1 /* Public domain. */
2 
3 #include <sys/types.h>
4 #include <fcntl.h>
5 #include <poll.h>
6 
main()7 int main()
8 {
9   struct pollfd x;
10 
11   x.fd = open("trypoll.c",O_RDONLY);
12   if (x.fd == -1) _exit(111);
13   x.events = POLLIN;
14   if (poll(&x,1,10) == -1) _exit(1);
15   if (x.revents != POLLIN) _exit(1);
16 
17   /* XXX: try to detect and avoid poll() imitation libraries */
18 
19   _exit(0);
20 }
21