NtClearEvent - NtDoc

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

#ifndef _NTEXAPI_H
#if (PHNT_MODE != PHNT_MODE_KERNEL)

/**
 * The NtClearEvent routine sets an event object to the not-signaled state.
 *
 * @param EventHandle A handle to the event object.
 * @return NTSTATUS Successful or errant status.
 */
NTSYSCALLAPI
NTSTATUS
NTAPI
NtClearEvent(
    _In_ HANDLE EventHandle
    );

#endif
#endif
View code on GitHub

#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwClearEvent(
    _In_ HANDLE EventHandle
    );

#endif
View code on GitHub

EventHandle

HANDLE to Event Object opened with EVENT_MODIFY_STATE attribute.

There're no functional difference between NtClearEvent and NtResetEvent, but the first works faster (see NtResetEvent).

Documented by

Tomasz Nowak

EventHandle

Documented by

See also