C++ (Cpp) LwRtlSetAffinityThreadAttribute Beispiele

Beispiel #1

Datei: threadpool-epoll.c Projekt: bhanug/likewise-open

static
NTSTATUS
InitEventThread(
    PEPOLL_POOL pPool,
    PLW_THREAD_POOL_ATTRIBUTES pAttrs,
    PEPOLL_THREAD pThread,
    ULONG ulCpu
    )
{
    NTSTATUS status = STATUS_SUCCESS;
    struct epoll_event event;
    pthread_attr_t threadAttr;
    BOOLEAN bThreadAttrInit = FALSE;

    status = LwErrnoToNtStatus(pthread_attr_init(&threadAttr));
    GOTO_ERROR_ON_STATUS(status);
    bThreadAttrInit = TRUE;

    pThread->pPool = pPool;

    status = LwErrnoToNtStatus(pthread_mutex_init(&pThread->Lock, NULL));
    GOTO_ERROR_ON_STATUS(status);

    status = LwErrnoToNtStatus(pthread_cond_init(&pThread->Event, NULL));
    GOTO_ERROR_ON_STATUS(status);

    if (pipe(pThread->SignalFds) < 0)
    {
        status = LwErrnoToNtStatus(errno);
        GOTO_ERROR_ON_STATUS(status);
    }

    SetCloseOnExec(pThread->SignalFds[0]);
    SetCloseOnExec(pThread->SignalFds[1]);

    if ((pThread->EpollFd = epoll_create(MAX_EVENTS)) < 0)
    {
        status = LwErrnoToNtStatus(errno);
        GOTO_ERROR_ON_STATUS(status);
    }

    SetCloseOnExec(pThread->EpollFd);

    memset(&event, 0, sizeof(event));

    /* Add signal fd to epoll set */
    event.events = EPOLLIN;
    event.data.ptr = NULL;

    if (epoll_ctl(pThread->EpollFd, EPOLL_CTL_ADD, pThread->SignalFds[0], &event) < 0)
    {
        ABORT_ON_FATAL_ERRNO(errno);
        status = LwErrnoToNtStatus(errno);
        GOTO_ERROR_ON_STATUS(status);
    }

    RingInit(&pThread->Tasks);

    status = LwRtlSetAffinityThreadAttribute(&threadAttr, ulCpu);
    GOTO_ERROR_ON_STATUS(status);

    if (pAttrs && pAttrs->ulTaskThreadStackSize)
    {
        status = LwErrnoToNtStatus(
            pthread_attr_setstacksize(&threadAttr, pAttrs->ulTaskThreadStackSize));
        GOTO_ERROR_ON_STATUS(status);
    }

    status = LwErrnoToNtStatus(
        pthread_create(
            &pThread->Thread,
            &threadAttr,
            EventThread,
            pThread));
    GOTO_ERROR_ON_STATUS(status);

error:

    if (bThreadAttrInit)
    {
        pthread_attr_destroy(&threadAttr);
    }

    return status;
}

Beispiel #2

Datei: threadpool-kqueue.c Projekt: FarazShaikh/LikewiseSMB2

static
NTSTATUS
InitEventThread(
    PKQUEUE_POOL pPool,
    PLW_THREAD_POOL_ATTRIBUTES pAttrs,
    PKQUEUE_THREAD pThread,
    ULONG ulCpu
    )
{
    NTSTATUS status = STATUS_SUCCESS;
    struct kevent event;
    pthread_attr_t threadAttr;
    BOOLEAN bThreadAttrInit = FALSE;

    status = LwErrnoToNtStatus(pthread_attr_init(&threadAttr));
    GOTO_ERROR_ON_STATUS(status);
    bThreadAttrInit = TRUE;

    pThread->pPool = pPool;

    status = LwErrnoToNtStatus(pthread_mutex_init(&pThread->Lock, NULL));
    GOTO_ERROR_ON_STATUS(status);

    status = LwErrnoToNtStatus(pthread_cond_init(&pThread->Event, NULL));
    GOTO_ERROR_ON_STATUS(status);

    if (pipe(pThread->SignalFds) < 0)
    {
        status = LwErrnoToNtStatus(errno);
        GOTO_ERROR_ON_STATUS(status);
    }

    SetCloseOnExec(pThread->SignalFds[0]);
    SetCloseOnExec(pThread->SignalFds[1]);

    if ((pThread->KqueueFd = kqueue()) < 0)
    {
        status = LwErrnoToNtStatus(errno);
        GOTO_ERROR_ON_STATUS(status);
    }

    SetCloseOnExec(pThread->KqueueFd);

    /* Add signal fd to kqueue set */
    EV_SET(&event, pThread->SignalFds[0], EVFILT_READ, EV_ADD, 0, 0, NULL);
   
    if (kevent(pThread->KqueueFd, &event, 1, NULL, 0, NULL) < 0)
    {
        status = LwErrnoToNtStatus(errno);
        GOTO_ERROR_ON_STATUS(status);
    }

    RingInit(&pThread->Tasks);

    status = LwRtlSetAffinityThreadAttribute(&threadAttr, ulCpu);
    GOTO_ERROR_ON_STATUS(status);

    if (pAttrs && pAttrs->ulTaskThreadStackSize)
    {
        status = LwErrnoToNtStatus(
            pthread_attr_setstacksize(&threadAttr, pAttrs->ulTaskThreadStackSize));
        GOTO_ERROR_ON_STATUS(status);
    }

    status = LwErrnoToNtStatus(
        pthread_create(
            &pThread->Thread,
            &threadAttr,
            EventThread,
            pThread));
    GOTO_ERROR_ON_STATUS(status);

error:

    if (bThreadAttrInit)
    {
        pthread_attr_destroy(&threadAttr);
    }

    return status;
}