[Python-Dev] Signals, threads, blocking C functions

Adam Olsen rhamph at gmail.com
Sat Sep 9 06:59:48 CEST 2006

On 9/8/06, Adam Olsen <rhamph at gmail.com> wrote:
> Ensuring modifications to that array are atomic would be tricky, but I
> think it would be doable if we use a read-copy-update approach (with
> two alternating signal handler functions).  Not sure how to ensure
> there's no currently running signal handlers in another thread though.
>  Maybe have to rip the atomic read/write stuff out of the Linux
> sources to ensure it's *always* defined behavior.

Doh, except that's exactly what sig_atomic_t is for.  Ah well, can't
win them all.

Adam Olsen, aka Rhamphoryncus

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