X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..ff6e181ae92fc6f1e89841290f461d1f2f9badd9:/osfmk/ipc/ipc_notify.c?ds=sidebyside

diff --git a/osfmk/ipc/ipc_notify.c b/osfmk/ipc/ipc_notify.c
index e00829214..2fc670593 100644
--- a/osfmk/ipc/ipc_notify.c
+++ b/osfmk/ipc/ipc_notify.c
@@ -1,10 +1,8 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 
  * 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
@@ -60,188 +58,13 @@
  *	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
- *	Purpose:
- *		Initialize the notification subsystem.
- */
-
-void
-ipc_notify_init(void)
-{
-	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);
-}
-
 /*
  *	Routine:	ipc_notify_port_deleted
  *	Purpose:
@@ -256,23 +79,13 @@ ipc_notify_port_deleted(
 	ipc_port_t		port,
 	mach_port_name_t	name)
 {
-	ipc_kmsg_t kmsg;
-	mach_port_deleted_notification_t *n;
+	kern_return_t kr;
 
-	kmsg = ipc_kmsg_alloc(sizeof *n);
-	if (kmsg == IKM_NULL) {
+	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);
-		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);
 }
 
 /*
@@ -292,25 +105,15 @@ ipc_notify_port_destroyed(
 	ipc_port_t	port,
 	ipc_port_t	right)
 {
-	ipc_kmsg_t kmsg;
-	mach_port_destroyed_notification_t *n;
+	kern_return_t kr;
 
-	kmsg = ipc_kmsg_alloc(sizeof *n);
-	if (kmsg == IKM_NULL) {
+	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);
-		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);
 }
 
 /*
@@ -327,23 +130,13 @@ ipc_notify_no_senders(
 	ipc_port_t		port,
 	mach_port_mscount_t	mscount)
 {
-	ipc_kmsg_t kmsg;
-	mach_no_senders_notification_t *n;
+	kern_return_t kr;
 
-	kmsg = ipc_kmsg_alloc(sizeof *n);
-	if (kmsg == IKM_NULL) {
+	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);
-		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);
 }
 
 /*
@@ -359,22 +152,13 @@ void
 ipc_notify_send_once(
 	ipc_port_t	port)
 {
-	ipc_kmsg_t kmsg;
-	mach_send_once_notification_t *n;
+	kern_return_t kr;
 
-	kmsg = ipc_kmsg_alloc(sizeof *n);
-	if (kmsg == IKM_NULL) {
+	kr = mach_notify_send_once(port);
+	if (kr != KERN_SUCCESS) {
 		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);
 }
 
 /*
@@ -391,21 +175,11 @@ ipc_notify_dead_name(
 	ipc_port_t		port,
 	mach_port_name_t	name)
 {
-	ipc_kmsg_t kmsg;
-	mach_dead_name_notification_t *n;
+	kern_return_t kr;
 
-	kmsg = ipc_kmsg_alloc(sizeof *n);
-	if (kmsg == IKM_NULL) {
+	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);
-		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);
 }