timeout = (infoPtr->flags & CONSOLE_ASYNC) ? 0 : INFINITE;
    if (WaitForSingleObject(threadInfo->readyEvent,timeout) == WAIT_TIMEOUT) {
	/*
	 * The writer thread is blocked waiting for a write to complete and
	 * the channel is in non-blocking mode.
	 */

	errno = EAGAIN;
	errno = EWOULDBLOCK;
	goto error;
    }

    /*
     * Check for a background error on the last write.
     */

	if (WaitForSingleObject(threadInfo->readyEvent,
		timeout) == WAIT_TIMEOUT) {
	    /*
	     * The reader thread is blocked waiting for data and the channel
	     * is in non-blocking mode.
	     */

	    errno = EAGAIN;
	    errno = EWOULDBLOCK;
	    return -1;
	}

	/*
	 * At this point, the two threads are synchronized, so it is safe to
	 * access shared state.
	 */