/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 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
* 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@
* Notification-sending functions.
*/
-#include <mach_rt.h>
-
#include <mach/port.h>
#include <mach/message.h>
-#include <mach/notify.h>
-#include <kern/assert.h>
+#include <mach/mach_notify.h>
#include <kern/misc_protos.h>
-#include <ipc/ipc_kmsg.h>
-#include <ipc/ipc_mqueue.h>
#include <ipc/ipc_notify.h>
#include <ipc/ipc_port.h>
/*
- * Forward declarations
- */
-void ipc_notify_init_port_deleted(
- mach_port_deleted_notification_t *n);
-
-void ipc_notify_init_port_destroyed(
- mach_port_destroyed_notification_t *n);
-
-void ipc_notify_init_no_senders(
- mach_no_senders_notification_t *n);
-
-void ipc_notify_init_send_once(
- mach_send_once_notification_t *n);
-
-void ipc_notify_init_dead_name(
- mach_dead_name_notification_t *n);
-
-mach_port_deleted_notification_t ipc_notify_port_deleted_template;
-mach_port_destroyed_notification_t ipc_notify_port_destroyed_template;
-mach_no_senders_notification_t ipc_notify_no_senders_template;
-mach_send_once_notification_t ipc_notify_send_once_template;
-mach_dead_name_notification_t ipc_notify_dead_name_template;
-
-/*
- * Routine: ipc_notify_init_port_deleted
- * Purpose:
- * Initialize a template for port-deleted notifications.
- */
-
-void
-ipc_notify_init_port_deleted(
- mach_port_deleted_notification_t *n)
-{
- mach_msg_header_t *m = &n->not_header;
-
- m->msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_PORT_SEND_ONCE, 0);
- m->msgh_local_port = MACH_PORT_NULL;
- m->msgh_remote_port = MACH_PORT_NULL;
- m->msgh_id = MACH_NOTIFY_PORT_DELETED;
- m->msgh_size = ((int)sizeof *n) - sizeof(mach_msg_format_0_trailer_t);
-
- n->not_port = MACH_PORT_NULL;
- n->NDR = NDR_record;
- n->trailer.msgh_seqno = 0;
- n->trailer.msgh_sender = KERNEL_SECURITY_TOKEN;
- n->trailer.msgh_trailer_type = MACH_MSG_TRAILER_FORMAT_0;
- n->trailer.msgh_trailer_size = MACH_MSG_TRAILER_MINIMUM_SIZE;
-}
-
-/*
- * Routine: ipc_notify_init_port_destroyed
- * Purpose:
- * Initialize a template for port-destroyed notifications.
- */
-
-void
-ipc_notify_init_port_destroyed(
- mach_port_destroyed_notification_t *n)
-{
- mach_msg_header_t *m = &n->not_header;
-
- m->msgh_bits = MACH_MSGH_BITS_COMPLEX |
- MACH_MSGH_BITS(MACH_MSG_TYPE_PORT_SEND_ONCE, 0);
- m->msgh_local_port = MACH_PORT_NULL;
- m->msgh_remote_port = MACH_PORT_NULL;
- m->msgh_id = MACH_NOTIFY_PORT_DESTROYED;
- m->msgh_size = ((int)sizeof *n) - sizeof(mach_msg_format_0_trailer_t);
-
- n->not_body.msgh_descriptor_count = 1;
- n->not_port.disposition = MACH_MSG_TYPE_PORT_RECEIVE;
- n->not_port.name = MACH_PORT_NULL;
- n->not_port.type = MACH_MSG_PORT_DESCRIPTOR;
- n->trailer.msgh_seqno = 0;
- n->trailer.msgh_sender = KERNEL_SECURITY_TOKEN;
- n->trailer.msgh_trailer_type = MACH_MSG_TRAILER_FORMAT_0;
- n->trailer.msgh_trailer_size = MACH_MSG_TRAILER_MINIMUM_SIZE;
-}
-
-/*
- * Routine: ipc_notify_init_no_senders
- * Purpose:
- * Initialize a template for no-senders notifications.
