Unclear error message when attempting to use GciUserActionShutdown incorrectly
If you attempt to use a GemBuilder for C function during
GciUserActionShutdown, you will receive the following error message:
A GCI operation was requested before the current nonblocking call
It should be noted that GemBuilder for C should not be called from
GciUserActionShutdown (see the GemBuilder for C manual for more
information on this function). However, if it is, you will receive
the above message.