Mutex.h

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#ifndef OS_WRAPPER_MUTEX_H_INCLUDED
#define OS_WRAPPER_MUTEX_H_INCLUDED
 
#include "Timeout.h"
#include "OSWrapperError.h"
 
namespace OSWrapper {
 
class MutexFactory;
 
void registerMutexFactory(MutexFactory* factory);
 
class Mutex {
protected:
    virtual ~Mutex() {}
 
public:
    static Mutex* create();
 
    static Mutex* create(int priorityCeiling);
 
    static void destroy(Mutex* m);
 
    virtual Error lock() = 0;
 
    virtual Error tryLock() = 0;
 
    virtual Error timedLock(Timeout tmout) = 0;
 
    virtual Error unlock() = 0;
 
};
 
 
class LockGuard {
public:
    struct AdoptLock {};
    static const AdoptLock ADOPT_LOCK; 
 
    explicit LockGuard(Mutex* m);
 
    LockGuard(Mutex* m, AdoptLock adoptLock);
 
    ~LockGuard();
 
private:
    Mutex* m_mutex;
    Error m_lockErr;
 
    LockGuard(const LockGuard&);
    LockGuard& operator=(const LockGuard&);
};
 
}
 
#endif // OS_WRAPPER_MUTEX_H_INCLUDED