Shared memory and IPC

Luke Kenneth Casson Leighton lkcl at
Wed Sep 5 18:38:31 GMT 2001

hiya wez, hope this helps.  oh, yes: man mmap: MAP_FIXED
("use of this option is discouraged" :) :)

----- Forwarded message from Alan Cox -----

Subject: Re: Shared memory and IPC
To: lkcl at (Luke Kenneth Casson Leighton)
From: Alan Cox 

> does Linux support shared memory that guarantees that
> it will be made available at the same address in multiple
> processes?

both mmap and shmat can do that. Obviously you need to have ensured the
address range in question is free

----- End forwarded message -----

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