[ sisc-Bugs-1461906 ] thread errors not propagating outer exception

Bugs item #1461906, was opened at 2006-03-31 08:31
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Matthias Radestock (mradestock)
Assigned to: Nobody/Anonymous (nobody)
Summary: thread errors not propagating outer exception

Initial Comment:
SISC (1.13.2-rc)
#;> (import threading)
#;> (define t (thread/spawn (lambda () (+ (/ 1 0)))))
#;> (thread/join t)
finished-with-error
#;> (+ (thread/result t))
Error in /: <java.lang.ArithmeticException>: division
by zero.
console:2:39: <from call to />
[previous entry repeated twice]


I would have expected the error to be reported as
arising from the call to thread/result, with the root
cause set to the error that got reported above.

Looking at the code, it is obvious why this is not
happening: rather than calling error(...),
thread/result explicitly causes the failure
continuation to be invoked with the error raised by the
thread.

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