/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 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@
*/
/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*/
#include <mach/mach_types.h>
+#include <mach/mach_traps.h>
#include <mach/mach_port_server.h>
#include <mach/mk_timer.h>
void *p1);
mach_port_name_t
-mk_timer_create(void)
+mk_timer_create_trap(
+ __unused struct mk_timer_create_trap_args *args)
{
mk_timer_t timer;
ipc_space_t myspace = current_space();
result = ipc_port_translate_receive(myspace, name, &port);
if (result != KERN_SUCCESS) {
- zfree(mk_timer_zone, (vm_offset_t)timer);
+ zfree(mk_timer_zone, timer);
return (MACH_PORT_NULL);
}
- simple_lock_init(&timer->lock, ETAP_MISC_TIMER);
- call_entry_setup(&timer->call_entry, mk_timer_expire, timer);
+ simple_lock_init(&timer->lock, 0);
+ thread_call_setup(&timer->call_entry, mk_timer_expire, timer);
timer->is_armed = timer->is_dead = FALSE;
timer->active = 0;
timer->is_dead = TRUE;
if (timer->active == 0) {
simple_unlock(&timer->lock);
- zfree(mk_timer_zone, (vm_offset_t)timer);
+ zfree(mk_timer_zone, timer);
ipc_port_release_send(port);
return;
}
void
-mk_timer_initialize(void)
+mk_timer_init(void)
{
int s = sizeof (mk_timer_data_t);
assert(!(mk_timer_zone != NULL));
mk_timer_zone = zinit(s, (4096 * s), (16 * s), "mk_timer");
+
+ zone_change(mk_timer_zone, Z_NOENCRYPT, TRUE);
}
static void
mk_timer_expire(
void *p0,
- void *p1)
+ __unused void *p1)
{
- AbsoluteTime time_of_posting;
mk_timer_t timer = p0;
ipc_port_t port;
- clock_get_uptime(&time_of_posting);
-
simple_lock(&timer->lock);
if (timer->active > 1) {
port = timer->port;
assert(port != IP_NULL);
+ assert(timer->active == 1);
- while ( timer->is_armed &&
- !thread_call_is_delayed(&timer->call_entry, NULL) ) {
+ while (timer->is_armed && timer->active == 1) {
mk_timer_expire_msg_t msg;
timer->is_armed = FALSE;
-
- msg.time_of_arming = timer->time_of_arming;
- msg.armed_time = timer->call_entry.deadline;
- msg.time_of_posting = time_of_posting;
-
simple_unlock(&timer->lock);
- msg.header.msgh_bits = MACH_MSGH_BITS(MACH_MSG_TYPE_COPY_SEND, 0);
+ msg.header.msgh_bits =
+ MACH_MSGH_BITS_SET(MACH_MSG_TYPE_COPY_SEND, 0, 0, 0);
msg.header.msgh_remote_port = port;
msg.header.msgh_local_port = MACH_PORT_NULL;
- msg.header.msgh_reserved = msg.header.msgh_id = 0;
+ msg.header.msgh_voucher_port = MACH_PORT_NULL;
+ msg.header.msgh_id = 0;
+
+ msg.unused[0] = msg.unused[1] = msg.unused[2] = 0;
- (void) mach_msg_send_from_kernel(&msg.header, sizeof (msg));
+ (void) mach_msg_send_from_kernel_proper(&msg.header, sizeof (msg));
simple_lock(&timer->lock);
}
if (--timer->active == 0 && timer->is_dead) {
simple_unlock(&timer->lock);
- zfree(mk_timer_zone, (vm_offset_t)timer);
+ zfree(mk_timer_zone, timer);
ipc_port_release_send(port);
return;
simple_unlock(&timer->lock);
}
+/*
+ * mk_timer_destroy_trap: Destroy the Mach port associated with a timer
+ *
+ * Parameters: args User argument descriptor (see below)
+ *
+ * Indirect: args->name Mach port name
+ *
+ *
+ * Returns: 0 Success
+ * !0 Not success
+ *
+ */
kern_return_t
-mk_timer_destroy(
- mach_port_name_t name)
+mk_timer_destroy_trap(
+ struct mk_timer_destroy_trap_args *args)
{
+ mach_port_name_t name = args->name;
ipc_space_t myspace = current_space();
ipc_port_t port;
kern_return_t result;
