Maximum size of message queue

QNX DEVELOPERS Realtime and Embedded
1

what is the maximum size we can set for message queue in qnx?

2

Rahul,

There aren’t any sizes to message queue’s in QNX. The native Send-Receive-Reply model is size 1.

Or are you refering to the posix Mqueue? In that case it’s probably only limited by the Mqueue posix spec or the amount of Ram you have.

Tim