|  | #ifndef PR_MANAGER_H | 
|  | #define PR_MANAGER_H | 
|  |  | 
|  | #include "qom/object.h" | 
|  | #include "qapi/visitor.h" | 
|  | #include "qom/object_interfaces.h" | 
|  | #include "block/aio.h" | 
|  |  | 
|  | #define TYPE_PR_MANAGER "pr-manager" | 
|  |  | 
|  | OBJECT_DECLARE_TYPE(PRManager, PRManagerClass, | 
|  | PR_MANAGER) | 
|  |  | 
|  | struct sg_io_hdr; | 
|  |  | 
|  | struct PRManager { | 
|  | /* <private> */ | 
|  | Object parent; | 
|  | }; | 
|  |  | 
|  | /** | 
|  | * PRManagerClass: | 
|  | * @parent_class: the base class | 
|  | * @run: callback invoked in thread pool context | 
|  | */ | 
|  | struct PRManagerClass { | 
|  | /* <private> */ | 
|  | ObjectClass parent_class; | 
|  |  | 
|  | /* <public> */ | 
|  | int (*run)(PRManager *pr_mgr, int fd, struct sg_io_hdr *hdr); | 
|  | bool (*is_connected)(PRManager *pr_mgr); | 
|  | }; | 
|  |  | 
|  | bool pr_manager_is_connected(PRManager *pr_mgr); | 
|  | int coroutine_fn pr_manager_execute(PRManager *pr_mgr, AioContext *ctx, int fd, | 
|  | struct sg_io_hdr *hdr); | 
|  |  | 
|  | PRManager *pr_manager_lookup(const char *id, Error **errp); | 
|  |  | 
|  | #endif |