File Content Extraction 25.4
Filter SDK C Programming Guide

# fpSetTimeout()

(Out-of-process only) This function specifies the length of time that should elapse before assuming that the filtering process has stopped responding.

## Syntax

    BOOL pascal fpSetTimeout( KVFilterSession session, long lTimeout );

## Arguments

`session` | A Filter session that you initialized by calling fpInit().
`lTimeout` | The length of time that must elapse before assuming that the filtering process has stopped responding. By default this value is in seconds. You can change this unit to milliseconds by setting `KvoopTimeOutUnit=millisecond` in the `[FilterSDK_Config]` section of the `formats.ini` file.

## Discussion

The default timeout is six minutes.

File Content Extraction shuts down the out-of-process process when the timeout is reached. The next operation you perform on the session might take longer than usual because a new out-of-process process is set up to service the request.

## Returns

- If the call is successful, the return value is `TRUE`.
- If the call is unsuccessful, the return value is `FALSE`.

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Version 25.4 | Last updated October 2025

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Product: File Content Extraction 25.4

Topic Title: fpSetTimeout()