Top "Signals" questions

A signal is a notification to a process that an event occurred.

Fastest C++ Signal/Slot Lib without dependency

I am going to pass data up/down a 5-10 layered object using signals and slots. Which should result in …

c++ signals signals-slots
Getting the saved instruction pointer address from a signal handler

My question is somewhat different from others that have asked about fault addresses. I'm trying to implement a horrible hack …

c linux pthreads signals cancellation
PHP pcntl_signal callbacks are not called

This is the complete reproducible code. <?php class console{ public static function log($msg, $arr=array()){ $str = vsprintf($msg, $…

php signals posix pcntl
Android - How to scan Access Points and select strongest signal?

I am currently trying to write a class in Android that will Scan for access points, calculate which access point …

android signals wifi wifimanager network-scan
How to signal slots in a GUI from a different process?

Context: In Python a main thread spawns a 2nd process (using multiprocessing module) and then launches a GUI (using PyQt4). …

python pyqt multiprocessing signals pyside
How can I catch SIGINT in threading python program?

When using threading module and Thread() class, SIGINT (Ctrl+C in console) could not be catched. Why and what can …

python multithreading signals sigint
No backtrace from SIGABRT signal on ARM platform?

I'm using 'backtrce()' and 'backtrace_symbols_fd()' functions in a signal handler to generate a backtrace for debugging (…

c linux arm signals backtrace
Longjmp out of signal handler?

From the question: Is it good programming practice to use setjmp and longjmp in C? Two of the comments left …

c unix signals setjmp
Python - Handle CTRL+D with 'import signal'

I can currently handle CTRL+C via: def hand_inter(signum, frame): print 'hey, nice job.' signal.signal(signal.…

python exception-handling signals interrupt signal-handling
How to reliably unlink() a Unix domain socket in Go programming language

I have a Go program hosting a simple HTTP service on localhost:8080 so I can connect my public nginx host …

go signals unix-socket