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[ mattn/cagliostr ] fix: make SIGINT handler async-signal-safe The signal handler locked a mutex, dumped JSON and called ws->send directly, none of which are async-signal-safe and can deadlock if the signal interrupts the loop thread mid-allocation. Reduce the handler to a single sig_atomic_t flag write and perform the graceful shutdown (notice + app close) from a 200ms poll timer running on the loop thread.
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fix: make SIGINT handler async-signal-safe · mattn/cagliostr@5d21828
The signal handler locked a mutex, dumped JSON and called ws->send directly, none of which are async-signal-safe and can deadlock if the signal ...
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