[fpc-pascal] CrossPlatform problem, INFINITE not defined on Linux

Michael Van Canneyt michael at freepascal.org
Sun Jul 19 17:51:59 CEST 2020



On Sun, 19 Jul 2020, Bo Berglund via fpc-pascal wrote:

> On Sun, 19 Jul 2020 08:46:14 +0200 (CEST), Michael Van Canneyt
> <michael at freepascal.org> wrote:
>
>> Various RunCommand procedures in process unit:
>> https://www.freepascal.org/docs-html/current/fcl/process/runcommand.html
>>
>
> But it looks like it hangs around until the started process exits...
> How can I set a timeout on the execution (don't want the whole system
> to hang if this external program does not exit)?
>
> And if I just want to start a process but not wait for it to exit?

Use TProcess.

https://www.freepascal.org/docs-html/current/fcl/process/tprocess.html

do NOT specify poWaitOnExit in the options, and simply call Execute. 
It will return at once.

Michael.


More information about the fpc-pascal mailing list