I currently have a pretty simple single-threaded code base. I'm using
libev with a variety of watchers -- several io watchers, a few asyncs,
and a few periodics. I am also using signal watchers.
SEGV does not get handled in a way that I would expect, so I wrote a
little test for it.
I'm probably missing something obvious, or doing something wrong.
I only want to catch SEGV to produce some debug output, and yes, I
understand that I may be dealing with heap corruption, etc.
I can revert to using sigaction directly, I guess.
#include <ev.h>
#include <stdio.h>
void catchf(struct ev_loop* loop, ev_signal* w, int r) {
ev_unloop(ev_default_loop(0), EVUNLOOP_ALL);
printf("caught SEGV\n");
}
int main(int argc, char** argv) {
ev_signal catcher;
ev_signal_init(&catcher, catchf, SIGSEGV);
ev_signal_start(ev_default_loop(0), &catcher);
int* f = (int*)0x0;
*f = 9;
ev_loop(ev_default_loop(0), 0);
printf("loop exited\n");
return 0;
}
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