Function lwp_pid_for_each

components/lwp/lwp_pid.c:177–191

* @brief Iterate over all process IDs * * @param[in] cb Callback function to execute for each PID * @param[in] data User-provided context data * * @return int Error code (0 on success, negative on error) */

 * @return int Error code (0 on success, negative on error)
 */
int lwp_pid_for_each(int (*cb)(pid_t pid, void *data), void *data)
{
    int error;
    struct pid_foreach_param buf =
    {
        .cb = cb,
        .data = data,
    };

    lwp_pid_lock_take();
    error = lwp_avl_traversal(lwp_pid_root, _before_cb, &buf);
    lwp_pid_lock_release();

    return error;
}

/**
 * @brief Get the PID array