Solve Your Dsdrv.dll Errors

The file dsdrv.dll serves as part of the language and port monitor for Windows NT 32 operating system. The language monitor has two functions ReadPort and WritePort. These set of operations are defined in the Windows System Development Kit (SDK) documentation.

The file dsdrv.dll helps ReadPort to obtain data from the kernel-mode driver and flashes the said data on the computer screen. It must be remembered that the file dsdrv.dll enables ReadPort to function solely for internal use of the language monitor. This kind of operation is executed when the port monitor sends data back to the language monitor.

The language monitor will then parse the received data to send status information to the spooler. Windows SDK defines this kind of function as SetPort.

After SetPort is executed the file dsdrv.dll along with other component DLLs like pjlmon.dll will create a separate thread to enable ReadPort to monitor unsolicited information or data and return the number of bytes successfully read by the language monitor.

This is done when the operation pcbRead places the number of pointed location to the language monitor. A zero byte count returned by the file dsdrv.dll does not necessarily mean a failed read unless the file dsdrv.dll renders and returns the data as “false.”

The dsdrv.dll module is also needed to define the Writeport function. Usually a language monitor’s WritePort function supplies language-specific commands to the data stream contained in the buffer named pBuffer. PBuffer then submits the modified data stream to WritePort.

The language monitor spooler then determines the success or failure of the writing operation by checking the return value of WritePort instead of the returned byte count.

It must also be remembered that there are system-implemented or monitor-implemented time-out mechanisms that must ensure that the WritePort function will return within a reasonable amount of time in order to avoid stalling the spooler.

Dsdrv.dll is created by:
Microsoft Corporation
Microsoft Support Site

Known file path:
C:\ Windows\ System32\ dsdrv.dll

What is a DLL?

Your operating system comes pre-installed with Microsoft DLL’s and most third party programs also install DLL’s.

DLL (Dynamic Link Library) is Microsoft’s implementation of the shared library concept. Meaning there’s a DLL library on your computer and each DLL can be shared among different Microsoft and third party programs. This shared library method helps your computer run faster by having fewer operations running at the same time.

When a DLL is missing or corrupt it may show an error message and programs may fail or crash.

Because DLL’s are shared, one missing or corrupt DLL may affect multiple programs on your computer.


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