From: De-Jian Zhao <dejian.zhao@gmail.com>
To: cygwin@cygwin.com
Cc: vhaisman@gmail.com
Subject: Re: Why /usr/bin/*.dll must be executable?
Date: Fri, 20 Apr 2012 16:18:00 -0000 [thread overview]
Message-ID: <4F918C2A.2080300@gmail.com> (raw)
In-Reply-To: <CAKw7uVjf6kt2O=u4EB4xDGgF5wCvqRmtO6v_bc51R7Qj2RFZLw@mail.gmail.com>
On 2012-4-20 21:07, Václav Zeman wrote:
> On 20 April 2012 15:02, De-Jian Zhao wrote:
>> Hi,
>>
>> When I type "cyg" and Tab, many executables starting with "cyg" are listed
>> (Display all 262 possibilities? (y or n) y). I find that many of them are
>> *.dll libraries under /usr/bin/. This is inconvenient to find the real
>> executable applications (*.exe). Since *.dll files are only libraries, they
>> are not necessary to have the attribute of "x". Thus, I run the command
>> "chmod a-x /usr/bin/*.dll". Unexpectedly, cygwin is corrupted. I closed the
>> terminal and failed to restart Cygwin. I started my older version of Cygwin
>> (I did not deleted it after installing a new version), and added "x" to the
>> previous *.dll files. The dead Cygwin revived.
>>
>> I am confused why /usr/bin/*.dll should be executable. I thought they were
>> only library files. When I tried to run a dll file, bash says "cannot
>> execute binary file". Are there some hidden stories?
> DLLs are executables thus they need the +x bit. This is a Windows thing.
>
If this is a windows thing, removing the x bit should not affect Cygwin.
Instead, Cygwin is corrupted after removing the x bit.
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next prev parent reply other threads:[~2012-04-20 16:18 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-20 13:03 De-Jian Zhao
2012-04-20 13:05 ` De-Jian Zhao
2012-04-20 13:08 ` Václav Zeman
2012-04-20 16:18 ` De-Jian Zhao [this message]
2012-04-20 16:28 ` Corinna Vinschen
2012-04-20 17:25 ` Nellis, Kenneth
2012-04-20 17:29 ` Larry Hall (Cygwin)
2012-04-20 17:37 ` De-Jian Zhao
2012-04-20 17:46 ` Larry Hall (Cygwin)
2012-04-20 17:40 ` Nellis, Kenneth
2012-04-20 17:32 ` De-Jian Zhao
2012-04-20 17:41 ` Larry Hall (Cygwin)
2012-04-20 17:47 ` De-Jian Zhao
2012-04-20 17:58 ` Larry Hall (Cygwin)
2012-04-20 18:21 ` De-Jian Zhao
2012-04-20 18:43 ` Larry Hall (Cygwin)
2012-04-20 22:10 ` Mike Kaganski
2012-04-22 2:29 ` Larry Hall (Cygwin)
2012-04-20 18:05 ` Larry Hall (Cygwin)
2012-04-23 19:01 ` Warren Young
2012-04-23 20:16 ` Larry Hall (Cygwin)
2012-04-23 22:13 ` Warren Young
2012-04-23 23:55 ` Richard Troy
2012-04-24 0:19 ` Warren Young
2012-04-24 16:49 ` Larry Hall (Cygwin)
2012-04-20 19:06 ` Jon TURNEY
2012-04-21 3:37 ` De-Jian Zhao
2012-04-23 19:02 ` Warren Young
2012-04-23 19:26 ` David Sastre Medina
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