Set the attributes of a message queue
#include <sys/dcmd_misc.h> #define DCMD_MISC_MQSETATTR __DIOT(_DCMD_MISC, 2, struct mq_attr)
| Argument | Value |
|---|---|
| filedes | A message-queue descriptor (of type mqd_t) that you obtained by opening the queue. |
| dcmd | DCMD_MISC_MQSETATTR |
| dev_data_ptr | A pointer to a struct mq_attr |
| n_bytes | sizeof(struct mq_attr) |
| dev_info_ptr | NULL |
This command sets the attributes for a message queue. For more information, see mq_settattr() in the QNX Neutrino C Library Reference
The attributes that you want to set for the message queue.
None.