Esempi in C++ (Cpp) per ghost_file_entry__free_unpacked

Esempio n. 1

File: files-reg.c Progetto: adrianreber/criu

static int open_remap_ghost(struct reg_file_info *rfi,
					RemapFilePathEntry *rfe)
{
	struct ghost_file *gf = container_of(rfi->remap, struct ghost_file, remap);
	GhostFileEntry *gfe = NULL;
	struct cr_img *img;

	if (rfi->remap->rpath[0])
		return 0;

	img = open_image(CR_FD_GHOST_FILE, O_RSTR, rfe->remap_id);
	if (!img)
		goto err;

	if (pb_read_one(img, &gfe, PB_GHOST_FILE) < 0)
		goto close_ifd;

	/*
	 * For old formats where optional has_[dev|ino] is
	 * not present we will have zeros here which is quite
	 * a sign for "absent" fields.
	 */
	gf->dev = gfe->dev;
	gf->ino = gfe->ino;
	gf->remap.rmnt_id = rfi->rfe->mnt_id;

	if (S_ISDIR(gfe->mode))
		strncpy(gf->remap.rpath, rfi->path, PATH_MAX);
	else
		ghost_path(gf->remap.rpath, PATH_MAX, rfi, rfe);

	if (create_ghost(gf, gfe, img))
		goto close_ifd;

	close_image(img);

	gf->remap.is_dir = S_ISDIR(gfe->mode);
	gf->remap.uid = gfe->uid;
	gf->remap.gid = gfe->gid;
	ghost_file_entry__free_unpacked(gfe, NULL);

	return 0;

close_ifd:
	close_image(img);
err:
	if (gfe)
		ghost_file_entry__free_unpacked(gfe, NULL);
	return -1;
}

Esempio n. 2

File: files-reg.c Progetto: 8472/criu

static int open_remap_ghost(struct reg_file_info *rfi,
		RemapFilePathEntry *rfe)
{
	struct ghost_file *gf;
	GhostFileEntry *gfe = NULL;
	struct cr_img *img;

	list_for_each_entry(gf, &ghost_files, list)
		if (gf->id == rfe->remap_id)
			goto gf_found;

	/*
	 * Ghost not found. We will create one in the same dir
	 * as the very first client of it thus resolving any
	 * issues with cross-device links.
	 */

	pr_info("Opening ghost file %#x for %s\n", rfe->remap_id, rfi->path);

	gf = shmalloc(sizeof(*gf));
	if (!gf)
		return -1;

	gf->remap.rpath = xmalloc(PATH_MAX);
	if (!gf->remap.rpath)
		goto err;

	img = open_image(CR_FD_GHOST_FILE, O_RSTR, rfe->remap_id);
	if (!img)
		goto err;

	if (pb_read_one(img, &gfe, PB_GHOST_FILE) < 0)
		goto close_ifd;

	/*
	 * For old formats where optional has_[dev|ino] is
	 * not present we will have zeros here which is quite
	 * a sign for "absent" fields.
	 */
	gf->dev = gfe->dev;
	gf->ino = gfe->ino;
	gf->remap.rmnt_id = rfi->rfe->mnt_id;

	if (S_ISDIR(gfe->mode))
		strncpy(gf->remap.rpath, rfi->path, PATH_MAX);
	else
		ghost_path(gf->remap.rpath, PATH_MAX, rfi, rfe);

	if (create_ghost(gf, gfe, img))
		goto close_ifd;

	ghost_file_entry__free_unpacked(gfe, NULL);
	close_image(img);

	gf->id = rfe->remap_id;
	gf->remap.users = 0;
	gf->remap.is_dir = S_ISDIR(gfe->mode);
	gf->remap.owner = gfe->uid;
	list_add_tail(&gf->list, &ghost_files);
gf_found:
	rfi->remap = &gf->remap;
	return 0;

close_ifd:
	close_image(img);
err:
	if (gfe)
		ghost_file_entry__free_unpacked(gfe, NULL);
	xfree(gf->remap.rpath);
	shfree_last(gf);
	return -1;
}