Norman, Thanks. This confirms that you are not using dynamic drivers. This explains why your fix works for you and coincides with my experiments. Just one further confirmation - were you closing the plplot window using the close button (X) on the window, or by pressing return / 'Q'?
Your testing is really useful here since there are lots of different build options / paths through the code, even for simple examples. We have a pretty comprehensive set of tests, but it is hard for us to cover everything. For example, when running the interactive tests I always use return to move on to the next page so I'd not spotted this bug before. You've definitely highlighted one xwin driver bug - I just need to work out the best way to fix it. I just want to be sure there is nothing else lurking behind it. Thanks Andrew On Wed, Mar 18, 2015 at 09:20:29PM -0700, Norman Goldstein wrote: > Sorry, I just got back in ... > OK, I certainly bow to your more extensive insight to the plplot big > picture. > For the record, here is how I configured plolot: > > cmake -DENABLE_ocaml=OFF -DCMAKE_BUILD_TYPE=Debug. -DBUILD_TEST=ON . > > Attached, is the cmake log. > I see that the default is ENABLE_DYNDRIVERS: OFF > > I disabled ocaml to avoid circular soft-linking that was breaking the build. > I ran examples/c++/x00.cpp to do my testing, for xw, psc and svg, for the > two cases of interactively typing in the device number, and of supplying > the -dev swtich on the command line. > > When I was first running on the downloaded code, I set a breakpoint > on plD_tidy_xw, and it was never hit. That is what started me going > down the path I took. Here are the results of "make test", that I just > ran on my patched branch: > > Running tests... > Test project /home/transient/systems/PLPLOT/plplot.git > Start 1: examples_c > 1/18 Test #1: examples_c ....................... Passed 14.57 sec > Start 2: examples_cxx > 2/18 Test #2: examples_cxx ..................... Passed 14.87 sec > Start 3: examples_f95 > 3/18 Test #3: examples_f95 ..................... Passed 5.13 sec > Start 4: examples_octave > 4/18 Test #4: examples_octave .................. Passed 7.60 sec > Start 5: examples_python > 5/18 Test #5: examples_python .................. Passed 19.39 sec > Start 6: examples_svg > 6/18 Test #6: examples_svg ..................... Passed 16.68 sec > Start 7: examples_pscairo > 7/18 Test #7: examples_pscairo .................***Failed 0.20 sec > Start 8: examples_pngcairo > 8/18 Test #8: examples_pngcairo ................***Failed 0.09 sec > Start 9: examples_xfig > *** Error in `/home/transient/systems/PLPLOT/plplot.git/examples/c/x00c': > double free or corruption (!prev): 0x0000000001e0d500 ** > ...... Lots of lines------------------ > 9/18 Test #9: examples_xfig ....................***Failed 0.05 sec > Start 10: examples_bmpqt > 10/18 Test #10: examples_bmpqt ...................***Failed 0.89 sec > Start 11: examples_jpgqt > 11/18 Test #11: examples_jpgqt ...................***Failed 0.49 sec > Start 12: examples_pngqt > 12/18 Test #12: examples_pngqt ...................***Failed 0.62 sec > Start 13: examples_ppmqt > 13/18 Test #13: examples_ppmqt ...................***Failed 0.61 sec > Start 14: examples_tiffqt > 14/18 Test #14: examples_tiffqt ..................***Failed 0.51 sec > Start 15: examples_svgqt > 15/18 Test #15: examples_svgqt ...................