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How to have msgsnd() block instead of returning EAGAIN when the sufficient space is unavailable in the queue?

Solution Unverified - Updated 2016-04-07T05:29:22+00:00 -

Issue

How to have msgsnd() block instead of returning EAGAIN when the sufficient space is unavailable in the queue?

Environment

Red Hat Enterprise Linux 5
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
glibc

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