Re: [HACKERS] mmap and MAP_ANON

From: Hannu Krosing <hannu(at)trust(dot)ee>
To: pgsql-hackers(at)hub(dot)org
Cc: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
Subject: Re: [HACKERS] mmap and MAP_ANON
Date: 1998-05-12 10:19:26
Message-ID: 3558222E.934AE23F@trust.ee
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ocie(at)paracel(dot)com wrote:
>
> Bruce Momjian wrote:
> >
> > Would people tell me what platforms do NOT support the MAP_ANON flag to
> > the mmap() system call? You should find it in the mmap() manual page.
>
> Doesn't seem to appear in Linux (2.0.30 kernel). As another poster
> commented, /dev/zero can be mapped for anonymous memory.

although 'man mmap' does not say it, it is present in sys/mman.h on
linux (at least 2.0.33)

it is NOT present in Solaris x86 v.2.6

it is NOT present in SINIX v5.42 (UNIX(r) System V Release 4.1)

--------------
Hannu Krosing

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