Re: [Help-smalltalk] Re: Exception in the socket code

[Paolo Bonzini]

On 03/26/2011 11:09 AM, Holger Hans Peter Freyther wrote:
> On 03/25/2011 10:01 PM, Holger Hans Peter Freyther wrote:
>
> > recvfrom(4, 0xb35bf7bc, 1024, 0, 0, 0)  = -1 ECONNRESET (Connection reset by 
> > peer)
>
>
> okay, 945cca8737d716e2436aaa064c2c6aed02d34627 of 11th of August 2008
> introduced the following to cint.c:get_errno():
>
> if (old == ESHUTDOWN || old == ECONNRESET
>      || old == ECONNABORTED || old == ENETRESET)
>     return 0;
>
>
> this explains why the connection refused is working but the connection reset
> (due using tcpkill) will fail. The question is how to go forward? So somehow I
> want to get a EndOfStream or a FileError.

Yes, your original idea of returning 0 now is correct.  checkError will 
return 0 for you:

diff --git a/kernel/FileDescr.st b/kernel/FileDescr.st
index f424cd2..d2291d1 100644
--- a/kernel/FileDescr.st
+++ b/kernel/FileDescr.st
@@ -797,7 +797,8 @@ do arbitrary processing on the files.'>
                    fileOp: 3
                    with: aCollection
                    with: position + available
-                   with: (position + n - 1 min: aCollection size).
+                   with: (position + n - 1 min: aCollection size)
+                    ifFail: [self checkError].
        count := count + available.
        count = 0 ifTrue: [atEnd := true].
        ^count
@@ -817,7 +818,8 @@ do arbitrary processing on the files.'>
                            fileOp: 2
                            with: aCollection
                            with: cur
-                           with: last.
+                           with: last
+                            ifFail: [self checkError].
                result = 0 ifTrue: [^cur - position].
                cur := cur + result].
        ^cur - position

(untested).

Paolo