+/* $OpenBSD: pollretval.c,v 1.2 2021/12/26 13:32:05 bluhm Exp $ */
+
#include <stdio.h>
#include <poll.h>
#include <unistd.h>
#include <err.h>
int
-main()
+main(void)
{
- struct pollfd pfd[100];
- int i, r, r2 = 0;
+ struct pollfd pfd[100];
+ int i, r, r2 = 0;
- for (i = 0; i < 100; i++) {
- pfd[i].fd = 0;
- pfd[i].events = arc4random() % 0x177;
- }
+ 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++)
+ 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;
}