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Content preview: Hi, everyone. I just began learning TinyOS. I have some
problems
concerning sync and async command/event handlers. What's the exact meaning
of these two keywords? If a command is of sync which means it can only be
called in a synchronous context, does that mean it can be preempted by an
async command? If the command is of async, is it that two async commands
can preempt each other? Is it right to use atomic in a sync command? [...]
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--- Begin Message ---
Hi, everyone.
I just began learning TinyOS. I have some problems concerning sync and async
command/event handlers. What's the exact meaning of these two keywords? If a
command is of sync which means it can only be called in a synchronous context,
does that mean it can be preempted by an async command? If the command is of
async, is it that two async commands can preempt each other? Is it right to
use atomic in a sync command?
Best regards,
Qiyuan Zhang
--- End Message ---
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