NtCreateTimer - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers

#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)

NTSYSCALLAPI
NTSTATUS
NTAPI
NtCreateTimer(
    _Out_ PHANDLE TimerHandle,
    _In_ ACCESS_MASK DesiredAccess,
    _In_opt_ PCOBJECT_ATTRIBUTES ObjectAttributes,
    _In_ TIMER_TYPE TimerType
    );

#endif
#endif
View code on GitHub

#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwCreateTimer(
    _Out_ PHANDLE TimerHandle,
    _In_ ACCESS_MASK DesiredAccess,
    _In_opt_ PCOBJECT_ATTRIBUTES ObjectAttributes,
    _In_ TIMER_TYPE TimerType
    );

#endif
View code on GitHub

TimerHandle

Result of call - HANDLE to Timer Object.

DesiredAccess

Access mask for TimerHandle. Can be set of (from <WinNT.h>):

ObjectAttributes

Optional name of Timer Object.

TimerType

Can be NotificationTimer or SynchronizationTimer (enumerated type definition from <ntdef.h>).
See also EVENT_TYPE.

Documented by

Tomasz Nowak