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-rw-r--r--ChangeLog7
-rw-r--r--generic/tclIO.c8
2 files changed, 13 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index 0eec538..8338699 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2009-10-23 Andreas Kupries <andreask@activestate.com>
+
+ * generic/tclIO.c (FlushChannel): Skip OutputProc for low-level
+ 0-length writes. When closing pipes which have already been closed
+ not skipping leads to spurious SIG_PIPE signals. Reported by
+ Mikhail Teterin <mi+thun@aldan.algebra.com>.
+
2009-10-21 Donal K. Fellows <dkf@users.sf.net>
* generic/tclPosixStr.c: [Bug 2882561]: Work around oddity on Haiku OS
diff --git a/generic/tclIO.c b/generic/tclIO.c
index a74cd04..fe5ea86 100644
--- a/generic/tclIO.c
+++ b/generic/tclIO.c
@@ -10,7 +10,7 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclIO.c,v 1.137.2.12 2009/10/19 21:59:18 dgp Exp $
+ * RCS: @(#) $Id: tclIO.c,v 1.137.2.13 2009/10/23 19:09:02 andreas_kupries Exp $
*/
#include "tclInt.h"
@@ -2314,8 +2314,12 @@ FlushChannel(
*/
toWrite = BytesLeft(bufPtr);
- written = (chanPtr->typePtr->outputProc)(chanPtr->instanceData,
+ if (toWrite == 0) {
+ written = 0;
+ } else {
+ written = (chanPtr->typePtr->outputProc)(chanPtr->instanceData,
RemovePoint(bufPtr), toWrite, &errorCode);
+ }
/*
* If the write failed completely attempt to start the asynchronous