Function dlmodule_exec

components/libc/posix/libdl/dlmodule.c:566–603

* @brief load a dynamic module, and create a thread to excute the module main function. * * @param pgname path of the module to be loaded. * @param cmd the command string (with commandline options) for startup module. * @param cmd_size the command's length. * @return struct rt_dlmodule* On success, it returns a pointer to the module object. otherwise, RT_NULL is returned. */

 * @return struct rt_dlmodule* On success, it returns a pointer to the module object. otherwise, RT_NULL is returned.
 */
struct rt_dlmodule* dlmodule_exec(const char* pgname, const char* cmd, int cmd_size)
{
    struct rt_dlmodule *module = RT_NULL;

    module = dlmodule_load(pgname);
    if (module)
    {
        if (module->entry_addr)
        {
            /* exec this module */
            rt_thread_t tid;

            module->cmd_line = rt_strdup(cmd);

            /* check stack size and priority */
            if (module->priority > RT_THREAD_PRIORITY_MAX) module->priority = RT_THREAD_PRIORITY_MAX - 1;
            if (module->stack_size < 2048 || module->stack_size > (1024 * 32)) module->stack_size = 2048;

            tid = rt_thread_create(module->parent.name, _dlmodule_thread_entry, (void*)module,
                module->stack_size, module->priority, 10);
            if (tid)
            {
                tid->parent.module_id= module;
                module->main_thread = tid;

                rt_thread_startup(tid);
            }
            else
            {
                /* destory dl module */
                dlmodule_destroy(module);
                module = RT_NULL;
            }
        }
    }

    return module;
}

#if defined(RT_USING_CUSTOM_DLMODULE)
struct rt_dlmodule* dlmodule_load_custom(const char* filename, struct rt_dlmodule_ops* ops)