Limitation of shared memory.

A shared memory whose size is 16M bytes. Will it work OK?

Sure.

QNX4.24?

In the amount of time you have waited for an answer, you could have easily written a 15 minute test program to prove it one way or the other.

Rick…

You should either post this into the QNX 4 forum, or at least mention “QNX 4.24” in your original post.