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author | dgp <dgp@users.sourceforge.net> | 2014-07-22 17:04:15 (GMT) |
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committer | dgp <dgp@users.sourceforge.net> | 2014-07-22 17:04:15 (GMT) |
commit | 0e33b7250044536cb53b14805d37ac85d0edaa50 (patch) | |
tree | d0755c019c6357cbc87c99043b33aad94417f527 | |
parent | 4a913825d6e04adfddffb4f70cd7d35ae6b92efb (diff) | |
parent | b48cbaeccb8ec71c06c18c3eec115aad92346c38 (diff) | |
download | tcl-0e33b7250044536cb53b14805d37ac85d0edaa50.zip tcl-0e33b7250044536cb53b14805d37ac85d0edaa50.tar.gz tcl-0e33b7250044536cb53b14805d37ac85d0edaa50.tar.bz2 |
[12b0997ce7] Plug memleak in iocmd.tf-32.0 .
-rw-r--r-- | generic/tclIORChan.c | 63 |
1 files changed, 40 insertions, 23 deletions
diff --git a/generic/tclIORChan.c b/generic/tclIORChan.c index ff602c6..3506a44 100644 --- a/generic/tclIORChan.c +++ b/generic/tclIORChan.c @@ -436,6 +436,7 @@ static ReflectedChannelMap * GetReflectedChannelMap(Tcl_Interp *interp); static void DeleteReflectedChannelMap(ClientData clientData, Tcl_Interp *interp); static int ErrnoReturn(ReflectedChannel *rcPtr, Tcl_Obj *resObj); +static void MarkDead(ReflectedChannel *rcPtr); /* * Global constant strings (messages). ================== @@ -1146,7 +1147,6 @@ ReflectClose( if (result != TCL_OK) { FreeReceivedError(&p); } - return EOK; } #endif @@ -1217,17 +1217,14 @@ ReflectClose( if (hPtr) { Tcl_DeleteHashEntry(hPtr); } + } #endif - - tctPtr = ((Channel *)rcPtr->chan)->typePtr; - if (tctPtr && tctPtr != &tclRChannelType) { + tctPtr = ((Channel *)rcPtr->chan)->typePtr; + if (tctPtr && tctPtr != &tclRChannelType) { ckfree((char *)tctPtr); ((Channel *)rcPtr->chan)->typePtr = NULL; - } - Tcl_EventuallyFree(rcPtr, (Tcl_FreeProc *) FreeReflectedChannel); -#ifdef TCL_THREADS } -#endif + Tcl_EventuallyFree(rcPtr, (Tcl_FreeProc *) FreeReflectedChannel); return (result == TCL_OK) ? EOK : EINVAL; } @@ -2192,9 +2189,15 @@ FreeReflectedChannel( Channel *chanPtr = (Channel *) rcPtr->chan; Tcl_Release(chanPtr); - Tcl_DecrRefCount(rcPtr->name); - Tcl_DecrRefCount(rcPtr->methods); - Tcl_DecrRefCount(rcPtr->cmd); + if (rcPtr->name) { + Tcl_DecrRefCount(rcPtr->name); + } + if (rcPtr->methods) { + Tcl_DecrRefCount(rcPtr->methods); + } + if (rcPtr->cmd) { + Tcl_DecrRefCount(rcPtr->cmd); + } ckfree(rcPtr); } @@ -2460,6 +2463,28 @@ GetReflectedChannelMap( */ static void +MarkDead( + ReflectedChannel *rcPtr) +{ + if (rcPtr->dead) { + return; + } + if (rcPtr->name) { + Tcl_DecrRefCount(rcPtr->name); + rcPtr->name = NULL; + } + if (rcPtr->methods) { + Tcl_DecrRefCount(rcPtr->methods); + rcPtr->methods = NULL; + } + if (rcPtr->cmd) { + Tcl_DecrRefCount(rcPtr->cmd); + rcPtr->cmd = NULL; + } + rcPtr->dead = 1; +} + +static void DeleteReflectedChannelMap( ClientData clientData, /* The per-interpreter data structure. */ Tcl_Interp *interp) /* The interpreter being deleted. */ @@ -2494,7 +2519,7 @@ DeleteReflectedChannelMap( chan = Tcl_GetHashValue(hPtr); rcPtr = Tcl_GetChannelInstanceData(chan); - rcPtr->dead = 1; + MarkDead(rcPtr); Tcl_DeleteHashEntry(hPtr); } Tcl_DeleteHashTable(&rcmPtr->map); @@ -2577,7 +2602,7 @@ DeleteReflectedChannelMap( continue; } - rcPtr->dead = 1; + MarkDead(rcPtr); Tcl_DeleteHashEntry(hPtr); } #endif @@ -2724,7 +2749,7 @@ DeleteThreadReflectedChannelMap( Tcl_Channel chan = Tcl_GetHashValue(hPtr); ReflectedChannel *rcPtr = Tcl_GetChannelInstanceData(chan); - rcPtr->dead = 1; + MarkDead(rcPtr); Tcl_DeleteHashEntry(hPtr); } ckfree(rcmPtr); @@ -2907,8 +2932,6 @@ ForwardProc( * No parameters/results. */ - const Tcl_ChannelType *tctPtr; - if (InvokeTclMethod(rcPtr, METH_FINAL, NULL, NULL, &resObj)!=TCL_OK) { ForwardSetObjError(paramPtr, resObj); } @@ -2932,13 +2955,7 @@ ForwardProc( hPtr = Tcl_FindHashEntry(&rcmPtr->map, Tcl_GetChannelName(rcPtr->chan)); Tcl_DeleteHashEntry(hPtr); - - tctPtr = ((Channel *)rcPtr->chan)->typePtr; - if (tctPtr && tctPtr != &tclRChannelType) { - ckfree((char *)tctPtr); - ((Channel *)rcPtr->chan)->typePtr = NULL; - } - Tcl_EventuallyFree(rcPtr, (Tcl_FreeProc *) FreeReflectedChannel); + MarkDead(rcPtr); break; } |