void
test_kevent_socket_lowat(void)
{
const char *test_id = "kevent(EVFILT_READ, NOTE_LOWAT)";
struct kevent kev;
test_begin(test_id);
/* Re-add the watch and make sure no events are pending */
puts("-- re-adding knote, setting low watermark to 2 bytes");
EV_SET(&kev, sockfd[0], EVFILT_READ, EV_ADD | EV_ONESHOT, NOTE_LOWAT, 2, &sockfd[0]);
if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
err(1, "%s", test_id);
test_no_kevents();
puts("-- checking that one byte does not trigger an event..");
kevent_socket_fill();
test_no_kevents();
puts("-- checking that two bytes triggers an event..");
kevent_socket_fill();
if (kevent(kqfd, NULL, 0, &kev, 1, NULL) != 1)
err(1, "%s", test_id);
KEV_CMP(kev, sockfd[0], EVFILT_READ, 0);
test_no_kevents();
kevent_socket_drain();
kevent_socket_drain();
success();
}
void
test_kevent_socket_lowat(struct test_context *ctx)
{
struct kevent kev;
test_begin(test_id);
/* Re-add the watch and make sure no events are pending */
puts("-- re-adding knote, setting low watermark to 2 bytes");
EV_SET(&kev, ctx->client_fd, EVFILT_READ, EV_ADD | EV_ONESHOT, NOTE_LOWAT, 2, &ctx->client_fd);
if (kevent(ctx->kqfd, &kev, 1, NULL, 0, NULL) < 0)
die("%s", test_id);
test_no_kevents();
puts("-- checking that one byte does not trigger an event..");
kevent_socket_fill(ctx);
test_no_kevents();
puts("-- checking that two bytes triggers an event..");
kevent_socket_fill(ctx);
if (kevent(ctx->kqfd, NULL, 0, &kev, 1, NULL) != 1)
die("%s", test_id);
KEV_CMP(kev, ctx->client_fd, EVFILT_READ, 0);
test_no_kevents();
kevent_socket_drain(ctx);
kevent_socket_drain(ctx);
}
