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

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Bugs item #1075378, was opened at 2004-11-29 17:55
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Category: 47. Threading
Group: current: 8.4.8
Status: Open
Resolution: None
Priority: 5
Submitted By: Manuel Teira Paz (mteira)
Assigned to: Andreas Kupries (andreas_kupries)
Summary: C multithreaded program using TCL_interp

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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