mutex_w32.cpp

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/*****************************************************************************
** Platform Check
*****************************************************************************/

#include <ecl/config/ecl.hpp>
#if defined(ECL_IS_WIN32)

/*****************************************************************************
** Includes
*****************************************************************************/

#include <ecl/exceptions/standard_exception.hpp>
#include "../../include/ecl/threads/mutex_w32.hpp"

/*****************************************************************************
** Namespaces
*****************************************************************************/

namespace ecl {

/*****************************************************************************
* Mutex Class Methods
*****************************************************************************/

Mutex::Mutex(const bool locked) : number_locks(0)  {

        InitializeCriticalSection(&mutex); // has no return value
        if ( locked ) {
                this->lock();
        }
};

Mutex::~Mutex() {
        DeleteCriticalSection(&mutex); // has no return value
}

void Mutex::lock() {
    ++number_locks;
    EnterCriticalSection(&mutex); // has no return value
};

bool Mutex::trylock(Duration &duration) {
        return trylock();
};

bool Mutex::trylock() {
        int result = TryEnterCriticalSection(&mutex);
        if ( result == 0 ) {
                return false;
        } else {
                ++number_locks;
                return true;
        }
};


void Mutex::unlock()
{
    --number_locks;
    LeaveCriticalSection( &mutex );
};

}; // namespace ecl

#endif /* ECL_IS_WIN32 */