ve> Johnie Stafford wrote:
>> What about the posix.4 shared memory objects? Any chance we might ever
>> see them? The ability to map shared memory segments to the same
>> logical address in several different processes would make the use of
>> pointers in shared memory possible.
>>
>> Johnie
>>
ve> Though I am pretty anxiously waiting for the posix.1b/posix.4
ve> features as well, I would like you to take notice of the fact
ve> that the feature of attaching a shared mem segment to a specified
ve> address is already given with SysV IPC.
ve> shm_root_p = shmat (shm_id, (char *)0xa0000000 ,0);
ve> is a possible action. But anyway: the 'clean' solution for pointers
ve> in shared memory would always be having addresses relative to the
ve> segment's borders.
That is more-or-less what we do, but I really hate specifying an
absolute address in a program.
Johnie
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Johnie Stafford | Internet E-mail: jms@pobox.com
KB5YVF - Lafayette, LA | Ham Radio Packet: kb5yvf@k5arh.#lftla.la.us.noam
| WWW URL: http://www.pobox.com/~jms
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