Thread

1. Re: [HACKERS] mmap and MAP_ANON

   Hannu Krosing <hannu@trust.ee> — 1998-05-12T10:19:26Z

   ocie@paracel.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
   
   

2. Re: [HACKERS] mmap and MAP_ANON

   ocie@paracel.com — 1998-05-12T19:40:47Z

   Hannu Krosing wrote:
   > 
   > ocie@paracel.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 appears there, but using it causes mmap to return EINVAL.
   
   Ocie