1 #ifndef _BLOCKDRIVER_MQ_H 2 #define _BLOCKDRIVER_MQ_H 3 4 void mq_init(void); 5 int mq_enqueue(device_id_t device_id, const message *mess, int 6 ipc_status); 7 int mq_dequeue(device_id_t device_id, message *mess, int *ipc_status); 8 int mq_isempty(device_id_t device_id); 9 10 #endif /* _BLOCKDRIVER_MQ_H */ 11