criu: hide unnecessary symbols

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/criu.h b/src/lxc/criu.h
index 3411542aee9c86c6e86c4398e26513d11361500f..2e0ca7febb4acafd6a7968704715a94e09cfa2f2 100644 (file)
--- a/src/lxc/criu.h
+++ b/src/lxc/criu.h
@@ -7,9 +7,9 @@
 
 #include <lxc/lxccontainer.h>
 
-extern bool __criu_pre_dump(struct lxc_container *c, struct migrate_opts *opts);
-extern bool __criu_dump(struct lxc_container *c, struct migrate_opts *opts);
-extern bool __criu_restore(struct lxc_container *c, struct migrate_opts *opts);
-extern bool __criu_check_feature(uint64_t *features_to_check);
+__hidden extern bool __criu_pre_dump(struct lxc_container *c, struct migrate_opts *opts);
+__hidden extern bool __criu_dump(struct lxc_container *c, struct migrate_opts *opts);
+__hidden extern bool __criu_restore(struct lxc_container *c, struct migrate_opts *opts);
+__hidden extern bool __criu_check_feature(uint64_t *features_to_check);
 
 #endif