Function lwp_pid_wait_for_empty

components/lwp/lwp_pid.c:94–107

* @brief Wait for an empty PID slot to become available * * @param[in] wait_flags Wait mode flags (RT_INTERRUPTIBLE, RT_KILLABLE or RT_UNINTERRUPTIBLE) * @param[in] to Timeout value in ticks (RT_WAITING_FOREVER for no timeout) * * @return int Error code (0 on success, negative on error) */

 * @return int Error code (0 on success, negative on error)
 */
int lwp_pid_wait_for_empty(int wait_flags, rt_tick_t to)
{
    int error;

    if (wait_flags == RT_INTERRUPTIBLE)
    {
        error = rt_wqueue_wait_interruptible(&_pid_emptyq, 0, to);
    }
    else
    {
        error = rt_wqueue_wait_killable(&_pid_emptyq, 0, to);
    }
    return error;
}

/**
 * @brief Acquire the PID management mutex lock