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| author | andreas_kupries <akupries@shaw.ca> | 2009-10-23 19:09:02 (GMT) |
|---|---|---|
| committer | andreas_kupries <akupries@shaw.ca> | 2009-10-23 19:09:02 (GMT) |
| commit | 209270f72901889b717272fcb3a1cd80b76bcaca (patch) | |
| tree | 94863f3bd004fdd79f99009e4d4c9b25c3892c3e /generic/tclIO.c | |
| parent | 5bee8832da8316d97a5f398ae26de71558e108ce (diff) | |
| download | tcl-209270f72901889b717272fcb3a1cd80b76bcaca.zip tcl-209270f72901889b717272fcb3a1cd80b76bcaca.tar.gz tcl-209270f72901889b717272fcb3a1cd80b76bcaca.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 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 |