95 lines
1.5 KiB
C
95 lines
1.5 KiB
C
|
//
|
||
|
|
// VERY USEFUL TIMER ROUTINES
|
||
|
|
//
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
RtCreateTimer(IN PHANDLE TimerHandlep)
|
||
|
|
{
|
||
|
|
OBJECT_ATTRIBUTES ObjA;
|
||
|
|
NTSTATUS Status;
|
||
|
|
|
||
|
|
InitializeObjectAttributes(&ObjA, NULL, 0, NULL, NULL);
|
||
|
|
|
||
|
|
Status = NtCreateTimer(TimerHandlep, TIMER_ALL_ACCESS, &ObjA);
|
||
|
|
|
||
|
|
if (!NT_SUCCESS(Status)) {
|
||
|
|
SS_PRINT(("Failed to create timer: %X\n", Status));
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
RtDestroyTimer(IN HANDLE TimerHandle)
|
||
|
|
{
|
||
|
|
NTSTATUS Status;
|
||
|
|
|
||
|
|
Status = NtClose(TimerHandle);
|
||
|
|
|
||
|
|
if (!NT_SUCCESS(Status)) {
|
||
|
|
SS_PRINT(("Failed to create timer: %X\n", Status));
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
RtSetTimer(
|
||
|
|
IN HANDLE TimerHandle,
|
||
|
|
IN ULONG MillisecondsToExpire,
|
||
|
|
IN PTIMER_APC_ROUTINE TimerRoutine,
|
||
|
|
IN PVOID Context
|
||
|
|
)
|
||
|
|
{
|
||
|
|
LARGE_INTEGER TimerDueTime;
|
||
|
|
NTSTATUS NtStatus;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Figure out the timeout.
|
||
|
|
//
|
||
|
|
|
||
|
|
TimerDueTime.QuadPart = Int32x32To64( MillisecondsToExpire, -10000 );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set the timer to go off when it expires.
|
||
|
|
//
|
||
|
|
|
||
|
|
NtStatus = NtSetTimer(TimerHandle,
|
||
|
|
&TimerDueTime,
|
||
|
|
TimerRoutine,
|
||
|
|
Context,
|
||
|
|
NULL);
|
||
|
|
|
||
|
|
if (!NT_SUCCESS(NtStatus)) {
|
||
|
|
|
||
|
|
SS_PRINT(("RtSetTimer: Failed to set timer: 0x%x\n", NtStatus));
|
||
|
|
SS_ASSERT(FALSE);
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
RtCancelTimer(
|
||
|
|
IN HANDLE TimerHandle;
|
||
|
|
)
|
||
|
|
{
|
||
|
|
NTSTATUS NtStatus;
|
||
|
|
|
||
|
|
NtStatus = NtCancelTimer(TimerHandle, NULL);
|
||
|
|
|
||
|
|
if (!NT_SUCCESS(NtStatus)) {
|
||
|
|
|
||
|
|
SS_PRINT(("RtCancelTimer: Failed to cancel timer: 0x%x\n", NtStatus));
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|