Mtx.hxx

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#ifndef __xwos_cxx_lock_Mtx_hxx__
#define __xwos_cxx_lock_Mtx_hxx__
 
#include <xwos/osal/lock/mtx.hxx>
#include <xwos/cxx/sync/Cond.hxx>
 
namespace xwos {
namespace lock {
 
class Mtx
{
  public:
    enum LockMode : xwu32_t {
        MtxUnlock = 0, 
        MtxLock, 
        MtxLockTimed, 
        MtxLockUninterruptable, 
        MtxLockTry, 
    };
 
    class Grd
    {
      private:
        Mtx * mMtx;
        xwer_t mRc; 
        enum LockMode mLockMode;
 
      public:
        Grd() = delete;
 
        Grd(Mtx * mtx, enum LockMode mode = LockMode::MtxLock, xwtm_t to = XWTM_MAX);
 
        Grd(Mtx & mtx, enum LockMode mode = LockMode::MtxLock, xwtm_t to = XWTM_MAX);
 
        ~Grd();
 
        void unlock();
 
        xwer_t getRc() { return mRc; }
 
        enum LockMode getLockMode() { return mLockMode; }
 
        xwer_t wait(sync::Cond * cond);
        xwer_t wait(sync::Cond & cond) { return wait(&cond); }
 
        xwer_t wait(sync::Cond * cond, xwtm_t to);
        xwer_t wait(sync::Cond & cond, xwtm_t to) { return wait(&cond, to); }
    };
 
  protected:
    struct xwos_mtx * mMtxPtr;
 
  protected:
    Mtx() : mMtxPtr(nullptr) {}
    ~Mtx() { mMtxPtr = nullptr; }
 
  public:
    struct xwos_mtx * getXwosObj() { return mMtxPtr; }
};
 
} // namespace lock
} // namespace xwos
 
#endif /* xwos/cxx/lock/Mtx.hxx */