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Re: File Stream Open Problem with g++ 3.3.3 and libstdc++.so.5

From: Paolo Carlini <pcarlini at suse dot de>
To: Jonathan Wakely <cow at compsoc dot man dot ac dot uk>
Cc: Subrata Basak <subrata-basak at mediaring dot com>,'gcc-libstdc++' <libstdc++ at gcc dot gnu dot org>
Date: Mon, 29 Mar 2004 13:20:46 +0200
Subject: Re: File Stream Open Problem with g++ 3.3.3 and libstdc++.so.5
References: <1080505094.1922.11.camel@triumph.rjsdomain> <003e01c4156a$dc6f60e0$1f01010a@corp.mediaring.com> <20040329111206.GA26475@compsoc.man.ac.uk>

Jonathan Wakely wrote:

This sounds like an artificial limit:

254 + stdin + stdout + stderr = 257

i.e. fails when number of open file descriptors > 256

Were you in the same environment each time you ran the program? Have you checked the value of "ulimit -n" ?

Yes Jonathan is right, maybe someone reduced the limit from the usual 1024.

By the way, depending on your shell, could be "limit" instead of "ulimit -n".

Paolo.

References:
- patch - implementation of stdio_fstream
  - From: Robert Schweikert
- File Stream Open Problem with g++ 3.3.3 and libstdc++.so.5
  - From: Subrata Basak
- Re: File Stream Open Problem with g++ 3.3.3 and libstdc++.so.5
  - From: Jonathan Wakely

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