Top "Signals" questions

what does C/C++ handler SIGFPE?

well, I have searched the articles about SIGFPE ,then I wrote a few tests but it's behavoir is strange. Then …

c++ signals sigfpe

Importing a Flask-security instance into my views module breaks my webapp

I'm writing the sign up/sign in system for a ecommerce site, and using flask-security (http://pythonhosted.org/Flask-Security/) to …

python flask signals flask-security blinker

multiple signals for one slot

For my GUI i would like to have two pairs of buttons that scroll up and down a scrollarea. The …

qt signals sender slot

Linux C: upon receiving a signal, is it possible to know the PID of the sender?

Suppose my C program handles SIGUSR1. When it receives this signal, is it possible to know who sent it? I.…

c linux signals system ipc

PyQt QTreeView: Trying to connect to the selectionChanged signal

I am trying to connect to the selectionChanged signal of a QTreeView using PyQt. I have done this in the …

qt pyqt signals signals-slots qtreeview

Determine pid of terminated process

I'm trying to figure out what the pid is of a process that sent the SIGCHLD signal, and I want …

c signals waitpid

Python: What is the default handling of SIGTERM?

What does Python do under the covers by default if it receives a SIGTERM but there is no signal handler …

python signals sigterm

Qt send signal to different thread

I have searched SO for this question, but they were a bit different than mine. My problem is that I …

multithreading qt signals slot

send SIGINT to child process

I am trying to create a child process and then send SIGINT to the child without terminating the parent. I …

c++ linux signals sigint

How to block signals in C?

I'm trying to create a program that blocks the signal SIGUSR1 and the it unblocks the signal. In the middle …

c linux signals block sigprocmask