From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: To: 9fans@cse.psu.edu Subject: Re: [9fans] Ephase question. From: David Gordon Hogan MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Tue, 13 Aug 2002 07:43:45 -0400 Topicbox-Message-UUID: db9371ba-eaca-11e9-9e20-41e7f4b1d025 > On freebsd and Linux, exec happens via an mmap (more or less). Possibly > the behavioural difference you saw between binary and normal file was due > to how the kernels handle mmap for exec vs. file I/O, not due to it being > a binary vs. normal file. So [gigantic leap here], not only does Linux have ~250 system calls, but most of them can be emulated with mmap?