mail-archives/mono-bugs/2009-March/087384.html

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<TITLE> [Mono-bugs] [Bug 489019] mono throwing exception while closing file descriptor 0
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<H1>[Mono-bugs] [Bug 489019] mono throwing exception while closing file descriptor 0</H1>
<B>bugzilla_noreply at novell.com</B>
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TITLE="[Mono-bugs] [Bug 489019] mono throwing exception while closing file descriptor 0">bugzilla_noreply at novell.com
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<I>Sat Mar 28 10:08:15 EDT 2009</I>
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<PRE><A HREF="https://bugzilla.novell.com/show_bug.cgi?id=489019">https://bugzilla.novell.com/show_bug.cgi?id=489019</A>
User <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">gonzalo at novell.com</A> added comment
<A HREF="https://bugzilla.novell.com/show_bug.cgi?id=489019#c3">https://bugzilla.novell.com/show_bug.cgi?id=489019#c3</A>
--- Comment #3 from Gonzalo Paniagua Javier &lt;<A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">gonzalo at novell.com</A>&gt; 2009-03-28 08:08:14 MST ---
Compile as: &quot;gcc -o caller caller.c&quot; and &quot;gmcs main.cs&quot;.
Then run: ./caller
Adjust the path to 'mono' (or use another exec* that searches in PATH).
The result will be an empty &quot;test-file.log&quot; or an exception, depending on the
version of mono.
----caller.c--------------
#include &lt;unistd.h&gt;
int
main ()
{
close (0);
close (1);
close (2);
return execlp (&quot;/opt/mono/bin/mono&quot;, &quot;/opt/mono/bin/mono&quot;, &quot;main.exe&quot;,
NULL);
}
-------------------------
------main.cs------------
using System;
using System.IO;
class Seomething
{
static private int done = 0;
static StreamWriter log = null;
public static void mylog(string msg)
{
if (done == 0) {
log = new StreamWriter(&quot;mylogfile.log&quot;);
done = 1;
}
log.Write(msg);
log.Flush();
}
public static void Main(string[] args)
{
StreamWriter w = new StreamWriter(&quot;test-file.log&quot;);
w.Write(&quot;Hello world&quot;);
w.Flush();
try
{
w.Close();
}
catch (Exception e)
{
mylog(&quot;StreamWriter.Close() threw exception\n&quot;);
mylog(e.ToString());
}
}
}
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