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NF:synchapi.ResetEvent

ResetEvent function (synchapi.h)

Sets the specified event object to the nonsignaled state.

ResetEvent

ResetEvent function

_win32_resetevent

base.resetevent

synchapi/ResetEvent

winbase/ResetEvent

base\resetevent.htm

base

bba7caab-d1ed-4261-aeca-49f847458f4c

12/05/2018

ResetEvent, ResetEvent function, _win32_resetevent, base.resetevent, synchapi/ResetEvent, winbase/ResetEvent

synchapi.h

Windows.h on Windows Server 2003, Windows Vista, Windows 7, Windows Server 2008 Windows Server 2008 R2

Windows

Windows XP [desktop apps \| UWP apps]

Windows Server 2003 [desktop apps \| UWP apps]

Kernel32.lib

Kernel32.dll

Windows

19H1

ResetEvent

synchapi/ResetEvent

c++

APIRef

kbSyntax

DllExport

Kernel32.dll

API-MS-Win-Core-Synch-l1-1-0.dll

KernelBase.dll

API-MS-Win-Core-Synch-l1-2-0.dll

API-MS-Win-Core-Synch-l1-2-1.dll

API-MS-Win-DownLevel-Kernel32-l1-1-0.dll

MinKernelBase.dll

ResetEvent

ResetEvent function

-description

Sets the specified event object to the nonsignaled state.

-parameters

-param hEvent [in]

A handle to the event object. The CreateEvent or OpenEvent function returns this handle.

The handle must have the EVENT_MODIFY_STATE access right. For more information, see Synchronization Object Security and Access Rights.

-returns

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

-remarks

The state of an event object remains nonsignaled until it is explicitly set to signaled by the SetEvent or PulseEvent function. This nonsignaled state blocks the execution of any threads that have specified the event object in a call to one of the wait functions.

The ResetEvent function is used primarily for manual-reset event objects, which must be set explicitly to the nonsignaled state. Auto-reset event objects automatically change from signaled to nonsignaled after a single waiting thread is released.