Topic       : TOS - The Operating System
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Version     : tos.hyp (December 19, 2008)
Subject     : Programmieren/Atari
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Compiled on : Atari
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View Ref-File11.5.9.1  Shutdown in MultiTOS                                     TOS

Under MultiTOS, programs must do the following to support the Shutdown 
mechanism:

   . Call shel_write (with sh_wdoex= 9), to inform the AES that they 
     understand the AP_TERM message

   . Terminate on receipt of an AP_TERM message, or send AP_TFAIL

Note: MultiTOS sends the AP_TERM message here only to those processes 
that explicitly understand AP_TERM. As hardly any programs exist at 
present that dismiss a corresponding shel_write, an implementation 
such as this in MagiC would not give the desired result. Hence a 
different procedure was chosen, in which the AP_TERM message is sent 
to all running applications.

See also: Shutdown in MagiC   shel_write   Shutdown at the receiver 
Shutdown at the initiator