osfmk/mach/mk_timer.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * Copyright (c) 2000 Apple Computer, Inc.  All rights reserved.
  32  *
  33  * HISTORY
  34  *
  35  * 31 August 2000 (debo)
  36  *  Created.
  37  */
  38
  39 #ifndef _MACH_MK_TIMER_H_
  40 #define _MACH_MK_TIMER_H_
  41
  42 #include <mach/mach_time.h>
  43 #include <sys/cdefs.h>
  44
  45 __BEGIN_DECLS
  46
  47 mach_port_name_t        mk_timer_create(void);
  48
  49 kern_return_t   mk_timer_destroy(
  50                                         mach_port_name_t        name);
  51
  52 kern_return_t   mk_timer_arm(
  53                                         mach_port_name_t        name,
  54                                         uint64_t                        expire_time);
  55
  56 kern_return_t   mk_timer_cancel(
  57                                         mach_port_name_t        name,
  58                                         uint64_t                        *result_time);
  59
  60 __END_DECLS
  61
  62 #pragma pack(4)
  63 struct mk_timer_expire_msg {
  64         mach_msg_header_t       header;
  65         uint64_t                        unused[3];
  66 };
  67 #pragma pack()
  68
  69 typedef struct mk_timer_expire_msg              mk_timer_expire_msg_t;
  70
  71 #endif /* _MACH_MK_TIMER_H_ */