***Failed 0.53 sec > Start 16: examples_epsqt > 16/18 Test #16: examples_epsqt ...................***Failed 0.62 sec > Start 17: examples_pdfqt > 17/18 Test #17: examples_pdfqt ...................***Failed 0.57 sec > Start 18: examples_compare > 18/18 Test #18: examples_compare ................. Passed 0.27 sec > > 39% tests passed, 11 tests failed out of 18 > > Total Test time (real) = 83.71 sec > The following tests FAILED: > 7 - examples_pscairo (Failed) > 8 - examples_pngcairo (Failed) > 9 - examples_xfig (Failed) > 10 - examples_bmpqt (Failed) > 11 - examples_jpgqt (Failed) > 12 - examples_pngqt (Failed) > 13 - examples_ppmqt (Failed) > 14 - examples_tiffqt (Failed) > 15 - examples_svgqt (Failed) > 16 - examples_epsqt (Failed) > 17 - examples_pdfqt (Failed) > > Cheers, > Norm > > On 03/18/2015 07:15 PM, Alan W. Irwin wrote: > >On 2015-03-18 23:39-0000 Andrew Ross wrote: > > > >>I'm a little uneasy about applying this patch so late in the release > >>cycle > >>in case there are any unforseen consequences. The current situation will > >>result in a memory leak when closing the window with the button, but > >>since > >>this is on exit anyway it should not be too serious. > > > >OK, Andrew. If you are uneasy about even this small a patch let's > >leave it for now and consider what to do about all the plend issues we > >currently have for a variety of device drivers after the release. > > > >Thanks for looking at this particular xwin plend issue. > > > >Alan > >__________________________ > >Alan W. Irwin > > > >Astronomical research affiliation with Department of Physics and > >Astronomy, > >University of Victoria (astrowww.phys.uvic.ca). > > > >Programming affiliations with the FreeEOS equation-of-state > >implementation for stellar interiors (freeeos.sf.net); the Time > >Ephemerides project (timeephem.sf.net); PLplot scientific plotting > >software package (plplot.sf.net); the libLASi project > >(unifont.org/lasi); the Loads of Linux Links project (loll.sf.net); > >and the Linux Brochure Project (lbproject.sf.net). > >__________________________ > > > >Linux-powered Science > >__________________________ > > > > -- Explicitly setting policy CMP0022 to OLD > -- Explicitly setting policy CMP0023 to OLD > -- CMake version = 2.8.12.2 > -- CMAKE_SYSTEM_NAME = Linux > -- SH_EXECUTABLE = /usr/bin/bash > -- Checking whether system has ANSI C header files > -- ANSI C header files - found > -- SWIG_VERSION = 2.0.11 > -- Looking for pkg-config - found > -- X11_FOUND = 1 > -- X11_INCLUDE_DIR = /usr/include > -- X11_COMPILE_FLAGS = -I/usr/include > -- X11_LIBRARIES = > /usr/lib64/libSM.so;/usr/lib64/libICE.so;/usr/lib64/libX11.so;/usr/lib64/libXext.so > -- NOTICE: Found: /usr/bin/gfortran > -- PYTHON_VERSION = 2.7.5 > -- Building Python binding with plsmem() support > -- OCTAVE = /usr/bin/octave > -- MKOCTFILE = /usr/bin/mkoctfile > -- OCTAVE_CONFIG = /usr/bin/octave-config > -- OCTAVE_VERSION = 3.6.4 > -- OCTAVE_LIBRARIES = /usr/lib64/octave/3.6.4/liboctave.so > -- OCTINTERP_LIBRARIES = /usr/lib64/octave/3.6.4/liboctinterp.so > -- OCTAVE_INCLUDE_PATH = > /usr/include;/usr/include/octave-3.6.4;/usr/include/octave-3.6.4/octave > -- PLPLOT_OCTAVE_DIR = /usr/local/share/plplot_octave > -- OCTAVE_M_DIR = /usr/local/share/octave/site/m > -- OCTAVE_OCT_DIR = /usr/local/lib/octave > -- WARNING: ENABLE_tcl