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authorandreas_kupries <akupries@shaw.ca>2009-01-22 00:05:13 (GMT)
committerandreas_kupries <akupries@shaw.ca>2009-01-22 00:05:13 (GMT)
commit9c026cec4e9775bcdcc7009b9866e4e570ba8b6e (patch)
tree8097c6a97e5860763fd734684b098838804ea789 /generic/tclIORChan.c
parent22ce7af7758444030a12394242057ab031c2c739 (diff)
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* generic/tclIORChan.c (ReflectClose): Fix for [Bug 2458202].
Closing a channel may supply NULL for the 'interp'. Test for finalization needs to be different, and one place has to pull the interp out of the channel instead.
Diffstat (limited to 'generic/tclIORChan.c')
-rw-r--r--generic/tclIORChan.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/generic/tclIORChan.c b/generic/tclIORChan.c
index d13b9aac..c9a294b 100644
--- a/generic/tclIORChan.c
+++ b/generic/tclIORChan.c
@@ -15,7 +15,7 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclIORChan.c,v 1.28.2.5 2008/07/03 17:38:18 andreas_kupries Exp $
+ * RCS: @(#) $Id: tclIORChan.c,v 1.28.2.6 2009/01/22 00:05:14 andreas_kupries Exp $
*/
#include <tclInt.h>
@@ -1046,7 +1046,7 @@ ReflectClose(
ReflectedChannelMap* rcmPtr; /* Map of reflected channels with handlers in this interp */
Tcl_HashEntry* hPtr; /* Entry in the above map */
- if (interp == NULL) {
+ if (TclInThreadExit()) {
/*
* This call comes from TclFinalizeIOSystem. There are no
* interpreters, and therefore we cannot call upon the handler command
@@ -1134,13 +1134,18 @@ ReflectClose(
* NOTE: The channel may not be in the map. This is ok, that happens
* when the channel was created in a different interpreter and/or
* thread and then was moved here.
+ *
+ * NOTE: The channel may have been removed from the map already via
+ * the per-interp DeleteReflectedChannelMap exit-handler.
*/
-
- rcmPtr = GetReflectedChannelMap (interp);
- hPtr = Tcl_FindHashEntry (&rcmPtr->map,
- Tcl_GetChannelName (rcPtr->chan));
- if (hPtr) {
- Tcl_DeleteHashEntry (hPtr);
+
+ if (rcPtr->interp) {
+ rcmPtr = GetReflectedChannelMap (rcPtr->interp);
+ hPtr = Tcl_FindHashEntry (&rcmPtr->map,
+ Tcl_GetChannelName (rcPtr->chan));
+ if (hPtr) {
+ Tcl_DeleteHashEntry (hPtr);
+ }
}
#ifdef TCL_THREADS
rcmPtr = GetThreadReflectedChannelMap();