+++ /dev/null
-/*
- * PROJECT: ReactOS Win32 Base API
- * LICENSE: See COPYING in the top level directory
- * FILE: dll/win32/kernel32/client/timerqueue.c
- * PURPOSE: Timer Queue Functions
- * PROGRAMMERS: Thomas Weidenmueller <w3seek@reactos.com>
- */
-
-/* INCLUDES *******************************************************************/
-
-#include <k32.h>
-
-#define NDEBUG
-#include <debug.h>
-
-/* GLOBALS ********************************************************************/
-
-HANDLE BasepDefaultTimerQueue = NULL;
-
-/* PRIVATE FUNCTIONS **********************************************************/
-
-/* FIXME - make this thread safe */
-BOOL
-WINAPI
-BasepCreateDefaultTimerQueue(VOID)
-{
- NTSTATUS Status;
-
- /* Create the timer queue */
- Status = RtlCreateTimerQueue(&BasepDefaultTimerQueue);
- if (!NT_SUCCESS(Status))
- {
- BaseSetLastNTError(Status);
- DPRINT1("Unable to create the default timer queue!\n");
- return FALSE;
- }
-
- return TRUE;
-}
-
-/* PUBLIC FUNCTIONS ***********************************************************/
-
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-CancelTimerQueueTimer(IN HANDLE TimerQueue,
- IN HANDLE Timer)
-{
- NTSTATUS Status;
-
- if (!TimerQueue)
- {
- /* Use the default timer queue */
- TimerQueue = BasepDefaultTimerQueue;
- if (!TimerQueue)
- {
- /* A timer is being cancelled before one was created... fail */
- SetLastError(ERROR_INVALID_HANDLE);
- return FALSE;
- }
- }
-
- /* Delete the timer */
- Status = RtlDeleteTimer(TimerQueue, Timer, NULL);
- if (!NT_SUCCESS(Status))
- {
- BaseSetLastNTError(Status);
- return FALSE;
- }
-
- return TRUE;
-}
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-ChangeTimerQueueTimer(IN HANDLE TimerQueue,
- IN HANDLE Timer,
- IN ULONG DueTime,
- IN ULONG Period)
-{
- NTSTATUS Status;
-
- if (!TimerQueue)
- {
- /* Use the default timer queue */
- TimerQueue = BasepDefaultTimerQueue;
- if (!TimerQueue)
- {
- /* A timer is being cancelled before one was created... fail */
- SetLastError(ERROR_INVALID_PARAMETER);
- return FALSE;
- }
- }
-
- /* Delete the timer */
- Status = RtlUpdateTimer(TimerQueue, Timer, DueTime, Period);
- if (!NT_SUCCESS(Status))
- {
- BaseSetLastNTError(Status);
- return FALSE;
- }
-
- return TRUE;
-}
-
-/*
- * @implemented
- */
-HANDLE
-WINAPI
-CreateTimerQueue(VOID)
-{
- HANDLE Handle;
- NTSTATUS Status;
-
- /* Create the timer queue */
- Status = RtlCreateTimerQueue(&Handle);
- if(!NT_SUCCESS(Status))
- {
- BaseSetLastNTError(Status);
- return NULL;
- }
-
- return Handle;
-}
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-CreateTimerQueueTimer(OUT PHANDLE phNewTimer,
- IN HANDLE TimerQueue,
- IN WAITORTIMERCALLBACK Callback,
- IN PVOID Parameter,
- IN DWORD DueTime,
- IN DWORD Period,
- IN ULONG Flags)
-{
- NTSTATUS Status;
-
- /* Parameter is not optional -- clear it now */
- *phNewTimer = NULL;
-
- /* Check if no queue was given */
- if (!TimerQueue)
- {
- /* Create the queue if it didn't already exist */
- if (!(BasepDefaultTimerQueue) && !(BasepCreateDefaultTimerQueue()))
- {
- return FALSE;
- }
-
- /* Use the default queue */
- TimerQueue = BasepDefaultTimerQueue;
- }
-
- /* Create the timer. Note that no parameter checking is done here */
- Status = RtlCreateTimer(TimerQueue,
- phNewTimer,
- Callback,
- Parameter,
- DueTime,
- Period,
- Flags);
- if (!NT_SUCCESS(Status))
- {
- BaseSetLastNTError(Status);
