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  1. Qt for Python
  2. PYSIDE-164

Program hangs when emitting a signal with Qt.BlockingQueuedConnection

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Details

    • Bug
    • Resolution: Fixed
    • P2: Important
    • 1.2.3
    • 1.1.1, 1.1.2
    • PySide
    • None
    • Python 2.6, PySide 1.1.2, Windows 7 32 bit.
      Python 3.2, PySide 1.1.0, Linux 64 bit.
      Python 3.6 PySide2 5.12.4, Winddows 10 64 bit

    Description

      Emitting a signal causes the application to hang (deadlock?), when used with Qt.BlockingQueuedConnection.

      Minimal example is attached to illustrate the issue.

      Attachments

        1. deadlock.patch
          2 kB
        2. deadlock.patch
          0.6 kB
        3. globalreceiverv2_deadlock.txt
          71 kB
        4. pyside164_sleep.py
          0.8 kB
        5. pyside164_widget_stack.txt~
          42 kB
        6. pyside164_widgets.py
          2 kB
        7. pyside164.py
          1 kB
        8. pyside-164-c++.tar.gz
          0.9 kB
        9. pyside-164-deadlock.py
          0.7 kB

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. PYSIDE-2098 Memory leak in Pyside signal when connected to QML slot

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Closed
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          Activity

            People

              ctismer Christian Tismer
              sebek Sebastian Dominik
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              3 Vote for this issue
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              11 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

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