Method timerfd_gettime

source/kernel/kprocess.cpp:2591–2624

}

U32 KProcess::timerfd_gettime(U32 fildes, U32 value) {
    KFileDescriptorPtr fd = getFileDescriptor(fildes);
    if (!fd) {
        return -K_EBADF;
    }
    if (fd->kobject->type != KTYPE_SIGNAL) {
        return -K_EINVAL;
    }
    if (!value) {
        return -K_EFAULT;
    }
    std::shared_ptr<KTimer> timer = std::dynamic_pointer_cast<KTimer>(fd->kobject);
    U64 microNextTimer = timer->getMicroNextTimer();
    U64 microInterval = timer->getMicroInterval();

    memory->writed(value, (U32)(microInterval / 1000000));
    memory->writed(value + 4, (U32)((microInterval % 1000000) * 1000));

    if (!microNextTimer) {
        memory->writed(value + 8, 0);
        memory->writed(value + 12, 0);
    } else {
        U64 currentTime = KSystem::getSystemTimeAsMicroSeconds();
        S64 diff = (S64)microNextTimer - (S64)currentTime;
        if (diff < 0) {
            memory->writed(value + 8, 0);
            memory->writed(value + 12, 0);
        } else {
            memory->writed(value + 8, (U32)(diff / 1000000));
            memory->writed(value + 12, (diff % 1000000) * 1000);
        }
    }
    return 0;
}

user_desc* KProcess::getLDT(U32 index) {
    BOXEDWINE_CRITICAL_SECTION_WITH_MUTEX(ldtMutex);