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Date:      Sat, 02 Aug 2003 16:46:15 -0600 (MDT)
From:      "M. Warner Losh" <imp@bsdimp.com>
To:        dillon@apollo.backplane.com
Cc:        drevil@warpcore.org
Subject:   Re: Assembly Syscall Question
Message-ID:  <20030802.164615.60951780.imp@bsdimp.com>
In-Reply-To: <200308022214.h72MEgrE015449@apollo.backplane.com>
References:  <20030731201227.28952.qmail@neuroflux.com> <1059859111.1532.0.camel@CPE-65-26-140-154.kc.rr.com> <200308022214.h72MEgrE015449@apollo.backplane.com>

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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



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