Re: signal catching not working

> The code is supposed to catch two segment fault, but the second is
> always missing on my machine. Could anyone tell me why this code
> doesn't work as expected?
> [...]
> void sighandler(int a){
>     static int i=0;
>     longjmp(buf, ++i);
> }

I recommend to make this function implementation asynchronous-signal-safe.
https://www.securecoding.cert.org/confluence/display/seccode/SIG32-C.+Do+not+call+longjmp%28%29+from+inside+a+signal+handler

Regards,
Markus
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