is OFF so disabling everything else that is Tcl/Tk > related > -- FindShapelib: Found shapelib header directory, /usr/include, and library, > /usr/lib64/libshp.so. > -- FindQHull: Found both qhull_a.h and libqhull.a > -- QHULL_INCLUDE_DIRS = /usr/include > -- QHULL_LIBRARIES = /usr/lib64/libqhull.so > -- QHULL_RPATH = > -- checking for module 'pango' > -- found pango, version 1.36.1 > -- checking for module 'pangoft2' > -- found pangoft2, version 1.36.1 > -- checking for module 'pangocairo' > -- found pangocairo, version 1.36.1 > -- TKLIB_COMPILE_FLAGS = -I"TK_INCLUDE_PATH-NOTFOUND" > -- NP_QT_COMPILE_DEFINITIONS = QT_SVG_LIB;QT_GUI_LIB;QT_CORE_LIB > -- QT_COMPILE_DEFINITIONS = -DQT_SVG_LIB;-DQT_GUI_LIB;-DQT_CORE_LIB > -- NP_QT_INCLUDE_DIRECTORIES = > /usr/include;/usr/include/QtSvg;/usr/include/QtGui;/usr/include/QtCore > -- QT_INCLUDE_DIRECTORIES = -isystem /usr/include;-isystem > /usr/include/QtSvg;-isystem /usr/include/QtGui;-isystem /usr/include/QtCore > -- pc_qt_COMPILE_FLAGS = -I/usr/include -I/usr/include/QtSvg > -I/usr/include/QtGui -I/usr/include/QtCore > -- wxWidgets found > -- wxwidgets_COMPILE_FLAGS = -I/usr/lib64/wx/include/gtk2-unicode-release-2.8 > -I/usr/include/wx-2.8 -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -D__WXGTK__ > -- wxwidgets_LINK_FLAGS = > -pthread;-Wl,-z,relro;/usr/lib64/libwx_baseu-2.8.so;/usr/lib64/libwx_gtk2u_core-2.8.so > -- RT_LIB = /usr/lib64/librt.so > -- WARNING:ENABLE_ocaml is OFF so disabling Plcairo module and lablgtk2 > support > -- validate target will be available to check for syntax issues in the PLplot > DocBook documentation using /usr/bin/env SP_CHARSET_FIXED=yes SP_ENCODING=xml > /usr/bin/onsgmls. > libplplot_LINK_FLAGS = > /usr/lib64/libpangocairo-1.0.so;/usr/lib64/libpango-1.0.so;/usr/lib64/libgobject-2.0.so;/usr/lib64/libglib-2.0.so;/usr/lib64/libcairo.so;/usr/lib64/libSM.so;/usr/lib64/libICE.so;/usr/lib64/libX11.so;/usr/lib64/libXext.so;/usr/lib64/libSM.so;/usr/lib64/libICE.so;/usr/lib64/libX11.so;/usr/lib64/libXext.so;/usr/lib64/libpthread.so;-pthread;-Wl,-z,relro;/usr/lib64/libwx_baseu-2.8.so;/usr/lib64/libwx_gtk2u_core-2.8.so;optimized;/usr/lib64/libQtSvg.so;debug;/usr/lib64/libQtSvg_debug.so;optimized;/usr/lib64/libQtGui.so;debug;/usr/lib64/libQtGui_debug.so;optimized;/usr/lib64/libQtCore.so;debug;/usr/lib64/libQtCore_debug.so;/usr/lib64/libm.so;/usr/lib64/libshp.so;-lcsirocsa;-lcsironn;-lqhull;-lqsastime > -- Determine compile and link flags for extXdrawable_demo > -- checking for module 'gtk+-x11-2.0' > -- found gtk+-x11-2.0, version 2.24.27 > -- Determine compile and link flags for ext-cairo-test > -- checking for module 'cairo' > -- found cairo, version 1.14.0 > -- WARNING: The test_octave_xcairo target can be run independently but does > not > work reliably so it is temporarily excluded from being a dependency of > other > more general interactive test targets > -- WARNING: The test_octave_qtwidget target can be run independently but does > not > work reliably so it is temporarily excluded from being a dependency of > other > more general interactive test targets > -- WARNING: The test_c_wxwidgets target can be run independently on > the Unix platform, but it generates "forced mousing" screen > refreshes for the wxwidgets-3.0.0 case so it is temporarily > excluded from being a dependency of other more general interactive > test targets > -- WARNING: The test_octave_wxwidgets target can be run independently but > does not > work reliably so it is temporarily excluded from being a dependency of > other > more general interactive test targets > -- WARNING: The test_octave_xwin target can be run independently but does not > work reliably so it is temporarily excluded from being a dependency of > other > more general interactive test targets > -- WARNING: The test_wxPLplotDemo target can be run independently on > the Unix platform, but it generates "forced mousing" screen > refreshes for the wxwidgets-3.0.0 case so it is temporarily > excluded from being a dependency of other more general interactive > test targets > -- TEST_ENVIRONMENT = > EXAMPLES_DIR=/home/transient/systems/PLPLOT/plplot.git/examples > SRC_EXAMPLES_DIR=/home/transient/systems/PLPLOT/plplot.git/examples > OUTPUT_DIR=/home/transient/systems/PLPLOT/plplot.git/ctest_examples_output_dir > VC_CTEST_DIRECTORY= > > Summary of CMake build system results for PLplot > > Install location variables which can be set by the user: > CMAKE_INSTALL_PREFIX: /usr/local > CMAKE_INSTALL_EXEC_PREFIX /usr/local > CMAKE_INSTALL_BINDIR /usr/local/bin > CMAKE_INSTALL_DATADIR /usr/local/share > CMAKE_INSTALL_LIBDIR /usr/local/lib > CMAKE_INSTALL_INCLUDEDIR /usr/local/include > CMAKE_INSTALL_INFODIR /usr/local/share/info > CMAKE_INSTALL_MANDIR /usr/local/share/man > > Derived install location variables: > DATA_DIR /usr/local/share/plplot5.10.0 > LIB_DIR /usr/local/lib > INCLUDE_DIR /usr/local/include/plplot > BIN_DIR /usr/local/bin > TCL_DIR /usr/local/share/plplot5.10.0/tcl > ADA_INCLUDE_DIR /usr/local/share/ada/adainclude/plplotada > ADA_LIB_DIR /usr/local/lib/ada/adalib/plplotada > PYTHON_INSTDIR /usr/local/lib64/python2.7/site-packages > DRV_DIR /usr/local/lib/plplot5.10.0/drivers > DOC_DIR /usr/local/share/doc/plplot > MAN_DIR /usr/local/share/man > INFO_DIR /usr/local/share/info > > Other important CMake variables: > > CMAKE_SYSTEM_NAME: Linux > UNIX: 1 > WIN32: > APPLE: > MSVC: (MSVC_VERSION: ) > MINGW: > MSYS: > CYGWIN: > BORLAND: > WATCOM: > > SWIG_FOUND: 1 > PERL_FOUND: TRUE > X11_FOUND: 1 > > CMAKE_BUILD_TYPE: Debug > CMAKE_C_COMPILER CMAKE_C_FLAGS: /usr/bin/cc > CMAKE_CXX_COMPILER CMAKE_CXX_FLAGS: /usr/bin/c++ > CMAKE_Fortran_COMPILER CMAKE_Fortran_FLAGS: /usr/bin/gfortran > Target Fortran: > PYTHON_EXECUTABLE: /usr/bin/python > PYTHON_INCLUDE_PATH: /usr/include/python2.7 > PYTHON_LIBRARIES: /usr/lib64/libpython2.7.so > NUMPY_INCLUDE_PATH: > /usr/lib64/python2.7/site-packages/numpy/core/include/numpy > > ENABLE_DYNDRIVERS: OFF > DRIVERS_LIST: cairo;qt;mem;null;ps;svg;wxwidgets;xfig;xwin > DEVICES_LIST: > memcairo;extcairo;pdfcairo;pngcairo;pscairo;epscairo;svgcairo;xcairo;epsqt;pdfqt;qtwidget;bmpqt;jpgqt;pngqt;ppmqt;tiffqt;extqt;memqt;svgqt;mem;null;ps;svg;wxwidgets;xfig;xwin > > Library options: > BUILD_SHARED_LIBS: ON PL_DOUBLE: ON > > Optional libraries: > PL_HAVE_QHULL: ON WITH_CSA: ON > PL_HAVE_FREETYPE: PL_HAVE_PTHREAD: ON > HAVE_AGG: HAVE_SHAPELIB: ON > > Language Bindings: > ENABLE_ada: OFF > ENABLE_cxx: ON > ENABLE_d: OFF > ENABLE_f95: ON > ENABLE_java: OFF > ENABLE_lua: OFF > ENABLE_ocaml: OFF > ENABLE_octave: ON > ENABLE_pdl: OFF > ENABLE_python: ON > ENABLE_qt: ON > ENABLE_pyqt4: OFF > ENABLE_tcl: OFF > ENABLE_itcl: OFF > 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