19 lines
324 B
C++
19 lines
324 B
C++
#include <atomic>
|
|
|
|
class spinlock_mutex
|
|
{
|
|
std::atomic_flag flag;
|
|
public:
|
|
spinlock_mutex():
|
|
flag(ATOMIC_FLAG_INIT)
|
|
{}
|
|
void lock()
|
|
{
|
|
while(flag.test_and_set(std::memory_order_acquire));
|
|
}
|
|
void unlock()
|
|
{
|
|
flag.clear(std::memory_order_release);
|
|
}
|
|
};
|