trypoll.c

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