From 0629b78d815ce6a0b65aecc02fb18a122226274c Mon Sep 17 00:00:00 2001 From: Luke Shumaker Date: Wed, 25 May 2016 23:32:14 -0400 Subject: stuff --- src/libshared/machine-image.h | 77 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 src/libshared/machine-image.h (limited to 'src/libshared/machine-image.h') diff --git a/src/libshared/machine-image.h b/src/libshared/machine-image.h new file mode 100644 index 0000000000..31b720d50c --- /dev/null +++ b/src/libshared/machine-image.h @@ -0,0 +1,77 @@ +#pragma once + +/*** + This file is part of systemd. + + Copyright 2014 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see . +***/ + +#include +#include + +#include "hashmap.h" +#include "lockfile-util.h" +#include "macro.h" +#include "time-util.h" + +typedef enum ImageType { + IMAGE_DIRECTORY, + IMAGE_SUBVOLUME, + IMAGE_RAW, + _IMAGE_TYPE_MAX, + _IMAGE_TYPE_INVALID = -1 +} ImageType; + +typedef struct Image { + ImageType type; + char *name; + char *path; + bool read_only; + + usec_t crtime; + usec_t mtime; + + uint64_t usage; + uint64_t usage_exclusive; + uint64_t limit; + uint64_t limit_exclusive; + + void *userdata; +} Image; + +Image *image_unref(Image *i); +void image_hashmap_free(Hashmap *map); + +DEFINE_TRIVIAL_CLEANUP_FUNC(Image*, image_unref); +DEFINE_TRIVIAL_CLEANUP_FUNC(Hashmap*, image_hashmap_free); + +int image_find(const char *name, Image **ret); +int image_discover(Hashmap *map); + +int image_remove(Image *i); +int image_rename(Image *i, const char *new_name); +int image_clone(Image *i, const char *new_name, bool read_only); +int image_read_only(Image *i, bool b); + +const char* image_type_to_string(ImageType t) _const_; +ImageType image_type_from_string(const char *s) _pure_; + +bool image_name_is_valid(const char *s) _pure_; + +int image_path_lock(const char *path, int operation, LockFile *global, LockFile *local); +int image_name_lock(const char *name, int operation, LockFile *ret); + +int image_set_limit(Image *i, uint64_t referenced_max); -- cgit v1.2.3-54-g00ecf