network programming with GHC 7
Brandon S Allbery KF8NH
allbery at ece.cmu.edu
Sun Oct 31 15:21:47 EDT 2010
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On 10/28/10 05:16 , Kazu Yamamoto (山本和彦) wrote:
> When I compiled a network server with GHC 7 without the "-threaded"
> option and ran it, I got the following error.
> file descriptor 5496824 out of range for select (0--1024).
I would be extremely suspicious of memory corruption with an fd that large;
it would indicate a kernel file table several tens of megabytes in size and
a minimum 10MB per-process file table associated with every process (on
Unix, but similar concerns probably apply on Windows).
(Also, I thought the new I/O manager didn't use select(), specifically
because it has annoying limitations like the above.)
brandon s. allbery [linux,solaris,freebsd,perl] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university KF8NH
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