From 795c40b8bdbe3fd04bb976416e1bdcf5e3fe997e Mon Sep 17 00:00:00 2001 From: Juan Quintela Date: Thu, 6 Apr 2017 12:00:28 +0200 Subject: migration: Create migration/blocker.h This allows us to remove lots of includes of migration/migration.h Signed-off-by: Juan Quintela Reviewed-by: Peter Xu Reviewed-by: Dr. David Alan Gilbert --- include/migration/blocker.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 include/migration/blocker.h (limited to 'include/migration/blocker.h') diff --git a/include/migration/blocker.h b/include/migration/blocker.h new file mode 100644 index 0000000000..acd27018e9 --- /dev/null +++ b/include/migration/blocker.h @@ -0,0 +1,35 @@ +/* + * QEMU migration blockers + * + * Copyright IBM, Corp. 2008 + * + * Authors: + * Anthony Liguori + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + */ + +#ifndef MIGRATION_BLOCKER_H +#define MIGRATION_BLOCKER_H + +/** + * @migrate_add_blocker - prevent migration from proceeding + * + * @reason - an error to be returned whenever migration is attempted + * + * @errp - [out] The reason (if any) we cannot block migration right now. + * + * @returns - 0 on success, -EBUSY/-EACCES on failure, with errp set. + */ +int migrate_add_blocker(Error *reason, Error **errp); + +/** + * @migrate_del_blocker - remove a blocking error from migration + * + * @reason - the error blocking migration + */ +void migrate_del_blocker(Error *reason); + +#endif -- cgit v1.2.3