Messages in this thread | | | Date | Wed, 7 Mar 2001 07:57:40 -0600 (CST) | From | Jesse Pollard <> |
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Marcelo Tosatti <marcelo@conectiva.com.br>: > On Wed, 7 Mar 2001, Alexander Viro wrote: > > > > > > > You are reinventing the wheel. > > man ptrace (see PTRACE_{PEEK,POKE}{TEXT,DATA} and PTRACE_{ATTACH,CONT,DETACH}) > > With ptrace data will be copied twice. As far as I understood, Jeremy > wants to avoid that.
The the only way left would be to mmap a file. The second process could mmap the same file to put data.I believe the buffers holding the data would be shared between the two processes.
How the first process detects that I don't know (semaphore? signal?).
------------------------------------------------------------------------- Jesse I Pollard, II Email: pollard@navo.hpc.mil
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