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select()-EINVAL

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greju

greju

Programmer
Oct 20, 2003
7
US
Hi,
I was going through the documentation of the select() subroutine for UNIX and one of the conditions for select() to return EINVAL was

"One of the specified file descriptors refers to a STREAM or
multiplexer that is linked (directly or indirectly) downstream
from a multiplexer"

Could someone tell me what does this mean ?

Thanks,
Reju
 
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