Messages in this thread | | | Date | Wed, 10 Jun 1998 13:07:02 -0700 (PDT) | From | "B. James Phillippe" <> | Subject | POSIX SHM/semaphores (was Re: [Linux-3D] Try my new DMA ... ) |
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On Wed, 10 Jun 1998, Thomas Sailer wrote:
> Richard Gooch wrote: > > > SysV SHM still has advantages over mmap. I'd find mmap much more > > useful if I could mmap /dev/zero, pass the FD to another process and > > mmap there and hence share memory between the two. > > What about POSIX SHM? It seems to have the advantages of SysV SHM, but > less of the disadvantages... (i.e. it has a very simple interface, > the same goes for POSIX vs. SysV semaphores, the latter having > an extremely complicated interface...)
Hi. I've never heard of POSIX SHM/semaphores. Can anyone point me to an online resource? I assume that kernel support is necessary, and from a private email with Tom I believe that Linux does not currently support it. What are the kernel developers' thoughts on it?
thanks, -bp -- B. James Phillippe <bryan@terran.org> Linux Software Engineer, WGT Inc. http://earth.terran.org/~bryan
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