osfmk/mach/mk_timer.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright (c) 2000 Apple Computer, Inc.  All rights reserved.
  25  *
  26  * HISTORY
  27  *
  28  * 31 August 2000 (debo)
  29  *  Created.
  30  */
  31
  32 #ifndef _MACH_MK_TIMER_H_
  33 #define _MACH_MK_TIMER_H_
  34
  35 #include <mach/mach_time.h>
  36 #include <sys/cdefs.h>
  37
  38 __BEGIN_DECLS
  39
  40 mach_port_name_t        mk_timer_create(void);
  41
  42 kern_return_t   mk_timer_destroy(
  43                                         mach_port_name_t        name);
  44
  45 kern_return_t   mk_timer_arm(
  46                                         mach_port_name_t        name,
  47                                         uint64_t                        expire_time);
  48
  49 kern_return_t   mk_timer_cancel(
  50                                         mach_port_name_t        name,
  51                                         uint64_t                        *result_time);
  52
  53 __END_DECLS
  54
  55 #pragma pack(4)
  56 struct mk_timer_expire_msg {
  57         mach_msg_header_t       header;
  58         uint64_t                        unused[3];
  59 };
  60 #pragma pack()
  61
  62 typedef struct mk_timer_expire_msg              mk_timer_expire_msg_t;
  63
  64 #endif /* _MACH_MK_TIMER_H_ */