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Randy Brukardt <[log in to unmask]>
Thu, 28 Jun 2001 12:55:42 -0500
text/plain (17 lines)
> Hi All,
> Can someone confirm that it is still implementation defined whether I/O
> operations (Put, Get, 'Write, 'Read) are atomic, blocking, or subject to
> Priority_Ceiling.  In quick review of the manual & rational, I found the
> following:


You forgot 9.5.1(18): IO subprograms are "potentially blocking". (And thus
cannot be called from a protected object.) Thus, the question about
Priority_Ceiling is moot.

Of course, that doesn't say whether they REALLY are blocking.

                Randy Brukardt.