/*
- * Copyright (c) 2003-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2020 Apple Inc. All rights reserved.
*
- * @APPLE_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 Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @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. 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
* 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.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
- *
- * HISTORY
+ * 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.
*
- * 16 January 2003 (debo)
- * Created.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <mach/mach_types.h>
#include "mach/host_notify_reply.h"
-static zone_t host_notify_zone;
-decl_mutex_data(static,host_notify_lock)
+struct host_notify_entry {
+ queue_chain_t entries;
+ ipc_port_t port;
+};
+typedef struct host_notify_entry *host_notify_t;
-static queue_head_t host_notify_queue[HOST_NOTIFY_TYPE_MAX+1];
+LCK_GRP_DECLARE(host_notify_lock_grp, "host_notify");
+LCK_MTX_EARLY_DECLARE(host_notify_lock, &host_notify_lock_grp);
-static mach_msg_id_t host_notify_replyid[HOST_NOTIFY_TYPE_MAX+1] =
- { HOST_CALENDAR_CHANGED_REPLYID };
+static ZONE_DECLARE(host_notify_zone, "host_notify",
+ sizeof(struct host_notify_entry), ZC_NONE);
-struct host_notify_entry {
- queue_chain_t entries;
- ipc_port_t port;
-};
+static queue_head_t host_notify_queue[HOST_NOTIFY_TYPE_MAX + 1];
-typedef struct host_notify_entry *host_notify_t;
+static mach_msg_id_t host_notify_replyid[HOST_NOTIFY_TYPE_MAX + 1] =
+{ HOST_CALENDAR_CHANGED_REPLYID,
+ HOST_CALENDAR_SET_REPLYID };
-void
+__startup_func
+static void
host_notify_init(void)
{
- int i;
-
- for (i = 0; i <= HOST_NOTIFY_TYPE_MAX; i++)
+ for (int i = 0; i <= HOST_NOTIFY_TYPE_MAX; i++) {
queue_init(&host_notify_queue[i]);
-
- mutex_init(&host_notify_lock, 0);
-
- i = sizeof (struct host_notify_entry);
- host_notify_zone =
- zinit(i, (4096 * i), (16 * i), "host_notify");
+ }
}
+STARTUP(MACH_IPC, STARTUP_RANK_FIRST, host_notify_init);
kern_return_t
host_request_notification(
- host_t host,
- host_flavor_t notify_type,
- ipc_port_t port)
+ host_t host,
+ host_flavor_t notify_type,
+ ipc_port_t port)
{
- host_notify_t entry;
+ host_notify_t entry;
- if (host == HOST_NULL)
- return (KERN_INVALID_ARGUMENT);
+ if (host == HOST_NULL) {
+ return KERN_INVALID_ARGUMENT;
+ }
- if (!IP_VALID(port))
- return (KERN_INVALID_CAPABILITY);
+ if (!IP_VALID(port)) {
+ return KERN_INVALID_CAPABILITY;
+ }
- if (notify_type > HOST_NOTIFY_TYPE_MAX || notify_type < 0)
- return (KERN_INVALID_ARGUMENT);
+ if (notify_type > HOST_NOTIFY_TYPE_MAX || notify_type < 0) {
+ return KERN_INVALID_ARGUMENT;
+ }
entry = (host_notify_t)zalloc(host_notify_zone);
- if (entry == NULL)
- return (KERN_RESOURCE_SHORTAGE);
+ if (entry == NULL) {
+ return KERN_RESOURCE_SHORTAGE;
+ }
- mutex_lock(&host_notify_lock);
+ lck_mtx_lock(&host_notify_lock);
ip_lock(port);
- if (!ip_active(port) || ip_kotype(port) != IKOT_NONE) {
+ if (!ip_active(port) || port->ip_tempowner || port->ip_specialreply ||
+ ip_is_kolabeled(port) || ip_kotype(port) != IKOT_NONE) {
ip_unlock(port);
- mutex_unlock(&host_notify_lock);
+ lck_mtx_unlock(&host_notify_lock);
zfree(host_notify_zone, entry);
