RefCount.cpp

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#include <shogun/lib/RefCount.h>

using namespace shogun;

int32_t RefCount::ref()
{
#ifdef HAVE_CXX11_ATOMIC
    int32_t count = rc.fetch_add(1)+1;
#else
    lock.lock();
    int32_t count = ++rc;
    lock.unlock();
#endif

    return count;
}

int32_t RefCount::unref()
{
#ifdef HAVE_CXX11_ATOMIC
    int32_t count = rc.fetch_sub(1)-1;
#else
    lock.lock();
    int32_t count = --rc;
    lock.unlock();
#endif

    return count;
}

int32_t RefCount::ref_count()
{
#ifdef HAVE_CXX11_ATOMIC
    int32_t count = rc.load();
#else
    lock.lock();
    int32_t count = rc;
    lock.unlock();
#endif

    return count;
}