Function cbm_ui_log_init

src/ui/http_server.c:373–389

Safe for concurrent callers: only publishes INITED after cbm_mutex_init() * has completed. Callers that lose the CAS race spin until init finishes. */

/* Safe for concurrent callers: only publishes INITED after cbm_mutex_init()
 * has completed. Callers that lose the CAS race spin until init finishes. */
void cbm_ui_log_init(void) {
    int state = atomic_load(&g_log_mutex_init);
    if (state == CBM_LOG_MUTEX_INITED)
        return;

    state = CBM_LOG_MUTEX_UNINIT;
    if (atomic_compare_exchange_strong(&g_log_mutex_init, &state, CBM_LOG_MUTEX_INITING)) {
        cbm_mutex_init(&g_log_mutex);
        atomic_store(&g_log_mutex_init, CBM_LOG_MUTEX_INITED);
        return;
    }

    /* Another thread is initializing — spin until done */
    while (atomic_load(&g_log_mutex_init) != CBM_LOG_MUTEX_INITED) {
        cbm_usleep(1000); /* 1ms */
    }
}

/* Called from a log hook — appends a line to the ring buffer (thread-safe) */
void cbm_ui_log_append(const char *line) {