C++ (Cpp) virNodeDeviceHasCap Exemples

Exemple #1

Fichier : node_device_driver.c Projet : FrankYu/libvirt

int
nodeNumOfDevices(virConnectPtr conn,
                 const char *cap,
                 unsigned int flags)
{
    int ndevs = 0;
    size_t i;

    if (virNodeNumOfDevicesEnsureACL(conn) < 0)
        return -1;

    virCheckFlags(0, -1);

    nodeDeviceLock();
    for (i = 0; i < driver->devs.count; i++) {
        virNodeDeviceObjPtr obj = driver->devs.objs[i];
        virNodeDeviceObjLock(obj);
        if (virNodeNumOfDevicesCheckACL(conn, obj->def) &&
            ((cap == NULL) ||
             virNodeDeviceHasCap(obj, cap)))
            ++ndevs;
        virNodeDeviceObjUnlock(obj);
    }
    nodeDeviceUnlock();

    return ndevs;
}

Exemple #2

Fichier : node_device_driver.c Projet : rbu/libvirt

static int
nodeListDevices(virConnectPtr conn,
                const char *cap,
                char **const names, int maxnames,
                unsigned int flags ATTRIBUTE_UNUSED)
{
    virDeviceMonitorStatePtr driver = conn->devMonPrivateData;
    int ndevs = 0;
    unsigned int i;

    nodeDeviceLock(driver);
    for (i = 0; i < driver->devs.count && ndevs < maxnames; i++) {
        virNodeDeviceObjLock(driver->devs.objs[i]);
        if (cap == NULL ||
            virNodeDeviceHasCap(driver->devs.objs[i], cap)) {
            if ((names[ndevs++] = strdup(driver->devs.objs[i]->def->name)) == NULL) {
                virNodeDeviceObjUnlock(driver->devs.objs[i]);
                virReportOOMError();
                goto failure;
            }
        }
        virNodeDeviceObjUnlock(driver->devs.objs[i]);
    }
    nodeDeviceUnlock(driver);

    return ndevs;

 failure:
    nodeDeviceUnlock(driver);
    --ndevs;
    while (--ndevs >= 0)
        VIR_FREE(names[ndevs]);
    return -1;
}

Exemple #3

Fichier : node_device_driver.c Projet : rbu/libvirt

static int nodeNumOfDevices(virConnectPtr conn,
                            const char *cap,
                            unsigned int flags ATTRIBUTE_UNUSED)
{
    virDeviceMonitorStatePtr driver = conn->devMonPrivateData;
    int ndevs = 0;
    unsigned int i;

    nodeDeviceLock(driver);
    for (i = 0; i < driver->devs.count; i++) {
        virNodeDeviceObjLock(driver->devs.objs[i]);
        if ((cap == NULL) ||
            virNodeDeviceHasCap(driver->devs.objs[i], cap))
            ++ndevs;
        virNodeDeviceObjUnlock(driver->devs.objs[i]);
    }
    nodeDeviceUnlock(driver);

    return ndevs;
}

Exemple #4

Fichier : node_device_driver.c Projet : 6WIND/libvirt

int
nodeListDevices(virConnectPtr conn,
                const char *cap,
                char **const names, int maxnames,
                unsigned int flags)
{
    virNodeDeviceDriverStatePtr driver = conn->nodeDevicePrivateData;
    int ndevs = 0;
    size_t i;

    if (virNodeListDevicesEnsureACL(conn) < 0)
        return -1;

    virCheckFlags(0, -1);

    nodeDeviceLock(driver);
    for (i = 0; i < driver->devs.count && ndevs < maxnames; i++) {
        virNodeDeviceObjPtr obj = driver->devs.objs[i];
        virNodeDeviceObjLock(obj);
        if (virNodeListDevicesCheckACL(conn, obj->def) &&
            (cap == NULL ||
             virNodeDeviceHasCap(obj, cap))) {
            if (VIR_STRDUP(names[ndevs++], obj->def->name) < 0) {
                virNodeDeviceObjUnlock(obj);
                goto failure;
            }
        }
        virNodeDeviceObjUnlock(obj);
    }
    nodeDeviceUnlock(driver);

    return ndevs;

 failure:
    nodeDeviceUnlock(driver);
    --ndevs;
    while (--ndevs >= 0)
        VIR_FREE(names[ndevs]);
    return -1;
}