- return (KERN_FAILURE);
+ return KERN_FAILURE;
}
entry->port = port;
ip_unlock(port);
enqueue_tail(&host_notify_queue[notify_type], (queue_entry_t)entry);
- mutex_unlock(&host_notify_lock);
+ lck_mtx_unlock(&host_notify_lock);
- return (KERN_SUCCESS);
+ return KERN_SUCCESS;
}
void
host_notify_port_destroy(
- ipc_port_t port)
+ ipc_port_t port)
{
- host_notify_t entry;
+ host_notify_t entry;
- mutex_lock(&host_notify_lock);
+ lck_mtx_lock(&host_notify_lock);
ip_lock(port);
if (ip_kotype(port) == IKOT_HOST_NOTIFY) {
- entry = (host_notify_t)port->ip_kobject;
+ entry = (host_notify_t)ip_get_kobject(port);
assert(entry != NULL);
ipc_kobject_set_atomically(port, IKO_NULL, IKOT_NONE);
ip_unlock(port);
assert(entry->port == port);
- remqueue(NULL, (queue_entry_t)entry);
- mutex_unlock(&host_notify_lock);
+ remqueue((queue_entry_t)entry);
+ lck_mtx_unlock(&host_notify_lock);
zfree(host_notify_zone, entry);
ipc_port_release_sonce(port);
}
ip_unlock(port);
- mutex_unlock(&host_notify_lock);
+ lck_mtx_unlock(&host_notify_lock);
}
static void
host_notify_all(
- host_flavor_t notify_type,
- mach_msg_header_t *msg,
- mach_msg_size_t msg_size)
+ host_flavor_t notify_type,
+ mach_msg_header_t *msg,
+ mach_msg_size_t msg_size)
{
- queue_t notify_queue = &host_notify_queue[notify_type];
+ queue_t notify_queue = &host_notify_queue[notify_type];
- mutex_lock(&host_notify_lock);
+ lck_mtx_lock(&host_notify_lock);
if (!queue_empty(notify_queue)) {
- queue_head_t send_queue;
- host_notify_t entry;
+ queue_head_t send_queue;
+ host_notify_t entry;
send_queue = *notify_queue;
queue_init(notify_queue);
send_queue.next->prev = &send_queue;
send_queue.prev->next = &send_queue;
- msg->msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_MOVE_SEND_ONCE, 0);
+ msg->msgh_bits =
+ MACH_MSGH_BITS_SET(MACH_MSG_TYPE_MOVE_SEND_ONCE, 0, 0, 0);
msg->msgh_local_port = MACH_PORT_NULL;
+ msg->msgh_voucher_port = MACH_PORT_NULL;
msg->msgh_id = host_notify_replyid[notify_type];
- msg->msgh_reserved = 0;
while ((entry = (host_notify_t)dequeue(&send_queue)) != NULL) {
- ipc_port_t port;
+ ipc_port_t port;
port = entry->port;
assert(port != IP_NULL);
ip_lock(port);
assert(ip_kotype(port) == IKOT_HOST_NOTIFY);
- assert(port->ip_kobject == (ipc_kobject_t)entry);
+ assert(ip_get_kobject(port) == (ipc_kobject_t)entry);
ipc_kobject_set_atomically(port, IKO_NULL, IKOT_NONE);
ip_unlock(port);
- mutex_unlock(&host_notify_lock);
+ lck_mtx_unlock(&host_notify_lock);
zfree(host_notify_zone, entry);
msg->msgh_remote_port = port;
- (void) mach_msg_send_from_kernel(msg, msg_size);
+ (void) mach_msg_send_from_kernel_proper(msg, msg_size);
- mutex_lock(&host_notify_lock);
+ lck_mtx_lock(&host_notify_lock);
}
}
- mutex_unlock(&host_notify_lock);
+ lck_mtx_unlock(&host_notify_lock);
}
void
host_notify_calendar_change(void)
{
- __Request__host_calendar_changed_t msg;
+ __Request__host_calendar_changed_t msg;
+
+ host_notify_all(HOST_NOTIFY_CALENDAR_CHANGE, &msg.Head, sizeof(msg));
+}
+
+void
+host_notify_calendar_set(void)
+{
+ __Request__host_calendar_set_t msg;
- host_notify_all(HOST_NOTIFY_CALENDAR_CHANGE, &msg.Head, sizeof (msg));
+ host_notify_all(HOST_NOTIFY_CALENDAR_SET, &msg.Head, sizeof(msg));
}