diff options
Diffstat (limited to 'silx/gui/qt/_utils.py')
| -rw-r--r-- | silx/gui/qt/_utils.py | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/silx/gui/qt/_utils.py b/silx/gui/qt/_utils.py index f5915ae..4a7a1c0 100644 --- a/silx/gui/qt/_utils.py +++ b/silx/gui/qt/_utils.py @@ -56,12 +56,16 @@ def silxGlobalThreadPool(): """"Manage an own QThreadPool to avoid issue on Qt5 Windows with the default Qt global thread pool. + A thread pool is create in lazy loading. With a maximum of 4 threads. + Else `qt.Thread.idealThreadCount()` is used. + :rtype: qt.QThreadPool """ global __globalThreadPoolInstance if __globalThreadPoolInstance is None: tp = _qt.QThreadPool() - # This pointless command fixes a segfault with PyQt 5.9.1 on Windows - tp.setMaxThreadCount(tp.maxThreadCount()) + # Setting maxThreadCount fixes a segfault with PyQt 5.9.1 on Windows + maxThreadCount = min(4, tp.maxThreadCount()) + tp.setMaxThreadCount(maxThreadCount) __globalThreadPoolInstance = tp return __globalThreadPoolInstance |