int equeue_sema_create(equeue_sema_t *s) {
osEventFlagsAttr_t attr;
memset(&attr, 0, sizeof(attr));
attr.cb_mem = &s->mem;
attr.cb_size = sizeof(s->mem);
s->id = osEventFlagsNew(&attr);
return !s->id ? -1 : 0;
}
// This is used to initialize the lock used by event loop even
// if it is not ran in a separate thread.
void ns_event_loop_init(void)
{
event_mutex_id = osMutexNew(&event_mutex_attr);
MBED_ASSERT(event_mutex_id != NULL);
// If a separate event loop thread is not used, the signaling
// happens via event flags instead of thread flags. This allows one to
// perform the initialization from any thread and removes need to know the id
// of event loop dispatch thread.
#if MBED_CONF_NANOSTACK_HAL_EVENT_LOOP_DISPATCH_FROM_APPLICATION
event_flag_id = osEventFlagsNew(&event_flags_attr);
MBED_ASSERT(event_flag_id != NULL);
#endif
}
