source: benchmark/mutexStmt/cppLock.hpp @ a5d1fe7

enumforall-pointer-decay
Last change on this file since a5d1fe7 was a5d1fe7, checked in by caparsons <caparson@…>, 8 months ago

added mutexStmt benchmarks

  • Property mode set to 100644
File size: 434 bytes
Line 
1class cpp_test_spinlock {
2        volatile bool lockBool = 0;
3
4  public:
5        inline void lock() {
6                for ( ;; ) {
7                        if ( (this->lockBool == 0) && (__atomic_test_and_set( &this->lockBool, __ATOMIC_ACQUIRE ) == 0) ) break;
8                }
9        }
10
11        inline bool try_lock() {
12                return (this->lockBool == 0) && (__atomic_test_and_set( &this->lockBool, __ATOMIC_ACQUIRE ) == 0);
13        }
14
15        inline void unlock() {
16                __atomic_clear( &this->lockBool, __ATOMIC_RELEASE );
17        }
18};
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