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The UNILINK Host Adapter also supports multiprocessing in host computer
applications through the host assigned Source Identification number. This
number associates each host task with corresponding macros, preventing one
task from interfering with another's resources. Up to thirty-two independent
host tasks can be in use at any one time, each assigned a unique value, from 1 to
254. The Source ID can also be used in single task environments to group
related subtasks and gather their responses.
2.10.3
The Macro Commands
Macros are defined and maintained with the following commands.
D
D
D
D
D
D
D
UNILINK HOST ADAPTER
USER MANUAL
OPERATION AND APPLICATION
ALLOCATE SOURCE ID
ALLOCATE MACRO STORAGE BUFFERS
DEFINE MACRO
GATHER MACRO RESPONSE
ENABLE/DISABLE MACRO EXECUTION
INITIALIZE MACRO RESPONSE BUFFER
LINK MACRO
2–34
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