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To: dillon@apollo.backplane.com
From: "M. Warner Losh" <imp@bsdimp.com>
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Subject: Re: Assembly Syscall Question
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In message: <200308022214.h72MEgrE015449@apollo.backplane.com>
            Matthew Dillon <dillon@apollo.backplane.com> writes:
:     Additionally, the mechanism can
:     be extended to support chained system calls (i.e. issue several system
:     calls at once), and transactional sequences.

VMS has done this for a long time. :-) All of their system calls were
asynchronous.  The synchronous versions are done in userland by
calling async version plus wait.

Warner