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Questions tagged [sigint]

On POSIX-compliant platforms, SIGINT is the signal sent to a process by its controlling terminal when a user wishes to interrupt the process.

On POSIX-compliant platforms, SIGINT is the signal sent to a process by its controlling terminal when a user wishes to interrupt the process.

Wikipedia: https://en.wikipedia.org/wiki/SIGINT_%28POSIX%29#SIGINT

369 questions
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Java Threads and Shutdown Hook

I've just run into an interesting issue. It seems that if, in Java, a thread calls System.exit() it cannot then be joined via Thread.join(). This is causing me issues as I want to use a shutdown hook to clean up after my application, such…
greydamian
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How can I use SIGINT to break out of the wait for accept() or read()?

I'm currently trying to break out of the wait for accept() and/or write() by using signals, in this case SIGINT. My the program doesn't leave either as expected. void sigHandler(int signal ){ printf(" Exit\n"); //x is global x = 1; …
nzondlo
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Stopping the inferior process in GDB WITHOUT a signal?

Is there a way to stop the inferior without using Ctrl+C (or an equivalent signal sent from another process?) I'm using a windows platform and am managing GDB from another process, so with no notion of signals, it seems that there isn't a good way…
Ryan
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How can I interrupt a blocking method in python?

Usually I can interrupt stuff with Ctrl+C, but sometimes when I'm using threads it doesn't work - example below. Python 2.7.1+ (r271:86832, Apr 11 2011, 18:13:53) [GCC 4.5.2] on linux2 Type "help", "copyright", "credits" or "license" for more…
wim
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KeyboardInterrupt with Python multiprocessing.Pool

I want to write a service that launches multiple workers that work infinitely and then quit when main process is Ctrl+C'd. However, I do not understand how to handle Ctrl+C correctly. I have a following testing code: import os import multiprocessing…
steam_engine
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nodejs forever detect SIGKILL or SIGINT event

I launch a nodejs program on server running Ubuntu 14.04.4 LTS (GNU/Linux 3.13.0-74-generic x86_64), using forever version v0.15.2. In my program (IoT1.js), I need to detect when it is killed (for another launch) so that I can write the last states…
quanguyen
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Sending SIGINT from within a MATLAB GUI

From within a MATLAB GUI application, I'm starting an external program (a console application on Windows) that takes care of reading data from a measurement system. The data is stored in several files that are processed by the MATLAB application as…
Atze Kaputtnik
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How can SIGINT can be raised by the system itself?

I know that a SIGINT signal can be raised by the user with Crtl + C or a kill command, but what needs to happen for the system to raise a SIGINT by itself? This question comes to my mind because my system just caught a SIGINT signal while using the…
James Worthy
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Python thread lock never gets released if Queue.get() is interrupted

I'm working in Python3.7 with multiple threads communicating with queues. If my program is interrupted or encounters an unexpected error, I would like it to fully cleanup and gracefully exit. However, I have noticed that on certain occasions, when…
Kevin Guo
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How do I stop Ctrl-C from killing spawned processes with jruby?

I have a ruby program, spawning new processes. I want these to survive their parent even when I press Ctrl-C. To accomplish this, I try to trap INT, However, this doesn't help. The program below starts an xeyes each time you press enter, quits if…
JenEriC
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How to access local variables while handling ctrl-C event?

I wondered if it is possible to access variables local to the function running at the time ctrl-C interrupts the flow. Example, where main() is running when ctrl-C is pressed: def main(myInfo): signal.signal(signal.SIGINT, KeyboardBreak) …
m100psi
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Python Send SIGINT Signal Subprocess On Windows

I have readed so many questions on stackoverflow but they are too old and not helpful for me. I have a subprocess and want to send CTRL_C_EVENT Signal to stop it. I don't want to kill it directly. Here is my code : import subprocess import…
sword1st
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Inhibit SIGINT for the process in group

I have a bash script, which start 2 processes: openocd ...flags... 2>openocd.log & arm-none-eabi-gdb When in gdb, interrupting execution with Ctrl+C causes openocd to receive SIGINT as well and, thus it stops. I've tried to trap and reissue SIGINT…
Peter V
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Temporarily ignore SIGINT in Python

I want to run a bunch of commands that take a while, but cannot be interrupted (firmware updates). I want to exit if a sigint was received earlier. I tried replacing signal.SIG_IGN with a class that counts each time a SIGINT was received, but after…
TaylorSanchez
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How to send "CTRL+C" to child process in Node.js?

I tried to spawn child process - vvp (https://linux.die.net/man/1/vvp). At the certain time, I need to send CTRL+C to that process. I am expecting that simulation will be interrupted and I get the interactive prompt. And after that I can continue…
Alexandr
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