Exemple #1
0
int vboxNetAdpDestroy(PVBOXNETADP pThis)
{
    int rc = VINF_SUCCESS;

    if (!ASMAtomicCmpXchgU32((uint32_t volatile *)&pThis->enmState, kVBoxNetAdpState_Transitional, kVBoxNetAdpState_Active))
        return VERR_INTNET_FLT_IF_BUSY;

    Assert(pThis->iUnit >= 0 && pThis->iUnit < VBOXNETADP_MAX_UNITS);
    vboxNetAdpOsDestroy(pThis);
    vboxNetAdpReleaseUnit(pThis->iUnit);
    pThis->iUnit = -1;
    pThis->szName[0] = '\0';

    ASMAtomicWriteU32((uint32_t volatile *)&pThis->enmState, kVBoxNetAdpState_Invalid);

    return rc;
}
Exemple #2
0
int vboxNetAdpDestroy(PVBOXNETADP pThis)
{
    int rc = VINF_SUCCESS;

    RTSpinlockAcquire(pThis->hSpinlock);
    if (vboxNetAdpGetState(pThis) != kVBoxNetAdpState_Available || pThis->cBusy)
    {
        RTSpinlockRelease(pThis->hSpinlock);
        return VERR_INTNET_FLT_IF_BUSY;
    }
    vboxNetAdpSetState(pThis, kVBoxNetAdpState_Transitional);
    RTSpinlockRelease(pThis->hSpinlock);
    vboxNetAdpRelease(pThis);

    vboxNetAdpOsDestroy(pThis);

    RTSpinlockAcquire(pThis->hSpinlock);
    vboxNetAdpSetState(pThis, kVBoxNetAdpState_Invalid);
    RTSpinlockRelease(pThis->hSpinlock);

    return rc;
}