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#ifndef __LOCKSMITH_H__
#define __LOCKSMITH_H__
#include <Exceptions.h>
#include <Atomic.h>
/*!
The locker class, if it exists, will be used to produce interlocking
inside the nested classes when needed. Define it if you're going to build
a real threaded software with Baltisot.
*/
class locker_t : public Base {
public:
virtual void lock() {}
virtual void unlock() {}
};
class LockSmith : public Base {
public:
LockSmith() { GlobalLockSmith = this; }
static locker_t * SpawnLock() { return GlobalLockSmith->SpawnSpecificLock(); }
protected:
virtual locker_t * SpawnSpecificLock() { return new locker_t(); }
static LockSmith * GlobalLockSmith;
};
class iLock : public Base {
public:
iLock() { }
~iLock() { if (locker) delete(locker); }
void lock() {
if (LIKELY(locker)) {
locker->lock();
} else {
locker = LockSmith::SpawnLock();
locker->lock();
}
}
void unlock() { locker->unlock(); }
private:
locker_t * locker;
};
#endif
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