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CDT Makefile Build kills background processes [message #1770842]

Thu, 17 August 2017 14:14

Gunter Königsmann

Messages: 2
Registered: August 2017

Junior Member

Dear all,

I have automated a recurring task using make:

In the Eclipse project the user double-clicks on the make target named "foo"
make sets up and starts the program "foo" which immediately returns, but creates a process that opens the window the user wants to work in
on some computer eclipse automatically kill the process that shows the window as soon as "foo" returns. On others the window stays open and the user can work with the window

I assume one of the preference dialogue items is the answer and I assume the answer to be obvious as soon as it has been found. What I can tell is:

From cmd.exe a "make foo" returns to the prompt and opens the window fine
The whole thing happens on a windows system
and the Problem occurs using Eclipse Oxygen.

Can it be that Eclipse opens a windows console and closes it again once it believes that the build process has finished thus killing all processes that have been created during the build?

And how can I avoid the problem?

Thanks in advance,

Gunter.

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Re: CDT Makefile Build kills background processes [message #1770888 is a reply to message #1770842]

Fri, 18 August 2017 12:24

Jonah Graham

Messages: 416
Registered: June 2014

Senior Member

Hi Gunter,

It is not Eclipse that is terminating your background process, but rather make itself quitting. I can't remember the full set of rules of exactly when a sub process is terminated. What you need to do is start the subprocess and have it disconnect from the parent process, including the parent processes stdin/stdout.

I don't have a full answer, but have a look at this Q&A to see if it directs you down the right avenue: https://superuser.com/questions/1069972/windows-run-process-on-background-after-closing-cmd

Jonah

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Re: CDT Makefile Build kills background processes [message #1795810 is a reply to message #1770888]

Sat, 29 September 2018 10:42

Andre Zeps

Messages: 2
Registered: September 2018

Junior Member

Hello Eclipse community,

I'm new to this forum and use Eclipse for private and business software development.
Recently I've stumbled upon the same issue Gunter had but on Linux.

I hope it's ok to revive this thread as my problem is exactly the same and there doesn't seems to be a similar related thread.

It's my goal to execute a bash script to stay in background without eclipse wanting to close it.

I've tried setsid, nohup, and &.
It's seems to be impossible to pull this off, without eclipse still wanting to exit the background process.

Greetings
Slamy

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