/*      $OpenBSD: pollretval.c,v 1.2 2021/12/26 13:32:05 bluhm Exp $    */

#include <stdio.h>
#include <poll.h>
#include <unistd.h>
#include <stdlib.h>
#include <err.h>

int
main(void)
{
        struct pollfd pfd[100];
        int i, r, r2 = 0;

        for (i = 0; i < 100; i++) {
            pfd[i].fd = 0;
            pfd[i].events = arc4random() % 0x177;
        }

        r = poll(pfd, 100, INFTIM);

        if (r == -1)
                errx(1, "poll failed unexpectedly");

        for (i = 0; i < 100; i++)
                if (pfd[i].revents)
                        r2++;
        if (r != r2)
                errx(1, "poll return value %d miscounts .revents %d", r, r2);

        return 0;
}