[Libevent-users] bug with 1.2

[Phil Oleson]

Niels,
	Have you been able to reproduce this yet?

	-Phil.


Phil Oleson wrote:
> Hey all,
> 
>     Yesterday morning I decided to update the freebsd port for
> libevent to 1.2 and send in a pr. Someone previously had bumped it up to
> the 1.2 preview release that Niels had kindly let us play with.
> Anyways.. afterwards I had the motivation to go work on a side project
> of mine that uses libevent.  Well it started failing with the new
> install.  I've stripped down a simple case that uses timers (which
> triggers the problem), from a larger program (attached).  Can I get
> others to try this out and see if they get invalid similar to this?
> 
> export -n NOKQUEUE
> ~/test> ./test-failure
> [warn] kevent: Invalid argument
> ~/test> export EVENT_NOKQUEUE=1
> ~/test> ./test-failure
> [warn] poll: Invalid argument
> ~/test> export EVENT_NOPOLL=1
> ~/test> ./test-failure
> [warn] select: Invalid argument
> 
> Thanks..
> 
>     -Phil.
> 
> 
> ------------------------------------------------------------------------
> 
> #include <stdio.h>
> #include <sys/time.h>
> #include <event.h>
> 
> #define OPT_USEC 125000
> 
> void
> iteration(int fd, short event, void *arg)
> {
>   struct event *tev = (struct event *)arg;
>   struct timeval start, end, nextloop, delay;
>   static struct timeval sleep_tv = { 0, OPT_USEC };
>   int i;
> 
>   /* figure out when the next iteration should trigger */
>   gettimeofday(&start, (struct timezone *) 0);
>   timeradd(&start, &sleep_tv, &nextloop);
> 
>   /* do something here */
>   for( i = 0; i < 10; ++i )
>     {
>        fprintf( stderr, "Test %d\n", i );
>     }
> 
>   /* subtract time it took to do the above from the sleep time */
>   gettimeofday(&end, (struct timezone *) 0);
>   timersub(&nextloop, &end, &delay);
> 
>   /* setup next iteration */
>   evtimer_add(tev, &delay);
> }
> 
> int
> main(int argc, char **argv)
> {
>   struct timeval tvt, sleep_tv = { 0, OPT_USEC };
>   struct event tev;
> 
>   /* setup the event system */
>   event_init();
> 
>   /* Setup the initial game_iteration pass */
>   gettimeofday(&tvt, (struct timezone *) 0);
>   timeradd(&tvt, &sleep_tv, &tvt);
> 
>   evtimer_set(&tev, iteration, &tev);
>   evtimer_add(&tev, &tvt);
> 
>   /* main control loop for the program */
>   event_dispatch();
> }
> 
> 
> ------------------------------------------------------------------------
> 
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