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+@c
+@c COPYRIGHT (c) 1988-2002.
+@c On-Line Applications Research Corporation (OAR).
+@c All rights reserved.
+@c
+@c $Id$
+@c
+
+@chapter Status of Implementation
+
+This chapter provides an overview of the status of the implementation
+of the POSIX API for RTEMS.  The @i{POSIX 1003.1b Compliance Guide}
+provides more detailed information regarding the implementation of
+each of the numerous functions, constants, and macros specified by
+the POSIX 1003.1b standard.
+
+RTEMS supports many of the process and user/group oriented services
+in a "single user/single process" manner.  This means that although
+these services may be of limited usefulness or functionality, they
+are provided and do work in a coherent manner.  This is significant
+when porting existing code from UNIX to RTEMS.
+
+@itemize @bullet
+@item Implementation
+@itemize @bullet
+@item The current implementation of @code{dup()} is insufficient.
+@item FIFOs @code{mkfifo()} are not currently implemented.
+@item Asynchronous IO is not implemented.
+@item The @code{flockfile()} family is not implemented
+@item getc/putc unlocked family is not implemented
+@item Shared Memory is not implemented
+@item Mapped Memory is not implemented
+@item NOTES:
+@itemize @bullet
+@item For Shared Memory and Mapped Memory services, it is unclear what
+level of support is appropriate and possible for RTEMS.
+@end itemize
+@end itemize
+
+
+@item Functional Testing
+@itemize @bullet
+@item Tests for unimplemented services
+@end itemize
+
+@item Performance Testing
+@itemize @bullet
+@item There are no POSIX Performance Tests.
+@end itemize
+
+@item Documentation
+@itemize @bullet
+@item Many of the service description pages are not complete in this
+manual.  These need to be completed and information added to the
+background and operations sections.
+@item Example programs (not just tests) would be very nice.
+@end itemize
+
+@end itemize
+
+