rts/Exception.cmm · 63e2cde7a259256a0e4925611ae8184bc4da68a4 · Alexander Kaznacheev / GHC

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13 years ago

Fix #4988: we were wrongly running exception handlers in the · 63e2cde7

Simon Marlow authored 13 years ago

maskUninterruptible state instead of ordinary mask, due to a
misinterpretation of the way the TSO_INTERRUPTIBLE flag works.

Remarkably this must have been broken for quite some time.  Indeed we
even had a test that demonstrated the wrong behaviour (conc015a) but
presumably I didn't look hard enough at the output to notice that it
was wrong.

63e2cde7

History

Fix #4988: we were wrongly running exception handlers in the

Simon Marlow authored 13 years ago

maskUninterruptible state instead of ordinary mask, due to a
misinterpretation of the way the TSO_INTERRUPTIBLE flag works.

Remarkably this must have been broken for quite some time.  Indeed we
even had a test that demonstrated the wrong behaviour (conc015a) but
presumably I didn't look hard enough at the output to notice that it
was wrong.

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