PROBE::SIGNAL.SEND(3stap)

💌 PROBE::SIGNAL.SEND(3stap) — Signal Tapset

okay bestie, come get your signal probe 💖 this one's a page from the Signal Tapset (that's the manual name, we're being official today ✨)

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🌸 NAME

probe::signal.send — literally the moment a signal is being sent to a process 🫶

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✨ SYNOPSIS

probe signal.send {}

that's it. that's the whole vibe check. no args, no nothing, she just shows up 💅

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🎀 VALUES

okay so here's everything you get to peek at inside this probe, and ngl it's a whole buffet 🍓

• sinfo — the address of the siginfo struct. like, where the info about this signal is actually chillin' in memory.
• sig_pid — the PID of the process receiving the signal. the one getting the notification, not the sender 👑
• name — the name of the function that was used to send out the signal.
• sig_name — a string representation of the signal. the pretty version, the one you can actually read 🦋
• send2queue — indicates whether the signal is sent to an existing sigqueue. > ⚠️ heads up: this one is deprecated in SystemTap 2.1. still here, still listed, but she's retired, no cap 💀
• si_code — indicates the signal type.
• shared — indicates whether the signal is shared by the thread group. group chat energy fr fr 🌈
• pid_name — the name of the signal recipient.
• task — a task handle to the signal recipient. your little pointer to the whole situation 🙈
• sig — the number of the signal. the raw digits, the main character number itself ⭐

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💜 CONTEXT

the signal's sender. that's the context, that's who we're watching. periodt 💅

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👑 SEE ALSO

• tapset::signal(3stap)

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that's the whole page bestie, go forth and probe responsibly 🧚✨

SystemTap Tapset Reference, Ver, September 2026 — mwah, xoxo, catch you in the next manpage 💖🎀🌸