Docs: add directory handle header documentation

[lttng-tools.git] / src / common / compat / directory-handle.h

diff --git a/src/common/compat/directory-handle.h b/src/common/compat/directory-handle.h
index fbdc19179e594aa358ec12564b46cdc7aae999fc..6f2df1ba18c2eeb4048f9a636979175456e6ed94 100644 (file)
--- a/src/common/compat/directory-handle.h
+++ b/src/common/compat/directory-handle.h
@@ -32,6 +32,14 @@
 struct lttng_directory_handle {
        int dirfd;
 };
+
+static inline
+int lttng_directory_handle_get_dirfd(
+               const struct lttng_directory_handle *handle)
+{
+       return handle->dirfd;
+}
+
 #else
 struct lttng_directory_handle {
        char *base_path;
@@ -145,4 +153,100 @@ int lttng_directory_handle_create_subdirectory_recursive_as_user(
                const char *subdirectory_path,
                mode_t mode, const struct lttng_credentials *creds);
 
+/*
+ * Open a file descriptor to a path relative to a directory handle.
+ */
+LTTNG_HIDDEN
+int lttng_directory_handle_open_file(
+               const struct lttng_directory_handle *handle,
+               const char *filename,
+               int flags, mode_t mode);
+
+/*
+ * Open a file descriptor to a path relative to a directory handle
+ * as a given user.
+ */
+LTTNG_HIDDEN
+int lttng_directory_handle_open_file_as_user(
+               const struct lttng_directory_handle *handle,
+               const char *filename,
+               int flags, mode_t mode,
+               const struct lttng_credentials *creds);
+
+/*
+ * Unlink a file to a path relative to a directory handle.
+ */
+LTTNG_HIDDEN
+int lttng_directory_handle_unlink_file(
+               const struct lttng_directory_handle *handle,
+               const char *filename);
+
+/*
+ * Unlink a file to a path relative to a directory handle as a given user.
+ */
+LTTNG_HIDDEN
+int lttng_directory_handle_unlink_file_as_user(
+               const struct lttng_directory_handle *handle,
+               const char *filename,
+               const struct lttng_credentials *creds);
+
+/*
+ * Rename a file from a path relative to a directory handle to a new
+ * name relative to another directory handle.
+ */
+LTTNG_HIDDEN
+int lttng_directory_handle_rename(
+               const struct lttng_directory_handle *old_handle,
+               const char *old_name,
+               const struct lttng_directory_handle *new_handle,
+               const char *new_name);
+
+/*
+ * Rename a file from a path relative to a directory handle to a new
+ * name relative to another directory handle as a given user.
+ */
+LTTNG_HIDDEN
+int lttng_directory_handle_rename_as_user(
+               const struct lttng_directory_handle *old_handle,
+               const char *old_name,
+               const struct lttng_directory_handle *new_handle,
+               const char *new_name,
+               const struct lttng_credentials *creds);
+
+/*
+ * Remove a subdirectory relative to a directory handle.
+ */
+LTTNG_HIDDEN
+int lttng_directory_handle_remove_subdirectory(
+               const struct lttng_directory_handle *handle,
+               const char *name);
+
+/*
+ * Remove a subdirectory relative to a directory handle as a given user.
+ */
+LTTNG_HIDDEN
+int lttng_directory_handle_remove_subdirectory_as_user(
+               const struct lttng_directory_handle *handle,
+               const char *name,
+               const struct lttng_credentials *creds);
+
+/*
+ * Remove a subdirectory and remove its contents if it only
+ * consists in empty directories.
+ */
+LTTNG_HIDDEN
+int lttng_directory_handle_remove_subdirectory_recursive(
+               const struct lttng_directory_handle *handle,
+               const char *name);
+
+/*
+ * Remove a subdirectory and remove its contents if it only
+ * consists in empty directories as a given user.
+ */
+LTTNG_HIDDEN
+int lttng_directory_handle_remove_subdirectory_recursive_as_user(
+               const struct lttng_directory_handle *handle,
+               const char *name,
+               const struct lttng_credentials *creds);
+
 #endif /* _COMPAT_PATH_HANDLE_H */