osfmk/chud/chud_osfmk_callback.c

   1 /*
   2  * Copyright (c) 2003-2007 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 #include <stdint.h>
  30 #include <mach/boolean.h>
  31 #include <mach/mach_types.h>
  32
  33 #include <kern/kern_types.h>
  34 #include <kern/processor.h>
  35 #include <kern/timer_call.h>
  36 #include <kern/thread_call.h>
  37 #include <kern/kalloc.h>
  38 #include <kern/thread.h>
  39
  40 #include <libkern/OSAtomic.h>
  41
  42 #include <machine/machine_routines.h>
  43 #include <machine/cpu_data.h>
  44
  45 #include <chud/chud_xnu.h>
  46 #include <chud/chud_xnu_private.h>
  47
  48 #if 0
  49 #pragma mark **** timer ****
  50 #endif
  51
  52 __private_extern__ chud_timer_t
  53 chudxnu_timer_alloc(chudxnu_timer_callback_func_t func, thread_call_param_t param0)
  54 {
  55     return (chud_timer_t)thread_call_allocate((thread_call_func_t)func, param0);
  56 }
  57
  58 __private_extern__ kern_return_t
  59 chudxnu_timer_callback_enter(
  60         chud_timer_t timer,
  61         thread_call_param_t param1,
  62         uint32_t time,
  63         uint32_t units)
  64 {
  65     uint64_t t_delay;
  66     clock_interval_to_deadline(time, units, &t_delay);
  67     thread_call_enter1_delayed((thread_call_t)timer, param1, t_delay);
  68     return KERN_SUCCESS;
  69 }
  70
  71 __private_extern__ kern_return_t
  72 chudxnu_timer_callback_cancel(chud_timer_t timer)
  73 {
  74     thread_call_cancel((thread_call_t)timer);
  75     return KERN_SUCCESS;
  76 }
  77
  78 __private_extern__ kern_return_t
  79 chudxnu_timer_free(chud_timer_t timer)
  80 {
  81     thread_call_cancel((thread_call_t)timer);
  82     thread_call_free((thread_call_t)timer);
  83     return KERN_SUCCESS;
  84 }
  85
  86