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| author | andreas_kupries <akupries@shaw.ca> | 2009-10-23 19:09:17 (GMT) |
|---|---|---|
| committer | andreas_kupries <akupries@shaw.ca> | 2009-10-23 19:09:17 (GMT) |
| commit | 4c918aeb8891267ba470fbb2734bc5f0f711df00 (patch) | |
| tree | 468029f1bc0a420285d97f260766460c10a27ed0 /generic/tclIO.c | |
| parent | a14cd9979de8b9856c979aae40f3c8889b2d8d9b (diff) | |
| download | tcl-4c918aeb8891267ba470fbb2734bc5f0f711df00.zip tcl-4c918aeb8891267ba470fbb2734bc5f0f711df00.tar.gz tcl-4c918aeb8891267ba470fbb2734bc5f0f711df00.tar.bz2 | |
* 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>.
Diffstat (limited to 'generic/tclIO.c')
| -rw-r--r-- | generic/tclIO.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c index 28e9fbc..57960f5 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 1.163 2009/10/19 22:00:19 dgp Exp $ + * RCS: @(#) $Id: tclIO.c,v 1.164 2009/10/23 19:09:17 andreas_kupries Exp $ */ #include "tclInt.h" @@ -2393,7 +2393,11 @@ FlushChannel( */ toWrite = BytesLeft(bufPtr); - written = ChanWrite(chanPtr, RemovePoint(bufPtr),toWrite, &errorCode); + if (toWrite == 0) { + written = 0; + } else { + written = ChanWrite(chanPtr, RemovePoint(bufPtr),toWrite, &errorCode); + } /* * If the write failed completely attempt to start the asynchronous |