[Tcl-bugs] [ tcl-Bugs-1075378 ] C multithreaded program using TCL_interp leaks memory

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Bugs item #1075378, was opened at 2004-11-29 17:55
Message generated for change (Comment added) made by vasiljevic
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Category: 47. Threading
Group: obsolete: 8.4.8
Status: Open
Resolution: None
Priority: 5
Submitted By: Manuel Teira Paz (mteira)
Assigned to: Zoran Vasiljevic (vasiljevic)
Summary: C multithreaded program using TCL_interp leaks memory

Initial Comment:
The attached  C program worked fine with tcl8.4.6.
Testing against tcl8.4.7, tcl8.4.8 and cvs trunk it
leaks a lot of memory. I've tested it with the same
results on Linux (Debian Woody) and sparc Solaris 2.8.
The configure invocation was:
./configure --enable-threads --enable-shared


The test program tries to source a script called
test.tcl and evaluates a procedure on that script. It's
enough an script like this:

cat test.tcl

proc test {
  set varA 1
  set varB 2
}

Once compiled, the program can be executed :
./tclleak 5 1000 (for example)
With tcl8.4.6 it only takes 4Mb of maximum memory, with
tcl8.4.7 and higher versions, it takes more than 150Mb.



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>Comment By: Zoran Vasiljevic (vasiljevic)
Date: 2005-05-31 09:03

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It is. You can safely close this one.

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Comment By: Jeffrey Hobbs (hobbs)
Date: 2005-05-31 04:24

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Zoran - is this related to your recent fix?

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Comment By: miguel sofer (msofer)
Date: 2005-05-18 16:48

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Dave: should this ticket be closed as invalid?

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Comment By: David Gravereaux (davygrvy)
Date: 2004-11-29 19:14

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whoop.. n/m..  missed seeing Tcl_FinalizeThread

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Comment By: David Gravereaux (davygrvy)
Date: 2004-11-29 19:10

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lacking Tcl_FinalizeThread in thFunction().
lacking Tcl_FindExecutable() and Tcl_Finalize() in main().

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