Re: PROBLEM: I/O system call never returns if file desc is closed in the

From: Florian Weimer (Florian.Weimer@RUS.Uni-Stuttgart.DE)
Date: Wed Jun 06 2001 - 23:24:38 EST

Matthias Urlichs <smurf@noris.de> writes:

> Select is defined as to return, with the appropriate bit set, if/when
> a nonblocking read/write on the file descriptor won't block. You'd get
> EBADF in this case, therefore causing the select to return would be a
> Good Thing.

How do you avoid race conditions if more than one thread is creating
file descriptors? I think you can only do that under very special
circumstances, and it definitely requires some synchronization. 

-- 
Florian Weimer 	                  Florian.Weimer@RUS.Uni-Stuttgart.DE
University of Stuttgart           http://cert.uni-stuttgart.de/
RUS-CERT                          +49-711-685-5973/fax +49-711-685-5898
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This archive was generated by hypermail 2b29 : Thu Jun 07 2001 - 21:00:57 EST