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  • Glasgow Haskell CompilerGlasgow Haskell Compiler
  • GHCGHC
  • Issues
  • #3171

threadDelay causes Ctrl-C to be ignored when running interpreted code

the following program:

import Control.Concurrent
import Control.Concurrent.MVar
main = threadDelay 0 >> newEmptyMVar >>= takeMVar

will not respond to Ctrl-C when run via runghc, but does respond to Ctrl-C when compiled and executed.

If the threadDelay is removed, it does respond to Ctrl-C both compiled and interpreted.

In 6.10.1, Ctrl-C has the normal effect whether the program is run compiled or interpreted.

The editline segmentation fault bug prevented us from testing the behavior in ghci.

Trac metadata
Trac field Value
Version 6.10.2
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Runtime System
Test case
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