func mq_send(q mqd_t, data []byte, priority int) error {
errno := C.mq_send(C.mqd_t(q), (*C.char)(unsafe.Pointer(&data[0])), C.size_t(len(data)), C.uint(priority))
if errno < 0 {
return fmt.Errorf("some error")
}
return nil
}
func mq_receive(q mqd_t) ([]byte, int, error) {
attr, err := mq_getattr(q)
if err != nil {
return nil, 0, err
}
data := make([]byte, attr.mq_msgsize)
var priority C.uint
sz, err := C.mq_receive(C.mqd_t(q), (*C.char)(unsafe.Pointer(&data[0])), C.size_t(attr.mq_msgsize), &priority)
if sz < 0 {
return nil, 0, err
}
return data[:sz], int(priority), nil
}
func mq_getattr(q mqd_t) (mq_attr, error) {
var attr mq_attr
var cattr C.struct_mq_attr
res, err := C.mq_getattr(C.mqd_t(q), &cattr)
if res < 0 {
return attr, err
}
attr.mq_flags = int(cattr.mq_flags)
attr.mq_maxmsg = int(cattr.mq_maxmsg)
attr.mq_msgsize = int(cattr.mq_msgsize)
attr.mq_curmsgs = int(cattr.mq_curmsgs)
return attr, nil
}
func mq_close(q mqd_t) {
C.mq_close(C.mqd_t(q))
}