diff options
Diffstat (limited to 'src/qml/debugger/qqmldebug.cpp')
| -rw-r--r-- | src/qml/debugger/qqmldebug.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/qml/debugger/qqmldebug.cpp b/src/qml/debugger/qqmldebug.cpp index 58b8ea2c4f..0ca56f3a70 100644 --- a/src/qml/debugger/qqmldebug.cpp +++ b/src/qml/debugger/qqmldebug.cpp @@ -44,17 +44,26 @@ #include <private/qqmlengine_p.h> #include <private/qv4compileddata_p.h> +#include <atomic> #include <cstdio> QT_REQUIRE_CONFIG(qml_debug); QT_BEGIN_NAMESPACE +#if __cplusplus >= 202002L +# define Q_ATOMIC_FLAG_INIT {} +#else +# define Q_ATOMIC_FLAG_INIT ATOMIC_FLAG_INIT // deprecated in C++20 +#endif + +static std::atomic_flag s_printedWarning = Q_ATOMIC_FLAG_INIT; + QQmlDebuggingEnabler::QQmlDebuggingEnabler(bool printWarning) { - if (!QQmlEnginePrivate::qml_debugging_enabled && printWarning) + if (printWarning && !s_printedWarning.test_and_set(std::memory_order_relaxed)) fprintf(stderr, "QML debugging is enabled. Only use this in a safe environment.\n"); - QQmlEnginePrivate::qml_debugging_enabled = true; + QQmlEnginePrivate::qml_debugging_enabled.store(true, std::memory_order_relaxed); } /*! |