How to send SIGINT to a Popen() function

Question

How do I interrupt a process started from C++ with the popen call — how do I send it a SIGINT? Here is the popen call:

FILE* pipe = popen("vlc", "r");

I would like to close vlc when I want with an interrupt signal.

a similar problem has already been adressed here: http://stackoverflow.com/questions/548063/kill-a-process-started-with-popen — Hayt, Aug 29 '16 at 14:08
Look at http://stackoverflow.com/questions/548063/kill-a-process-started-with-popen. — Timur Kukharskiy, Aug 29 '16 at 14:34

score 0 · Answer 1 · answered Aug 29 '16 at 14:29

Why not implement your own signal handler and do a pclose on the opened pipe? That should send sigpipe to VLC. popen is really a bad way to fork the process. you get no PID out of it. There are a lot of implementations floating around that do the same thing using fork and that return also a PID. Ask back if you can't find any.

How to send SIGINT to a Popen() function

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