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Thinking I could clean up my files in a SIGINT handler (sopuli.xyz)
submitted 2 years ago by bleistift2@sopuli.xyz to c/programmer_humor@programming.dev
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[-] bleistift2@sopuli.xyz 4 points 2 years ago

When I run the script myself and kill it, it gets the signal and acts correctly. Only when I poweroff the system, this doesn’t work.

[-] nous@programming.dev 6 points 2 years ago

SIGINT is sent when you press Ctrl+C. SIGTERM is sent in just about every other situation - basically when the system wants the program to end. For instance when systemd wants to stop the service or the default signal with programs like kill pkill htop etc. You should catch both of these signals.

[-] bleistift2@sopuli.xyz 2 points 2 years ago

I did try to catch all of these signals:

                | "SIGABRT"
                | "SIGALRM"
                | "SIGBUS"
                | "SIGCHLD"
                | "SIGCONT"
                | "SIGFPE"
                | "SIGHUP"
                | "SIGILL"
                | "SIGINT"
                | "SIGIO"
                | "SIGIOT"
                | "SIGKILL"
                | "SIGPIPE"
                | "SIGPOLL"
                | "SIGPROF"
                | "SIGPWR"
                | "SIGQUIT"
                | "SIGSEGV"
                | "SIGSTKFLT"
                | "SIGSTOP"
                | "SIGSYS"
                | "SIGTERM"
                | "SIGTRAP"
                | "SIGTSTP"
                | "SIGTTIN"
                | "SIGTTOU"
                | "SIGUNUSED"
                | "SIGURG"
                | "SIGUSR1"
                | "SIGUSR2"
                | "SIGVTALRM"
                | "SIGWINCH"
                | "SIGXCPU"
                | "SIGXFSZ"
                | "SIGBREAK"
                | "SIGLOST"
                | "SIGINFO";
[-] phoenixz@lemmy.ca 1 points 2 years ago

Good luck trapping the SIGKILL signal

this post was submitted on 25 Dec 2024
369 points (99.2% liked)

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