfs/ifsock.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/libdiskfs/ifsock.c b/libdiskfs/ifsock.c
index b7df10cf..2b02554b 100644
--- a/libdiskfs/ifsock.c
+++ b/libdiskfs/ifsock.c
@@ -1,5 +1,5 @@
/* Implement ifsock inteface
- Copyright (C) 1994 Free Software Foundation
+ Copyright (C) 1994, 1996 Free Software Foundation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
@@ -56,6 +56,7 @@ diskfs_S_ifsock_getsockaddr (struct protid *cred,
{
mach_port_t server;
mach_port_t sockaddr;
+ mach_port_t old;
mutex_unlock (&np->lock);
@@ -111,7 +112,20 @@ diskfs_S_ifsock_getsockaddr (struct protid *cred,
/* Someone beat us */
mach_port_deallocate (mach_task_self (), sockaddr);
else
- np->sockaddr = sockaddr;
+ {
+ /* The receive right of the sockaddr holds a reference;
+ when we get a dead name on that right we drop our
+ reference. */
+ mach_port_request_notification (mach_task_self (), sockaddr,
+ MACH_NOTIFY_DEAD_NAME, 1,
+ np->pi.port_right,
+ MACH_PORT_MAKE_SEND_ONCE,
+ &old);
+ if (old != MACH_PORT_NULL)
+ mach_port_deallocate (mach_task_self (), old);
+ np->sockaddr = sockaddr;
+ diskfs_nref (np);
+ }
}
*address = np->sockaddr;