/*===================================
*
* 消息发送
*===================================*/
acoral_u32 acoral_msg_send(acoral_msgctr_t* msgctr, acoral_msg_t* msg)
{
acoral_sr cpu_sr;
/* if (acoral_intr_nesting > 0)
return MST_ERR_INTR;
*/
HAL_ENTER_CRITICAL();
acoral_spin_lock(&msgctr->spin_lock);
if (NULL == msgctr)
{
acoral_spin_unlock(&msgctr->spin_lock);
HAL_EXIT_CRITICAL();
return MST_ERR_NULL;
}
if (NULL == msg)
{
acoral_spin_unlock(&msgctr->spin_lock);
HAL_EXIT_CRITICAL();
return MSG_ERR_NULL;
}
/*----------------*/
/* 消息数限制*/
/*----------------*/
if (ACORAL_MESSAGE_MAX_COUNT <= msgctr->count)
{
acoral_spin_unlock(&msgctr->spin_lock);
HAL_EXIT_CRITICAL();
return MSG_ERR_COUNT;
}
/*----------------*/
/* 增加消息*/
/*----------------*/
msgctr->count++;
msg->ttl += acoral_get_ticks();
acoral_list_add2_tail(&msg->msglist, &msgctr->msglist);
/*----------------*/
/* 唤醒等待*/
/*----------------*/
if (msgctr->wait_thread_num > 0)
{
/* 此处将最高优先级唤醒*/
wake_up_thread(&msgctr->waiting);
msgctr->wait_thread_num--;
}
acoral_spin_unlock(&msgctr->spin_lock);
HAL_EXIT_CRITICAL();
acoral_sched();
return MSGCTR_SUCCED;
}
static BOOL WINAPI ctrl_handler(DWORD dwCtrlType) {
switch (dwCtrlType) {
case CTRL_C_EVENT: {
// The CtrlHandler runs in its own thread without stopping the main
// thread. Since in practice nobody uses the multi-VM stuff yet, we just
// grab the first VM we can get. This will not be a good idea when we
// actually support native threads.
FACTOR_ASSERT(thread_vms.size() == 1);
factor_vm* vm = thread_vms.begin()->second;
vm->enqueue_fep();
// Before leaving the ctrl_handler, try and wake up the main thread.
wake_up_thread(factor::boot_thread);
return TRUE;
}
default:
return FALSE;
}
}
