You can longjmp out of a signal handler. | Hacker News

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saagarjha on Feb 1, 2025 | parent | context | favorite | on: Falsehoods programmers believe about null pointers

You can longjmp out of a signal handler.

fanf2 on Feb 1, 2025 | [–]

But that’s likely to be very unsafe, especially in a multithreaded program, or if it relies on stack unwinding for RAII.

heraclius1729 on Feb 1, 2025 | [–]

Oh! I didn't know that actually. That's useful information.

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