Function sys_thread_find

components/lwp/lwp_syscall.c:6325–6354

* @brief Finds a thread by its name. * * This system call is used to search for a thread based on its name. It returns a reference to the * thread if found, otherwise it returns `RT_NULL`. The name comparison is case-sensitive. * * @param[in] name The name of the thread to search for. This should be a valid string that * uniquely identifies the thread within the system.

 * @see sys_thread_create(), sys_thread_delete()
 */
rt_thread_t sys_thread_find(char *name)
{
    int len = 0;
    char *kname = RT_NULL;
    rt_thread_t thread;

    len = lwp_user_strlen(name);
    if (len <= 0)
    {
        return RT_NULL;
    }

    kname = (char *)kmem_get(len + 1);
    if (!kname)
    {
        return RT_NULL;
    }

    if (lwp_get_from_user(kname, (void *)name, len + 1) != (len + 1))
    {
        kmem_put(kname);
        return RT_NULL;
    }

    thread = rt_thread_find(name);

    kmem_put(kname);

    return thread;
}

/**
 * @brief Gets the current system tick count.