1 /* 2 * Copyright (c) 2004 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 /* 30 * devtimer.h 31 * - timer source based on <kern/thread_call.h> 32 */ 33 34 35 #ifndef _NET_DEVTIMER_H 36 #define _NET_DEVTIMER_H 37 38 #include <sys/types.h> 39 #include <sys/systm.h> 40 41 #define DEVTIMER_USECS_PER_SEC (1000 * 1000) 42 43 enum { 44 devtimer_process_func_event_lock, 45 devtimer_process_func_event_unlock, 46 }; 47 typedef int devtimer_process_func_event; 48 49 typedef struct devtimer_s * devtimer_ref; 50 typedef void (*devtimer_process_func)(devtimer_ref timer, 51 devtimer_process_func_event event); 52 typedef void (*devtimer_timeout_func)(void * arg0, void * arg1, void * arg2); 53 54 int 55 devtimer_valid(devtimer_ref timer); 56 57 void 58 devtimer_retain(devtimer_ref timer); 59 60 void * 61 devtimer_arg0(devtimer_ref timer); 62 63 devtimer_ref 64 devtimer_create(devtimer_process_func process_func, void * arg0); 65 66 void 67 devtimer_invalidate(devtimer_ref timer); 68 69 void 70 devtimer_release(devtimer_ref timer); 71 72 void 73 devtimer_set_absolute(devtimer_ref t, 74 struct timeval abs_time, 75 devtimer_timeout_func func, 76 void * arg1, void * arg2); 77 78 void 79 devtimer_set_relative(devtimer_ref t, 80 struct timeval rel_time, 81 devtimer_timeout_func func, 82 void * arg1, void * arg2); 83 void 84 devtimer_cancel(devtimer_ref t); 85 86 int 87 devtimer_enabled(devtimer_ref t); 88 89 struct timeval 90 devtimer_current_time(void); 91 92 int32_t 93 devtimer_current_secs(void); 94 95 #endif /* _NET_DEVTIMER_H */ 96