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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: Open
    • Priority: Not Evaluated
    • Resolution: Unresolved
    • 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.py
          0.8 kB
        6. pyside-164-c++.tar.gz
          0.9 kB
        7. pyside-164-deadlock.py
          0.7 kB

          Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. PYSIDE-813 Hard crash when emitting signal with argument into QThread

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Reported
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            Activity

              People

              • Assignee:
                jpe John Ehresman
                Reporter:
                sebek Sebastian Dominik
              • Votes:
                3 Vote for this issue
                Watchers:
                11 Start watching this issue

                Dates

                • Created:
                  Updated:

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