FD_ISSET 1451 main/fastcgi.c if (ret > 0 && FD_ISSET(req->fd, &set)) { FD_ISSET 208 main/php_network.h # define PHP_SAFE_FD_ISSET(fd, set) FD_ISSET(fd, set) FD_ISSET 213 main/php_network.h # define PHP_SAFE_FD_ISSET(fd, set) ((fd < FD_SETSIZE) && FD_ISSET(fd, set)) FD_ISSET 120 sapi/fpm/fpm/events/select.c if (FD_ISSET(q->ev->fd, ¤t_fds)) { FD_ISSET 151 sapi/fpm/fpm/events/select.c if (!FD_ISSET(ev->fd, &fds)) { FD_ISSET 166 sapi/fpm/fpm/events/select.c if (FD_ISSET(ev->fd, &fds)) { FD_ISSET 49 win32/select.c #define SAFE_FD_ISSET(fd, set) (set != NULL && FD_ISSET(fd, set))