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39 
40 #ifndef QRANDOM_P_H
41 #define QRANDOM_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include "qglobal_p.h"
55 #include <private/qsimd_p.h>
56 
57 QT_BEGIN_NAMESPACE
58 
59 enum QRandomGeneratorControl {
60     UseSystemRNG = 1,
61     SkipSystemRNG = 2,
62     SkipHWRNG = 4,
63     SetRandomData = 8,
64 
65     // 28 bits
66     RandomDataMask = 0xfffffff0
67 };
68 
69 enum RNGType {
70     SystemRNG = 0,
71     MersenneTwister = 1
72 };
73 
74 #if defined(QT_BUILD_INTERNAL) && defined(QT_BUILD_CORE_LIB)
75 Q_CORE_EXPORT QBasicAtomicInteger<uint> qt_randomdevice_control = Q_BASIC_ATOMIC_INITIALIZER(0U);
76 #elif defined(QT_BUILD_INTERNAL)
77 extern Q_CORE_EXPORT QBasicAtomicInteger<uint> qt_randomdevice_control;
78 #else
79 static const struct {
loadAcquire__anonfafcc427010880     uint loadAcquire() const { return 0; }
81 } qt_randomdevice_control;
82 #endif
83 
84 
85 
86 QT_END_NAMESPACE
87 
88 #endif // QRANDOM_P_H
89