Get the attributes of a message queue
#include <sys/dcmd_misc.h> #define DCMD_MISC_MQGETATTR __DIOF(_DCMD_MISC, 1, struct mq_attr)
| Argument | Value |
|---|---|
| filedes | A message-queue descriptor (of type mqd_t) that you obtained by opening the queue. |
| dcmd | DCMD_MISC_MQGETATTR |
| dev_data_ptr | A pointer to a struct mq_attr |
| n_bytes | sizeof(struct mq_attr) |
| dev_info_ptr | NULL |
This command gets the attributes for a message queue. For more information, see mq_gettattr() in the QNX Neutrino C Library Reference
None.
The attributes of the message queue.