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-rw-r--r--amforth-6.5/common/lib/multitask-messages.frt14
1 files changed, 14 insertions, 0 deletions
diff --git a/amforth-6.5/common/lib/multitask-messages.frt b/amforth-6.5/common/lib/multitask-messages.frt
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--- /dev/null
+++ b/amforth-6.5/common/lib/multitask-messages.frt
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+variable message \ the message box, the data exchanged itself.
+cvariable sender \ a task local semaphore
+
+: send ( message -- )
+ sender wait
+ message !
+ sender signal
+;
+
+: receive
+ sender wait
+ message @
+ sender signal
+;