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How to reset running program? [message #1749361]

Mon, 05 December 2016 20:05

Anne Creek

Messages: 275
Registered: September 2014

Senior Member

I have a simple test program, runs fine and terminates as far as I can tell.
But when I try to "run" it again I get a message " my program ( already running)".
About the only way I can restart it is to change something, than "Build All" , than I can do "Run" again.

int main( int argc, char* argv[])
{
cout << "!!!Hello World!!!" << endl; // prints !!!Hello World!!!

int value = 50;
int value2 = 0;
// namedWindow("main1",WINDOW_AUTOSIZE | WINDOW_OPENGL);
namedWindow("main2",WINDOW_OPENGL);
namedWindow("main3",WINDOW_AUTOSIZE);
waitKey(0);
destroyAllWindows();
//help();
return (0);
}

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Re: How to reset running program? [message #1749363 is a reply to message #1749361]

Mon, 05 December 2016 20:53

Jonah Graham

Messages: 416
Registered: June 2014

Senior Member

Where do you get the message already running from? Is it an error or a hover over the run (or debug) button like this:

index.php/fa/27788/0/

If it is like that screenshot it means you have not terminated your last run/debug session. It is not an error, just a reminder that you still have it running. It is not an error because you can run the same program multiple times if you want to.

So you should terminate the program first (press the red square in the toolbar or on the console view):

index.php/fa/27787/0/

Attachment: terminate.png
(Size: 4.99KB, Downloaded 731 times)
Attachment: alreadyrunning.png
(Size: 14.00KB, Downloaded 754 times)

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Re: How to reset running program? [message #1749366 is a reply to message #1749363]

Mon, 05 December 2016 21:00

Anne Creek

Messages: 275
Registered: September 2014

Senior Member

It is a "tool tip" style message when I position mouse over "Run".
Were should I see this "red button" to terminate the run?
Sorry, just noted I should look at console view / output. Will try that.

My test program is designed to terminate / return when I press any key on keyboard.

[Updated on: Mon, 05 December 2016 21:02]

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Re: How to reset running program? [message #1749370 is a reply to message #1749366]

Mon, 05 December 2016 21:59

Jonah Graham

Messages: 416
Registered: June 2014

Senior Member

Glad you made some progress.

Quote:

My test program is designed to terminate / return when I press any key on keyboard.

OK, I guess you have identified an issue here. Is waitKey listening on stdin or on a key pressed in a window. If it is on stdin then you should note that the console view in Eclipse is a line-buffered console. Nothing is sent to the program until Enter is pressed.

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