diff options
author | Oliver Wolff <oliver.wolff@qt.io> | 2018-03-27 14:05:35 +0200 |
---|---|---|
committer | Oliver Wolff <oliver.wolff@qt.io> | 2018-04-09 06:48:48 +0000 |
commit | 4e74494c7e3e80206221c3a70fc2338107b68c7c (patch) | |
tree | 14d72ffff2fd3c0aa35af15d90ba1733f5958d41 /src/winmain | |
parent | e759d38d491d9044a0558b1d45911e3b4115e772 (diff) |
qtmain_winrt: Protect debug message handler with mutex
The code can be accessed from several threads and thus should be
protected.
Change-Id: I38c67c5d0f9b1658da1d0ae45d3ea79bbe4e8dff
Reviewed-by: MÃ¥rten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Miguel Costa <miguel.costa@qt.io>
Reviewed-by: Andre de la Rocha <andre.rocha@qt.io>
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>
Diffstat (limited to 'src/winmain')
-rw-r--r-- | src/winmain/qtmain_winrt.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/winmain/qtmain_winrt.cpp b/src/winmain/qtmain_winrt.cpp index b072248603..57724b0d36 100644 --- a/src/winmain/qtmain_winrt.cpp +++ b/src/winmain/qtmain_winrt.cpp @@ -69,6 +69,7 @@ extern "C" { #include <qstandardpaths.h> #include <qfunctions_winrt.h> #include <qcoreapplication.h> +#include <qmutex.h> #include <wrl.h> #include <Windows.ApplicationModel.core.h> @@ -92,6 +93,10 @@ static void devMessageHandler(QtMsgType type, const QMessageLogContext &context, { static HANDLE shmem = 0; static HANDLE event = 0; + + static QMutex messageMutex; + QMutexLocker locker(&messageMutex); + if (!shmem) shmem = CreateFileMappingFromApp(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 4096, L"qdebug-shmem"); if (!event) @@ -108,6 +113,7 @@ static void devMessageHandler(QtMsgType type, const QMessageLogContext &context, message.data(), (message.length() + 1) * sizeof(wchar_t)); UnmapViewOfFile(data); SetEvent(event); + locker.unlock(); defaultMessageHandler(type, context, message); } |