[Kst] [Bug 135176] New: deadlock on exit with specific file

[George Staikos]

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http://bugs.kde.org/show_bug.cgi?id=135176         
           Summary: deadlock on exit with specific file
           Product: kst
           Version: svn-trunk
          Platform: Compiled Sources
        OS/Version: Linux
            Status: NEW
          Severity: grave
          Priority: NOR
         Component: general
        AssignedTo: kst kde org
        ReportedBy: staikos kde org


in #135049 the file can cause a deadlock on exit:

#4  0x420d9676 in pthread_cond_wait  GLIBC_2 3 2 ()
   from /lib/tls/libpthread.so.0
#5  0x40ad56ad in KstWaitCondition::wait (this=0x40b0c15c, mutex=0x40b0c14c,
    time=4294967295)
    at kst/src/libkst/kstwaitcondition_unix.cpp:309
#6  0x40a97ea5 in KstRWLock::writeLock (this=0x40b0c148)
    at kst/src/libkst/rwlock.cpp:93
#7  0x40425aa0 in KstDoc::deleteContents (this=0x8205ab0)
    at kst/src/libkstapp/kstdoc.cpp:803
#8  0x4041a2c0 in ~KstDoc (this=0x8205ab0)
    at kst/src/libkstapp/kstdoc.cpp:90
#9  0x419b7dae in ~QWidget (this=0x82074f0) at qwidget.cpp:973
#10 0x41a84a65 in ~QMainWindow (this=0x82074f0) at qmainwindow.cpp:917
#11 0x411bd374 in KMainWindow::~KMainWindow () at qcstring.h:65
#12 0x4125e4ad in KDockMainWindow::~KDockMainWindow () at qcstring.h:65
#13 0x40c35a6b in KParts::DockMainWindow::~DockMainWindow ()
   from /opt/kde-devel/lib/libkparts.so.2
#14 0x40bde391 in KMdiMainFrm::~KMdiMainFrm ()
   from /opt/kde-devel/lib/libkmdi.so.1
#15 0x404ab0e2 in ~KstApp (this=0x82074f0)
    at kst/src/libkstapp/kst.cpp:258
#16 0x0805e4d4 in main (argc=2, argv=0xbffff294)
    at kst/src/kst/main.cpp:821