- */
-
-void
-ipc_notify_init_no_senders(
- mach_no_senders_notification_t *n)
-{
- mach_msg_header_t *m = &n->not_header;
-
- m->msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_PORT_SEND_ONCE, 0);
- m->msgh_local_port = MACH_PORT_NULL;
- m->msgh_remote_port = MACH_PORT_NULL;
- m->msgh_id = MACH_NOTIFY_NO_SENDERS;
- m->msgh_size = ((int)sizeof *n) - sizeof(mach_msg_format_0_trailer_t);
-
- n->NDR = NDR_record;
- n->trailer.msgh_seqno = 0;
- n->trailer.msgh_sender = KERNEL_SECURITY_TOKEN;
- n->trailer.msgh_trailer_type = MACH_MSG_TRAILER_FORMAT_0;
- n->trailer.msgh_trailer_size = MACH_MSG_TRAILER_MINIMUM_SIZE;
- n->not_count = 0;
-}
-
-/*
- * Routine: ipc_notify_init_send_once
- * Purpose:
- * Initialize a template for send-once notifications.
- */
-
-void
-ipc_notify_init_send_once(
- mach_send_once_notification_t *n)
-{
- mach_msg_header_t *m = &n->not_header;
-
- m->msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_PORT_SEND_ONCE, 0);
- m->msgh_local_port = MACH_PORT_NULL;
- m->msgh_remote_port = MACH_PORT_NULL;
- m->msgh_id = MACH_NOTIFY_SEND_ONCE;
- m->msgh_size = ((int)sizeof *n) - sizeof(mach_msg_format_0_trailer_t);
- n->trailer.msgh_seqno = 0;
- n->trailer.msgh_sender = KERNEL_SECURITY_TOKEN;
- n->trailer.msgh_trailer_type = MACH_MSG_TRAILER_FORMAT_0;
- n->trailer.msgh_trailer_size = MACH_MSG_TRAILER_MINIMUM_SIZE;
-}
-
-/*
- * Routine: ipc_notify_init_dead_name
- * Purpose:
- * Initialize a template for dead-name notifications.
- */
-
-void
-ipc_notify_init_dead_name(
- mach_dead_name_notification_t *n)
-{
- mach_msg_header_t *m = &n->not_header;
-
- m->msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_PORT_SEND_ONCE, 0);
- m->msgh_local_port = MACH_PORT_NULL;
- m->msgh_remote_port = MACH_PORT_NULL;
- m->msgh_id = MACH_NOTIFY_DEAD_NAME;
- m->msgh_size = ((int)sizeof *n) - sizeof(mach_msg_format_0_trailer_t);
-
- n->not_port = MACH_PORT_NULL;
- n->NDR = NDR_record;
- n->trailer.msgh_seqno = 0;
- n->trailer.msgh_sender = KERNEL_SECURITY_TOKEN;
- n->trailer.msgh_trailer_type = MACH_MSG_TRAILER_FORMAT_0;
- n->trailer.msgh_trailer_size = MACH_MSG_TRAILER_MINIMUM_SIZE;
-}
-
-/*
- * Routine: ipc_notify_init
+ * Routine: ipc_notify_port_deleted
* Purpose:
- * Initialize the notification subsystem.
+ * Send a port-deleted notification.
+ * Conditions:
+ * Nothing locked.
+ * Consumes a ref/soright for port.
*/
void
-ipc_notify_init(void)
+ipc_notify_port_deleted(
+ ipc_port_t port,
+ mach_port_name_t name)
{
- ipc_notify_init_port_deleted(&ipc_notify_port_deleted_template);
- ipc_notify_init_port_destroyed(&ipc_notify_port_destroyed_template);
- ipc_notify_init_no_senders(&ipc_notify_no_senders_template);
- ipc_notify_init_send_once(&ipc_notify_send_once_template);
- ipc_notify_init_dead_name(&ipc_notify_dead_name_template);
+ (void)mach_notify_port_deleted(port, name);
+ /* send-once right consumed */
}
/*
- * Routine: ipc_notify_port_deleted
+ * Routine: ipc_notify_send_possible
* Purpose:
- * Send a port-deleted notification.
