JES XCF provides recovery for the exit routine. If recovery occurs, any resources held by the exit routine are not freed.

If the exit routine fails during attach processing, attach processing continues. Any storage area obtained by the exit, however, is unavailable to exits IXZXIT01 and IXZXIT02.

If the exit routine fails during detach processing, detach processing continues. Any storage area obtained by the exit during attach processing will not be freed.