[RAPPS] Fix Ctrl+F hotkey not working regression
[reactos.git] / drivers / network / tdi / cte / timer.c
1 /*
2 * PROJECT: ReactOS TDI driver
3 * LICENSE: GPL - See COPYING in the top level directory
4 * FILE: drivers/network/tdi/cte/timer.c
5 * PURPOSE: CTE timer support
6 * PROGRAMMERS: Oleg Baikalow (obaikalow@gmail.com)
7 */
8
9 /* INCLUDES *****************************************************************/
10
11 #include "precomp.h"
12
13 /* FIXME: Move to a common header! */
14 struct _CTE_DELAYED_EVENT;
15 typedef void (*CTE_WORKER_ROUTINE)(struct _CTE_DELAYED_EVENT *, void *Context);
16
17 typedef struct _CTE_TIMER
18 {
19 BOOLEAN Queued;
20 KSPIN_LOCK Lock;
21 CTE_WORKER_ROUTINE Callback;
22 PVOID Context;
23 KDPC Dpc;
24 KTIMER Timer;
25 } CTE_TIMER, *PCTE_TIMER;
26
27 LONG CteTimeIncrement;
28
29 /* FUNCTIONS *****************************************************************/
30
31 VOID
32 NTAPI
33 InternalDpcRoutine(PKDPC Dpc,
34 PVOID Context,
35 PVOID SystemArgument1,
36 PVOID SystemArgument2)
37 {
38 PCTE_TIMER Timer = (PCTE_TIMER)Context;
39
40 /* Call our registered callback */
41 Timer->Callback((struct _CTE_DELAYED_EVENT *)Timer, Timer->Context);
42 }
43
44 /*
45 * @implemented
46 */
47 VOID
48 NTAPI
49 CTEInitTimer(PCTE_TIMER Timer)
50 {
51 /* Zero all fields */
52 RtlZeroMemory(Timer, sizeof(CTE_TIMER));
53
54 /* Create a DPC and a timer */
55 KeInitializeDpc(&Timer->Dpc, InternalDpcRoutine, Timer);
56 KeInitializeTimer(&Timer->Timer);
57 }
58
59 /*
60 * @implemented
61 */
62 BOOLEAN
63 NTAPI
64 CTEStartTimer(PCTE_TIMER Timer,
65 ULONG DueTimeShort,
66 CTE_WORKER_ROUTINE Callback,
67 PVOID Context)
68 {
69 LARGE_INTEGER DueTime;
70
71 /* Make sure a callback was provided */
72 ASSERT(Callback);
73
74 /* We need to convert due time, because DueTimeShort is in ms,
75 but NT timer expects 100s of ns, negative one */
76 DueTime.QuadPart = -Int32x32To64(DueTimeShort, 10000);
77
78 /* Set other timer members */
79 Timer->Callback = Callback;
80 Timer->Context = Context;
81
82 /* Set the timer */
83 KeSetTimer(&Timer->Timer, DueTime, &Timer->Dpc);
84
85 return TRUE;
86 }
87
88
89 /*
90 * @implemented
91 */
92 ULONG
93 NTAPI
94 CTESystemUpTime(VOID)
95 {
96 LARGE_INTEGER Ticks;
97
98 /* Get the tick count */
99 KeQueryTickCount(&Ticks);
100
101 /* Convert to 100s of ns and then to ms*/
102 Ticks.QuadPart = (Ticks.QuadPart * CteTimeIncrement) / 10000ULL;
103
104 return Ticks.LowPart;
105 }
106
107 /*
108 * @implemented
109 */
110 BOOLEAN
111 NTAPI
112 CTEInitialize(VOID)
113 {
114 /* Just return success */
115 return TRUE;
116 }
117
118 /* EOF */