Br.hxx

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#ifndef __xwos_cxx_sync_Br_hxx__
#define __xwos_cxx_sync_Br_hxx__
 
#include <xwos/cxx/Bmp.hxx>
#include <xwos/cxx/sync/Sel.hxx>
 
extern "C" {
#include <xwos/osal/sync/br.h>
}
 
namespace xwos {
namespace sync {
 
template<xwsz_t TNum>
class Br
{
  public:
    enum WaitMode : xwu32_t {
        BrWait = 0, 
        BrWaitTimed, 
        BrWaitUninterruptable, 
    };
 
  protected:
    struct xwos_br * mBrPtr;
 
  protected:
    Br() : mBrPtr(nullptr) {}
    ~Br() { mBrPtr = nullptr; }
 
  public:
    xwsz_t num() { return TNum; }
 
    xwer_t wait(enum WaitMode mode, xwtm_t to)
    {
        xwer_t rc;
        switch (mode) {
            case WaitMode::BrWait:
                rc = xwos_br_wait(mBrPtr);
                break;
            case WaitMode::BrWaitTimed:
                rc = xwos_br_wait_to(mBrPtr, to);
                break;
            case WaitMode::BrWaitUninterruptable:
                rc = xwos_br_wait_unintr(mBrPtr);
                break;
            default:
                rc = xwos_br_wait(mBrPtr);
                break;
        }
        return rc;
    }
 
    template<xwsz_t TSelNum>
    xwer_t bind(Sel<TSelNum> * sel, long pos)
    {
        return xwos_br_bind(mBrPtr, sel->getXwosObj(), (xwsq_t)pos);
    }
 
    template<xwsz_t TSelNum>
    xwer_t bind(Sel<TSelNum> & sel, long pos)
    {
        return xwos_br_bind(mBrPtr, sel.getXwosObj(), (xwsq_t)pos);
    }
 
    template<xwsz_t TSelNum>
    xwer_t unbind(Sel<TSelNum> * sel)
    {
        return xwos_br_unbind(mBrPtr, sel->getXwosObj());
    }
 
    template<xwsz_t TSelNum>
    xwer_t unbind(Sel<TSelNum> & sel)
    {
        return xwos_br_unbind(mBrPtr, sel.getXwosObj());
    }
 
    struct xwos_br * getXwosObj() { return mBrPtr; }
};
 
} // namespace sync
} // namespace xwos
 
#endif /* xwos/cxx/sync/Br.hxx */