How can I tell if a socket is blocking or non-blocking?

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C++

sockets

Hi Guys,

How can I tell if a socket is blocking or non-blocking in C++ and in windows API?

Thanks,
AR

Posted 5-Dec-10 21:52pm

Alexeirob

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cccfff777 · Answer 1 · 2010-12-06T01:41:00

Solution 1

Depends on how you used the socket.
When it is blocking, the execution of the current thread stays in the "usage-function" of that socket until that function returns. Or, your program is "blocked" until the socket-operation finishes.
When it is not blocking, it begins parallely with the execution of the socket-functionality you called while your current thread continues to run.

Posted 6-Dec-10 1:41am

cccfff777

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Alexeirob 6-Dec-10 11:01am

Ok, let me rephrase my question. I have a handle to a socket (in C++), and I want to check if it's blocking or not.
I know how to set it: http://msdn.microsoft.com/en-us/library/ms738573(VS.85).aspx
But I need to get this property.