mq_attr

Overview

Related Modules:

IPC

Description:

Describes message queue attributes.

Summary

Data Fields

Variable Name

Description

mq_flags

long 

mq_maxmsg

long 

mq_msgsize

long 

mq_curmsgs

long 

__unused [4]

long 

Details

Field Documentation

__unused

  1. long mq_attr::__unused[4]

Description:

A reserved field

mq_curmsgs

  1. long mq_attr::mq_curmsgs

Description:

Number of messages currently queued

mq_flags

  1. long mq_attr::mq_flags

Description:

Message queue flags: 0 or O_NONBLOCK

mq_maxmsg

  1. long mq_attr::mq_maxmsg

Description:

Maximum number of messages on queue

mq_msgsize

  1. long mq_attr::mq_msgsize

Description:

Maximum length of a message