mmap() w/o MAP_ANON
Nicolas Williams
Nicolas.Williams at ubsw.com
Thu Apr 11 23:04:31 EST 2002
Er, shouldn't it be
#ifdef MAP_ANON
address = mmap(NULL, size, PROT_WRITE|PROT_READ, MAP_ANON|MAP_SHARED,
-1, 0);
#else
address = mmap(NULL, size, PROT_WRITE|PROT_READ, MAP_PRIVATE,
open("/dev/zero",...), 0);
#endif
?
Nico
On Wed, Apr 10, 2002 at 08:41:45PM -0700, Tim Rice wrote:
>
> Would this work in monitor_mm.c ?
> #ifdef MAP_ANON
> address = mmap(NULL, size, PROT_WRITE|PROT_READ, MAP_ANON|MAP_SHARED,
> -1, 0);
> #else
> address = mmap(NULL, size, PROT_WRITE|PROT_READ, MAP_SHARED,
> -1, 0);
> #endif
>
> Many systems have mmap() but no MAP_ANON/MAP_ANONYMOUS
> Ie. SCO 5.0.x, UnixWare 2.x, Solaris < 8
>
> Is MAP_ANON needed or do we just #undef HAVE_MMAP on systems that
> don't have it?
>
> --
> Tim Rice Multitalents (707) 887-1469
> tim at multitalents.net
>
>
> _______________________________________________
> openssh-unix-dev at mindrot.org mailing list
> http://www.mindrot.org/mailman/listinfo/openssh-unix-dev
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