Can not terminate a process using Ctrl+C

[RomanNikitenko]

Bug Description:

It was possible to terminate a task or some process in a terminal using Ctrl+C
But now it's not working

Steps to Reproduce:

1. Open some project
2. Open a terminal and try to build it
3. Try to terminate the build process by Ctrl+C

Another case:

1. Add the configuration to tasks.json file

        {
            "type": "shell",
            "label": "shell:test",
            "command": "sleep 40 && echo test shell task"
        }

2. Run the configuration from Terminal ---> Run Task menu
3. Go to the corresponding terminal and try to terminate the task using Ctrl+C

Expected behavior

Additional Information

• Operating System: Fedora 31
• Theia Version: bb43e9e

[akosyakov]

@RomanNikitenko on Windows?

[RomanNikitenko]

@akosyakov
I faced with the problem on linux

[akosyakov]

@RomanNikitenko yes, makes sense ctrl+c is copy on linux as well

I will close it as a dup of #7836