current PID: [ 12950 ]

    sigsetjmp() == 0



^C
    signal_catcher() started.
        signal from (user/kernel): kernel
        signal number:       2
    handler returned



[resizing terminal emulator]
    signal_catcher() started.
        signal from (user/kernel): kernel
        signal number:       20
    handler returned



[kill(1)ing from another shell]
    signal_catcher() started.
        signal from (user/kernel): user
        signal generated via: kill() or alike
        signal number:       11
        sender uid:          8992
        sender pid:          12866
        error (errno) was:   0
        si_code:             0
        si_syscall:          0
    handler returned