- return FALSE;
- }
-
- return TRUE;
-}
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-DeleteTimerQueue(IN HANDLE TimerQueue)
-{
- /* We don't allow the user to delete the default timer queue */
- if (!TimerQueue)
- {
- SetLastError(ERROR_INVALID_HANDLE);
- return FALSE;
- }
-
- /* Delete the timer queue */
- RtlDeleteTimerQueueEx(TimerQueue, 0);
- return TRUE;
-}
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-DeleteTimerQueueEx(IN HANDLE TimerQueue,
- IN HANDLE CompletionEvent)
-{
- NTSTATUS Status;
-
- /* We don't allow the user to delete the default timer queue */
- if (!TimerQueue)
- {
- SetLastError(ERROR_INVALID_HANDLE);
- return FALSE;
- }
-
- /* Delete the timer queue */
- Status = RtlDeleteTimerQueueEx(TimerQueue, CompletionEvent);
- if (((CompletionEvent != INVALID_HANDLE_VALUE) && (Status == STATUS_PENDING)) ||
- !(NT_SUCCESS(Status)))
- {
- /* In case CompletionEvent == NULL, RtlDeleteTimerQueueEx() returns before
- all callback routines returned. We set the last error code to STATUS_PENDING
- and return FALSE. In case CompletionEvent == INVALID_HANDLE_VALUE we only
- can get here if another error occured. In case CompletionEvent is something
- else, we get here and fail, even though it isn't really an error (if Status == STATUS_PENDING).
- We also handle all other failures the same way. */
- BaseSetLastNTError(Status);
- return FALSE;
- }
-
- return TRUE;
-}
-
-/*
- * @implemented
- */
-BOOL
-WINAPI
-DeleteTimerQueueTimer(IN HANDLE TimerQueue,
- IN HANDLE Timer,
- IN HANDLE CompletionEvent)
-{
- NTSTATUS Status;
-
- if (!TimerQueue)
- {
- /* Use the default timer queue */
- TimerQueue = BasepDefaultTimerQueue;
- if (!TimerQueue)
- {
- /* A timer is being cancelled before one was created... fail */
- SetLastError(ERROR_INVALID_PARAMETER);
- return FALSE;
- }
- }
-
- /* Delete the timer */
- Status = RtlDeleteTimer(TimerQueue, Timer, CompletionEvent);
- if (((CompletionEvent != INVALID_HANDLE_VALUE) && (Status == STATUS_PENDING)) ||
- !(NT_SUCCESS(Status)))
- {
- /* In case CompletionEvent == NULL, RtlDeleteTimerQueueEx() returns before
- all callback routines returned. We set the last error code to STATUS_PENDING
- and return FALSE. In case CompletionEvent == INVALID_HANDLE_VALUE we only
- can get here if another error occured. In case CompletionEvent is something
- else, we get here and fail, even though it isn't really an error (if Status == STATUS_PENDING).
- We also handle all other failures the same way. */
- BaseSetLastNTError(Status);
- return FALSE;
- }
-
- return TRUE;
-}
-
-/*
- * @implemented
- */
-HANDLE
-WINAPI
-SetTimerQueueTimer(IN HANDLE TimerQueue,
- IN WAITORTIMERCALLBACK Callback,
- IN PVOID Parameter,
- IN DWORD DueTime,
- IN DWORD Period,
- IN BOOL PreferIo)
-{
- HANDLE Timer;
- NTSTATUS Status;
-
- /* Check if no queue was given */
- if (!TimerQueue)
- {
- /* Create the queue if it didn't already exist */
- if (!(BasepDefaultTimerQueue) && !(BasepCreateDefaultTimerQueue()))
- {
- return FALSE;
- }
-
- /* Use the default queue */
- TimerQueue = BasepDefaultTimerQueue;
- }
-
- /* Create the timer */
- Status = RtlCreateTimer(TimerQueue,
- &Timer,
- Callback,
- Parameter,
- DueTime,
- Period,
- PreferIo ? WT_EXECUTEINIOTHREAD : WT_EXECUTEDEFAULT);
- if (!NT_SUCCESS(Status))
- {
- BaseSetLastNTError(Status);
- return NULL;
- }
-
- return Timer;
-}
-
-/* EOF */
projects / reactos.git / blobdiff