EngReleaseSemaphore function (winddi.h)

Article
02/22/2024

The EngReleaseSemaphore function releases the specified semaphore.

Syntax

ENGAPI VOID EngReleaseSemaphore(
  [in] HSEMAPHORE hsem
);

Parameters

[in] hsem

Handle to the semaphore to be released.

Return value

None

Remarks

EngReleaseSemaphore releases the semaphore's exclusive lock on a driver's resource and reenables the delivery of special kernel asynchronous procedure calls.

The lock and asynchronous procedure call suspension were acquired in a call to EngAcquireSemaphore.

Requirements

Requirement	Value
Minimum supported client	Available in Windows 2000 and later versions of the Windows operating systems.
Target Platform	Universal
Header	winddi.h (include Winddi.h)
Library	Win32k.lib
DLL	Win32k.sys