xnu-4570.1.46.tar.gz

[apple/xnu.git] / osfmk / ipc / ipc_notify.c

diff --git a/osfmk/ipc/ipc_notify.c b/osfmk/ipc/ipc_notify.c
index c445269b6c5d913fe8430f286ad79972771b4ca2..d1f50d5c718df879ebd53de158cc1005b2e55d67 100644 (file)
--- a/osfmk/ipc/ipc_notify.c
+++ b/osfmk/ipc/ipc_notify.c
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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. 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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
  * 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@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -78,13 +84,26 @@ ipc_notify_port_deleted(
        ipc_port_t              port,
        mach_port_name_t        name)
 {
-       kern_return_t kr;
+       (void)mach_notify_port_deleted(port, name);
+       /* send-once right consumed */
+}
+
+/*
+ *     Routine:        ipc_notify_send_possible
+ *     Purpose:
+ *             Send a send-possible notification.
+ *     Conditions:
+ *             Nothing locked.
+ *             Consumes a ref/soright for port.
+ */
 
-       kr = mach_notify_port_deleted(port, name);
-       if (kr != KERN_SUCCESS) {
-               printf("dropped port-deleted (0x%08x, 0x%x)\n", port, name);
-               ipc_port_release_sonce(port);
-       }
+void
+ipc_notify_send_possible(
+       ipc_port_t              port,
+       mach_port_name_t        name)
+{
+       (void)mach_notify_send_possible(port, name);
+       /* send-once right consumed */
 }
 
 /*
@@ -104,15 +123,8 @@ ipc_notify_port_destroyed(
        ipc_port_t      port,
        ipc_port_t      right)
 {
-       kern_return_t kr;
-
-       kr = mach_notify_port_destroyed(port, right);
-       if (kr != KERN_SUCCESS) {
-               printf("dropped port-destroyed (0x%08x, 0x%08x)\n",
-                      port, right);
-               ipc_port_release_sonce(port);
-               ipc_port_release_receive(right);
-       }
+       mach_notify_port_destroyed(port, right);
+       /* send-once and receive rights consumed */
 }
 
 /*
@@ -129,13 +141,8 @@ ipc_notify_no_senders(
        ipc_port_t              port,
        mach_port_mscount_t     mscount)
 {
-       kern_return_t kr;
-
-       kr = mach_notify_no_senders(port, mscount);
-       if (kr != KERN_SUCCESS) {
-               printf("dropped no-senders (0x%08x, %u)\n", port, mscount);
-               ipc_port_release_sonce(port);
-       }
+       (void)mach_notify_no_senders(port, mscount);
+       /* send-once right consumed */
 }
 
 /*
@@ -151,13 +158,10 @@ void
 ipc_notify_send_once(
        ipc_port_t      port)
 {
-       kern_return_t kr;
+       ipc_port_unlink_special_reply_port(port, IPC_PORT_UNLINK_SR_NONE);
 
-       kr = mach_notify_send_once(port);
-       if (kr != KERN_SUCCESS) {
-               printf("dropped send-once (0x%08x)\n", port);
-               ipc_port_release_sonce(port);
-       }
+       (void)mach_notify_send_once(port);
+       /* send-once right consumed */
 }
 
 /*
@@ -174,11 +178,6 @@ ipc_notify_dead_name(
        ipc_port_t              port,
        mach_port_name_t        name)
 {
-       kern_return_t kr;
-
-       kr = mach_notify_dead_name(port, name);
-       if (kr != KERN_SUCCESS) {
-               printf("dropped dead-name (0x%08x, 0x%x)\n", port, name);
-               ipc_port_release_sonce(port);
-       }
+       (void)mach_notify_dead_name(port, name);
+       /* send-once right consumed */
 }