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My program contained a deadlock, which went like this:
public class Test {
public static def main(args:Array[String]) {
val lock = new Cell[Boolean](false);
async {
throw new Exception("Foo");
atomic lock() = true;
}
async {
when (lock()) ;
}
}
}
There are two activities, such that one is blocked by the other. Now
before the other activity releases the block it throws an exception. The
thrown exception bubbles up the stack, where it is stored to be put into
a MultipleException container. The program deadlocks without any output.
It would have been helpful, if the program would have printed the
Exception right when it is stored. Of course this cannot be default
behavior, but a compiler switch would be nice.
- --
Andreas Zwinkau
Karlsruhe Institute of Technology (KIT)
Institut für Programmstrukturen und Datenorganisation (IPD)
Lehrstuhl Prof. Snelting
Adenauerring 20a
76131 Karlsruhe
Phone: +49 721 608 48351
Fax: +49 721 608 48457
Email: zwin...@kit.edu
Web: http://pp.info.uni-karlsruhe.de/person.php?id=107
KIT – University of the State of Baden-Wuerttemberg and
National Research Center of the Helmholtz Association
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