+ * Send a send-possible notification.
* Conditions:
* Nothing locked.
* Consumes a ref/soright for port.
*/
void
-ipc_notify_port_deleted(
+ipc_notify_send_possible(
ipc_port_t port,
mach_port_name_t name)
{
- ipc_kmsg_t kmsg;
- mach_port_deleted_notification_t *n;
-
- kmsg = ipc_kmsg_alloc(sizeof *n);
- if (kmsg == IKM_NULL) {
- printf("dropped port-deleted (0x%08x, 0x%x)\n", port, name);
- ipc_port_release_sonce(port);
- return;
- }
-
- n = (mach_port_deleted_notification_t *) &kmsg->ikm_header;
- *n = ipc_notify_port_deleted_template;
-
- n->not_header.msgh_remote_port = port;
- n->not_port = name;
-
- ipc_kmsg_send_always(kmsg);
+ (void)mach_notify_send_possible(port, name);
+ /* send-once right consumed */
}
/*
ipc_port_t port,
ipc_port_t right)
{
- ipc_kmsg_t kmsg;
- mach_port_destroyed_notification_t *n;
-
- kmsg = ipc_kmsg_alloc(sizeof *n);
- if (kmsg == IKM_NULL) {
- printf("dropped port-destroyed (0x%08x, 0x%08x)\n",
- port, right);
- ipc_port_release_sonce(port);
- ipc_port_release_receive(right);
- return;
- }
-
- n = (mach_port_destroyed_notification_t *) &kmsg->ikm_header;
- *n = ipc_notify_port_destroyed_template;
-
- n->not_header.msgh_remote_port = port;
- n->not_port.name = right;
-
- ipc_kmsg_send_always(kmsg);
+ mach_notify_port_destroyed(port, right);
+ /* send-once and receive rights consumed */
}
/*
ipc_port_t port,
mach_port_mscount_t mscount)
{
- ipc_kmsg_t kmsg;
- mach_no_senders_notification_t *n;
-
- kmsg = ipc_kmsg_alloc(sizeof *n);
- if (kmsg == IKM_NULL) {
- printf("dropped no-senders (0x%08x, %u)\n", port, mscount);
- ipc_port_release_sonce(port);
- return;
- }
-
- n = (mach_no_senders_notification_t *) &kmsg->ikm_header;
- *n = ipc_notify_no_senders_template;
-
- n->not_header.msgh_remote_port = port;
- n->not_count = mscount;
-
- ipc_kmsg_send_always(kmsg);
+ (void)mach_notify_no_senders(port, mscount);
+ /* send-once right consumed */
}
/*
ipc_notify_send_once(
ipc_port_t port)
{
- ipc_kmsg_t kmsg;
- mach_send_once_notification_t *n;
-
- kmsg = ipc_kmsg_alloc(sizeof *n);
- if (kmsg == IKM_NULL) {
- printf("dropped send-once (0x%08x)\n", port);
- ipc_port_release_sonce(port);
- return;
- }
-
- n = (mach_send_once_notification_t *) &kmsg->ikm_header;
- *n = ipc_notify_send_once_template;
-
- n->not_header.msgh_remote_port = port;
-
- ipc_kmsg_send_always(kmsg);
+ (void)mach_notify_send_once(port);
+ /* send-once right consumed */
}
/*
ipc_port_t port,
mach_port_name_t name)
{
- ipc_kmsg_t kmsg;
- mach_dead_name_notification_t *n;
-
- kmsg = ipc_kmsg_alloc(sizeof *n);
- if (kmsg == IKM_NULL) {
- printf("dropped dead-name (0x%08x, 0x%x)\n", port, name);
- ipc_port_release_sonce(port);
- return;
- }
-
- n = (mach_dead_name_notification_t *) &kmsg->ikm_header;
- *n = ipc_notify_dead_name_template;
-
- n->not_header.msgh_remote_port = port;
- n->not_port = name;
-
- ipc_kmsg_send_always(kmsg);
+ (void)mach_notify_dead_name(port, name);
+ /* send-once right consumed */
}
projects / apple / xnu.git / blobdiff