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#pragma once
#include "Win32.h"
namespace util {
/**
* A simple lock. Allows recursive entry.
*/
class Lock : NoCopy {
public:
// Create.
Lock();
// Destroy.
~Lock();
// Lock the lock, and make sure it is automatically unlocked at the end of the scope.
class L {
public:
L(Lock &l);
L(Lock *l);
~L();
private:
L(const L &);
L &operator =(const L &);
Lock *l;
};
// Manual lock and unlock (required in some cases).
void lock();
void unlock();
private:
Lock(const Lock &o);
Lock &operator =(const Lock &o);
// Underlying implementation.
#if defined(WINDOWS)
CRITICAL_SECTION cs;
#elif defined(POSIX)
pthread_mutex_t cs;
#endif
};
}
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