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| author | Qt Forward Merge Bot <qt_forward_merge_bot@qt-project.org> | 2018-04-10 01:00:25 +0200 |
|---|---|---|
| committer | Qt Forward Merge Bot <qt_forward_merge_bot@qt-project.org> | 2018-04-10 01:00:26 +0200 |
| commit | e027c7241f073f5fc8c1db88700cc83635b6454f (patch) | |
| tree | 69920e408b5eeb1547c0241696cfa845af85e4be /src/corelib/thread/qsemaphore.cpp | |
| parent | b2035d38e8dfdfe2ba8da96df5c1174f01dfbb5b (diff) | |
| parent | 3b85d53913741660473dbc242a48c2ee65d51421 (diff) | |
Merge remote-tracking branch 'origin/5.11' into dev
Change-Id: I0120f804522c0c652e9537b6e9fe08189f071ed2
Diffstat (limited to 'src/corelib/thread/qsemaphore.cpp')
| -rw-r--r-- | src/corelib/thread/qsemaphore.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/corelib/thread/qsemaphore.cpp b/src/corelib/thread/qsemaphore.cpp index 9a5505bd1e..f418ac1205 100644 --- a/src/corelib/thread/qsemaphore.cpp +++ b/src/corelib/thread/qsemaphore.cpp @@ -291,10 +291,14 @@ public: QSemaphore::QSemaphore(int n) { Q_ASSERT_X(n >= 0, "QSemaphore", "parameter 'n' must be non-negative"); - if (futexAvailable()) - u.store(n); - else + if (futexAvailable()) { + quintptr nn = unsigned(n); + if (futexHasWaiterCount) + nn |= quint64(nn) << 32; // token count replicated in high word + u.store(nn); + } else { d = new QSemaphorePrivate(n); + } } /*! |