C++ (Cpp) libxl_childproc_setmode Examples

Example #1

File: xl.c Project: Chong-Li/xen

void xl_ctx_alloc(void) {
    if (libxl_ctx_alloc(&ctx, LIBXL_VERSION, 0, (xentoollog_logger*)logger)) {
        fprintf(stderr, "cannot init xl context\n");
        exit(1);
    }

    libxl_childproc_setmode(ctx, &childproc_hooks, 0);
}

Example #2

File: hyperxl.c Project: BrianMowrey/hyper

int  hyperxl_initialize_driver(hyperxl_driver** pdriver, bool verbose) {

#ifndef LIBXL_HAVE_BUILDINFO_KERNEL

    return -1;

#else

    hyperxl_driver *driver;
    const libxl_version_info* version = NULL;
    uint32_t mem = 0;
    xentoollog_level log_level = XTL_INFO;

    *pdriver = (hyperxl_driver*)malloc(sizeof(hyperxl_driver));
    if ( *pdriver == NULL ) {
        return -1;
    }

    driver = *pdriver;

    if (verbose) {
        log_level = XTL_DEBUG;
    }
    driver->logger = (xentoollog_logger*)xtl_createlogger_hyperxl(log_level, 0);
    if (driver->logger == NULL) {
        goto release_driver;
    }

    if(libxl_ctx_alloc(&driver->ctx, LIBXL_VERSION, 0, driver->logger)) {
        goto close_logger;
    }

    libxl_childproc_setmode(driver->ctx, &libxl_child_hooks, driver->ctx);

    version = libxl_get_version_info(driver->ctx);
    if (version == NULL) {
        goto free_ctx;
    }

    driver->version = version->xen_version_major * 1000000 + version->xen_version_minor * 1000;
    driver->capabilities = strdup(version->capabilities);

    if(libxl_get_free_memory(driver->ctx, &mem)) {
        goto free_ctx;
    }

    libxl_event_register_callbacks(driver->ctx, &ev_hooks, driver);

    return 0;

free_ctx:
    libxl_ctx_free(driver->ctx);
close_logger:
    xtl_logger_destroy(driver->logger);
release_driver:
    free(driver);
    driver = NULL;
    return -1;

#endif //LIBXL_HAVE_BUILDINFO_KERNEL
}