Last change
on this file since 486caad was
a5d1fe7,
checked in by caparsons <caparson@…>, 3 years ago
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added mutexStmt benchmarks
|
-
Property mode set to
100644
|
File size:
434 bytes
|
Line | |
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1 | class cpp_test_spinlock { |
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2 | volatile bool lockBool = 0; |
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3 | |
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4 | public: |
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5 | inline void lock() { |
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6 | for ( ;; ) { |
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7 | if ( (this->lockBool == 0) && (__atomic_test_and_set( &this->lockBool, __ATOMIC_ACQUIRE ) == 0) ) break; |
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8 | } |
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9 | } |
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10 | |
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11 | inline bool try_lock() { |
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12 | return (this->lockBool == 0) && (__atomic_test_and_set( &this->lockBool, __ATOMIC_ACQUIRE ) == 0); |
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13 | } |
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14 | |
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15 | inline void unlock() { |
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16 | __atomic_clear( &this->lockBool, __ATOMIC_RELEASE ); |
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17 | } |
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18 | }; |
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