return (result);
}
-kern_return_t
-mk_timer_arm(
- mach_port_name_t name,
- AbsoluteTime expire_time)
-{
- AbsoluteTime time_of_arming;
+/*
+ * mk_timer_arm_trap: Start (arm) a timer
+ *
+ * Parameters: args User argument descriptor (see below)
+ *
+ * Indirect: args->name Mach port name
+ * args->expire_time Time when timer expires
+ *
+ *
+ * Returns: 0 Success
+ * !0 Not success
+ *
+ */
+
+static kern_return_t
+mk_timer_arm_trap_internal(mach_port_name_t name, uint64_t expire_time, uint64_t mk_leeway, uint64_t mk_timer_flags) {
mk_timer_t timer;
ipc_space_t myspace = current_space();
ipc_port_t port;
- kern_return_t result;
-
- clock_get_uptime(&time_of_arming);
+ kern_return_t result;
result = ipc_port_translate_receive(myspace, name, &port);
if (result != KERN_SUCCESS)
if (ip_kotype(port) == IKOT_TIMER) {
timer = (mk_timer_t)port->ip_kobject;
assert(timer != NULL);
+
simple_lock(&timer->lock);
assert(timer->port == port);
ip_unlock(port);
- timer->time_of_arming = time_of_arming;
- timer->is_armed = TRUE;
+ if (!timer->is_dead) {
+ timer->is_armed = TRUE;
+
+ if (expire_time > mach_absolute_time()) {
+ uint32_t tcflags = THREAD_CALL_DELAY_USER_NORMAL;
+
+ if (mk_timer_flags & MK_TIMER_CRITICAL) {
+ tcflags = THREAD_CALL_DELAY_USER_CRITICAL;
+ }
+
+ if (mk_leeway != 0) {
+ tcflags |= THREAD_CALL_DELAY_LEEWAY;
+ }
+
+ if (!thread_call_enter_delayed_with_leeway(
+ &timer->call_entry, NULL,
+ expire_time, mk_leeway, tcflags)) {
+
+ timer->active++;
+ }
+ } else {
+ if (!thread_call_enter1(&timer->call_entry, NULL))
+ timer->active++;
+ }
+ }
- if (!thread_call_enter_delayed(&timer->call_entry, expire_time))
- timer->active++;
simple_unlock(&timer->lock);
- }
- else {
+ } else {
ip_unlock(port);
result = KERN_INVALID_ARGUMENT;
}
-
return (result);
}
kern_return_t
-mk_timer_cancel(
- mach_port_name_t name,
- AbsoluteTime *result_time)
+mk_timer_arm_trap(struct mk_timer_arm_trap_args *args) {
+ return mk_timer_arm_trap_internal(args->name, args->expire_time, 0, MK_TIMER_NORMAL);
+}
+
+kern_return_t
+mk_timer_arm_leeway_trap(struct mk_timer_arm_leeway_trap_args *args) {
+ return mk_timer_arm_trap_internal(args->name, args->expire_time, args->mk_leeway, args->mk_timer_flags);
+}
+
+/*
+ * mk_timer_cancel_trap: Cancel a timer
+ *
+ * Parameters: args User argument descriptor (see below)
+ *
+ * Indirect: args->name Mach port name
+ * args->result_time The armed time of the cancelled timer (return value)
+ *
+ *
+ * Returns: 0 Success
+ * !0 Not success
+ *
+ */
+kern_return_t
+mk_timer_cancel_trap(
+ struct mk_timer_cancel_trap_args *args)
{
- AbsoluteTime armed_time = { 0, 0 };
+ mach_port_name_t name = args->name;
+ mach_vm_address_t result_time_addr = args->result_time;
+ uint64_t armed_time = 0;
mk_timer_t timer;
ipc_space_t myspace = current_space();
ipc_port_t port;
ip_unlock(port);
if (timer->is_armed) {
- armed_time = timer->call_entry.deadline;
+ armed_time = timer->call_entry.tc_call.deadline;
if (thread_call_cancel(&timer->call_entry))
timer->active--;
timer->is_armed = FALSE;
}
if (result == KERN_SUCCESS)
- if ( result_time != NULL &&
- copyout((void *)&armed_time, (void *)result_time,
+ if ( result_time_addr != 0 &&
+ copyout((void *)&armed_time, result_time_addr,
sizeof (armed_time)) != 0 )
result = KERN_FAILURE;
projects / apple / xnu.git / blobdiff