mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-09-09 06:36:34 -04:00
40 lines
510 B
C
40 lines
510 B
C
|
#ifndef INCLUDE_SPINLOCK_H
|
||
|
#define INCLUDE_SPINLOCK_H
|
||
|
|
||
|
#include <QAtomicInt>
|
||
|
|
||
|
class Spinlock {
|
||
|
public:
|
||
|
void lock()
|
||
|
{
|
||
|
while(!m_atomic.testAndSetAcquire(0, 1)) ;
|
||
|
}
|
||
|
|
||
|
void unlock()
|
||
|
{
|
||
|
while(!m_atomic.testAndSetRelease(1, 0)) ;
|
||
|
}
|
||
|
|
||
|
protected:
|
||
|
QAtomicInt m_atomic;
|
||
|
};
|
||
|
|
||
|
class SpinlockHolder {
|
||
|
public:
|
||
|
SpinlockHolder(Spinlock* spinlock) :
|
||
|
m_spinlock(spinlock)
|
||
|
{
|
||
|
m_spinlock->lock();
|
||
|
}
|
||
|
|
||
|
~SpinlockHolder()
|
||
|
{
|
||
|
m_spinlock->unlock();
|
||
|
}
|
||
|
|
||
|
protected:
|
||
|
Spinlock* m_spinlock;
|
||
|
};
|
||
|
|
||
|
#endif // INCLUDE_SPINLOCK_H
|