Re: exec segfaults on Windows.

[Rik]

On 05/02/2016 10:44 PM, address@hidden wrote:

Subject:

exec : typo in documents and erroneously terminates on native windows

From:

Tatsuro MATSUOKA <address@hidden>

Date:

05/02/2016 10:30 PM

To:

"address@hidden" <address@hidden>

List-Post:

<mailto:address@hidden>

Precedence:

list

MIME-Version:

1.0

Reply-To:

Tatsuro MATSUOKA <address@hidden>

Message-ID:

<address@hidden>

Content-Type:

multipart/mixed; boundary="551173151-880950786-1462253419=:63132"

Message:

4

Hello

I have execute exec on native windows (4.0.2) and Cygwin (4.0.1)

In the documents(help and manual)

*******************************
     FILE.  For example,

          exec ("ls" "-l")

     will run 'ls' and return you to your shell prompt.
*******************************
          exec ("ls" "-l")
should be
          exec ("ls", "-l")
(missing comma)

BTW, octave termination of octave by exec ("ls", "-l") is an expected behavior.
However, octave erroneously terminates on octave 4.0.2 (32 and 64 bit)
I attached message from Windows. (Sorry it is written in Japanese.)
 
Translation
 Octave-cli is terminated.
 Problems occurred and program does not work correctly.
 Program is terminated by windows system.
 If there is a solution, it is reported from windows system.
    (Button [Terminate program])


Tatsuro

5/3/16

Tatsuro,

The documentation string is incorrect as you noted.  I fixed that here http://hg.savannah.gnu.org/hgweb/octave/rev/32a6d948fea7.

I just tried exec with 4.0.2-cli in a Windows XP virtual machine and there is an indication of going through an emergency shutdown which is incorrect, although the eventual shell command is executed correctly.  See below

>> exec ('dir')
panic: Segmentation violation -- stopping myself...
attempting to save variables to 'octave-workspace'...
abc                IETldCache         ntuser.dat.LOG        SendTo
Application\ Data  Local\ Settings    ntuser.ini            Start\ Menu
Cookies            MapSetToolKit.cfg  PrintHood             Templates
Desktop            My\ Documents      PrivacIE              UserData
Favorites          NetHood            QBInstanceFinder.log  WINDOWS
g2mdlhlpx.exe      NTUSER.DAT         Recent

Could you file a bug report about that on the bug tracker?

--Rik