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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

    • Type: Bug
    • Status: Closed
    • Priority: P2: Important
    • Resolution: Fixed
    • Affects Version/s: 1.1.1, 1.1.2
    • Fix Version/s: 1.2.3
    • Component/s: PySide
    • Labels:
      None
    • Environment:
      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
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          Activity

            People

            Assignee:
            ctismer Christian Tismer
            Reporter:
            sebek Sebastian Dominik
            Votes:
            3 Vote for this issue
            Watchers:
            11 Start watching this issue

              Dates

              Created:
              Updated:
              Resolved:

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