Unix System Programming Overview Outline What is a Signal? Signal Types (31 in POSIX) Signal Sources
![My CS professor told us to print something when our program receives the SIGUSR1 signal. He didn't tell us what to print. ;) : r/ProgrammerHumor My CS professor told us to print something when our program receives the SIGUSR1 signal. He didn't tell us what to print. ;) : r/ProgrammerHumor](https://preview.redd.it/b48694kfkqw01.jpg?auto=webp&s=fa27290cf6c3d5afa71d86e3b3b86b1c6981cdb9)
My CS professor told us to print something when our program receives the SIGUSR1 signal. He didn't tell us what to print. ;) : r/ProgrammerHumor
![SignalsSignals. What is a Signal? A signal is a notification that some event has occurred. Usually a signal is sent to a process asynchronously and whatever. - ppt download SignalsSignals. What is a Signal? A signal is a notification that some event has occurred. Usually a signal is sent to a process asynchronously and whatever. - ppt download](https://images.slideplayer.com/26/8820593/slides/slide_5.jpg)
SignalsSignals. What is a Signal? A signal is a notification that some event has occurred. Usually a signal is sent to a process asynchronously and whatever. - ppt download
![Using Signals SIGUSR1, SIGUSR2, SIGINT in C for General Purpose IPC with kill() system Call in Linux - YouTube Using Signals SIGUSR1, SIGUSR2, SIGINT in C for General Purpose IPC with kill() system Call in Linux - YouTube](https://i.ytimg.com/vi/IMIqfllQsB0/maxresdefault.jpg)