#1177: All I/O requests must complete before shutdown on Windows
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Reporter: simonmar | Owner: simonmar
Type: bug | Status: new
Priority: highest | Milestone: 6.8
Component: Runtime System | Version: 6.6
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Os: Windows | Testcase:
Architecture: Multiple |
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Comment (by simonmar):
Nearly fixed. I implemented the latter two of the three options:
* maybe we need two ways to shut down the RTS: forcibly, for program
exit,
and more carefully, for DLL shutdown.
* when shutting down a DLL, we should wait for and/or terminate
outstanding
So now program exit doesn't wait for threads to complete, but DLL shutdown
does. Fortunately this was possible because DLL shutdown calls hs_exit()
or equivalently shutdownHaskell(), but program exit calls
shutdownHaskellAndExit(). hs_exit() now assumes the worst; namely that
the RTS is about to go away, so it must ensure that any threads which
might return to RTS code have completed.
I'll add some more documentation about DLL shutdown before I close this
bug.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1177>
GHC <http://www.haskell.org/ghc/>
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