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| author | Colin Walters <walters@verbum.org> | 2015-05-04 18:35:52 -0400 |
|---|---|---|
| committer | Colin Walters <walters@verbum.org> | 2015-05-05 08:52:44 -0400 |
| commit | 9ef98fd05a335834b3ecb005d820be19784764d8 (patch) | |
| tree | 2ea2810444e05a64d29dd8b919d50a93a63c3334 /src/libostree/ostree-sysroot.h | |
| parent | 33b06675976e5a353cff29bbf5622f7fd7565c27 (diff) | |
| download | ostree-9ef98fd05a335834b3ecb005d820be19784764d8.tar.gz | |
sysroot: Add an API to lock
If a system administrator happens to type `ostree admin upgrade`
multiple times, currently that will lead to a potentially corrupted
system.
I originally attempted to do locking *internally* in `libostree`, but
that didn't work out because currently a number of the commands
perform multi-step operations that all need to be serialized. All of
the current code in `ostree admin deploy` is an example.
Therefore, allow callers to perform locking, as most of the higher
level logic is presently implemented there.
At some point, we can revisit having internal locking, but it will be
difficult. A more likely approach would be similar to Java's approach
with concurrency on iterators - a "fail fast" method.
Diffstat (limited to 'src/libostree/ostree-sysroot.h')
| -rw-r--r-- | src/libostree/ostree-sysroot.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libostree/ostree-sysroot.h b/src/libostree/ostree-sysroot.h index fe6441fb..e7f6e482 100644 --- a/src/libostree/ostree-sysroot.h +++ b/src/libostree/ostree-sysroot.h @@ -62,6 +62,9 @@ char *ostree_sysroot_get_deployment_dirpath (OstreeSysroot *self, GFile * ostree_sysroot_get_deployment_origin_path (GFile *deployment_path); +gboolean ostree_sysroot_lock (OstreeSysroot *self, GError **error); +void ostree_sysroot_unlock (OstreeSysroot *self); + gboolean ostree_sysroot_cleanup (OstreeSysroot *self, GCancellable *cancellable, GError **error); |