Exemplo n.º 1
0
int ThreadImpl::reverseMapPrio(int prio)
{
    int pmin = getMinOSPriorityImpl();
    int pmax = getMaxOSPriorityImpl();
    int normal = pmin + (pmax - pmin)/2;
    if (prio == pmax)
        return PRIO_HIGHEST_IMPL;
    if (prio > normal)
        return PRIO_HIGH_IMPL;
    else if (prio == normal)
        return PRIO_NORMAL_IMPL;
    else if (prio > pmin)
        return PRIO_LOW_IMPL;
    else
        return PRIO_LOWEST_IMPL;
}
Exemplo n.º 2
0
int ThreadImpl::mapPrio(int prio, int policy) {
    int pmin = getMinOSPriorityImpl(policy);
    int pmax = getMaxOSPriorityImpl(policy);

    switch (prio) {
        case PRIO_LOWEST_IMPL:
            return pmin;
        case PRIO_LOW_IMPL:
            return pmin + (pmax - pmin)/4;
        case PRIO_NORMAL_IMPL:
            return pmin + (pmax - pmin)/2;
        case PRIO_HIGH_IMPL:
            return pmin + 3*(pmax - pmin)/4;
        case PRIO_HIGHEST_IMPL:
            return pmax;
        default:
            ;   // BUG: invalid thread priority
    }
    return -1;  // just to satisfy compiler - we'll never get here anyway
}