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Re: read-file on HP NonStop
From: |
Pádraig Brady |
Subject: |
Re: read-file on HP NonStop |
Date: |
Tue, 05 Oct 2010 10:49:04 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.8) Gecko/20100227 Thunderbird/3.0.3 |
On 05/10/10 02:51, Bruno Haible wrote:
> Joachim Schmitz writes:
>> Doesn't work here, same problem:
>> Read 68 from /etc/resolv.conf...
>> FAIL: test-read-file
>>
>> And to clarify: the problem is not the symlink, it is the different
>> personalities in NonStop. A symlink inside the OSS personality wouldn't
>> be a problem, a symlink to an EDIT file in Guardian is, in respect to
>> the size stat() reports.
>
> This means, you have a problem with stat() or with the S_ISREG macro.
>
> In Unix, when S_ISREG of a file is true, then you should be able to read
> exactly as many bytes from the file as stat() returned in the st_size.
>
> Therefore on NonStop Kernel, so that stat() and S_ISREG works on all files,
> one of the following needs to be done:
> a) stat() needs to be fixed or wrapped, so that it sets the st_size
> to 68 instead of 2144 in said situation.
> b) stat() needs to be fixed or wrapped, so that it sets the st_mode
> field to a value for which S_ISREG returns 0.
> c) S_ISREG needs to be fixed or replaced, so that it returns 0 when
> given as argument the st_mode value from an statbuf for said file.
Well a file can grow between stat and read.
Also `stat /proc/cmdline` returns 0 here,
but the file has data.
- Re: ACLs on HP NonStop, (continued)
- Re: ACLs on HP NonStop, Bruno Haible, 2010/10/03
- RE: ACLs on HP NonStop, Schmitz, Joachim, 2010/10/03
- Re: ACLs on HP NonStop, Bruno Haible, 2010/10/03
- Re: read-file on HP NonStop, Bruno Haible, 2010/10/03
- RE: read-file on HP NonStop, Schmitz, Joachim, 2010/10/04
- Re: read-file on HP NonStop, Paolo Bonzini, 2010/10/04
- RE: read-file on HP NonStop, Schmitz, Joachim, 2010/10/04
- Re: read-file on HP NonStop, Bruno Haible, 2010/10/04
- Message not available
- Re: read-file on HP NonStop, Bruno Haible, 2010/10/04
- RE: read-file on HP NonStop, Schmitz, Joachim, 2010/10/05
- Re: read-file on HP NonStop,
Pádraig Brady <=
- RE: ACLs on HP NonStop, Schmitz, Joachim, 2010/10/03
- Re: ACLs on HP NonStop, Bruno Haible, 2010/10/03
- RE: ACLs on HP NonStop, Schmitz, Joachim, 2010/10/03
- Message not available
- RE: ACLs on HP NonStop, Schmitz, Joachim, 2010/10/03