yocto/esp32mod/msgq.h


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typedef struct MSGQueue {
    uint16_t idx_r;
    uint16_t idx_w;
    uint16_t size;
    unsigned char **array;
    spinlock_t lock;
    wait_queue_head_t wq;
} MSGQueue;

int msgq_create(MSGQueue *msgq, uint16_t size);
void msgq_destroy(MSGQueue *msgq);
uint16_t msgq_len(MSGQueue *msgq);
uint16_t msgq_size(MSGQueue *msgq);
int msgq_push(MSGQueue *msgq, unsigned char *buffer);
unsigned char *msgq_pop(MSGQueue *msgq);