1 /* 2 * Copyright (c) 2000-2005 Apple Computer, 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 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. 30 * 31 * HISTORY 32 * 33 * 31 August 2000 (debo) 34 * Created. 35 */ 36 37 #ifndef _MACH_MK_TIMER_H_ 38 #define _MACH_MK_TIMER_H_ 39 40 #include <mach/mach_time.h> 41 #include <sys/cdefs.h> 42 43 __BEGIN_DECLS 44 45 extern mach_port_name_t mk_timer_create(void); 46 47 extern kern_return_t mk_timer_destroy( 48 mach_port_name_t name); 49 50 extern kern_return_t mk_timer_arm( 51 mach_port_name_t name, 52 uint64_t expire_time); 53 54 extern kern_return_t mk_timer_cancel( 55 mach_port_name_t name, 56 uint64_t *result_time); 57 58 /* mk_timer_flags */ 59 #define MK_TIMER_NORMAL (0) 60 #define MK_TIMER_CRITICAL (1) 61 62 extern kern_return_t mk_timer_arm_leeway( 63 mach_port_name_t name, 64 uint64_t mk_timer_flags, 65 uint64_t mk_timer_expire_time, 66 uint64_t mk_timer_leeway); 67 68 #pragma pack(4) 69 typedef struct mk_timer_expire_msg { 70 mach_msg_header_t header; 71 uint64_t unused[3]; 72 } mk_timer_expire_msg_t; 73 #pragma pack() 74 75 __END_DECLS 76 77 #endif /* _MACH_MK_TIMER_H_ */ 78