RTEMS Ada User's Guide
The rtems.port_create directive creates a port into a DPMA
with the user-defined name. The user specifies the association
between internal and external representations for the port being
created. RTEMS allocates a Dual-Ported Memory Control Block
(DPCB) from the DPCB free list to maintain the newly created
DPMA. RTEMS also generates a unique dual-ported memory port ID
which is returned to the calling task. RTEMS does not
initialize the dual-ported memory area or access any memory
within it.
RTEMS Ada User's Guide
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