MathGroup Archive 1999

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Mathematica Mathlink bug.

  • To: mathgroup at
  • Subject: [mg16871] Mathematica Mathlink bug.
  • From: tobiasoed at
  • Date: Mon, 5 Apr 1999 02:24:16 -0400
  • Organization: Deja News - The Leader in Internet Discussion
  • Sender: owner-wri-mathgroup at

Mathlink has a bidirectional chanel to exchange stuff between two programs.
There is another chanel used to send messages (for interrupts...). This chanel
is also bidirectional - except when at one end there is a mathematica kernel.
In this case the link direction depends on how the two sides have been

If the kernel is started through an MLOpenArgv, with the arguments
-linklaunch, -linkname,math -mathlink
it is the parent program that can send messages to the kernel.

If one side creates the link and the other one connects to the link, then
it is the kernel that can send message to the other programm.

Why is mathematica the only prog that does not allow for a bidirectional
communication on the message chanel ?

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