QNX 6.1.0 or later.
QNX 4.23A or later.
Linux 2.4 or later.
The SRR IPC kernel module, which includes a synchronous message passing library modeled on the QNX 4 send/receive/reply message-passing API. This module installs automatically, but requires a C compiler for the installation. You can get more information and/or download this module at the Cogent Web Site.
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