Age         Owner                  TLA  Line data    Source code

                                  1                 : /*
                                  2                 :  * rmgr.h
                                  3                 :  *
                                  4                 :  * Resource managers definition
                                  5                 :  *
                                  6                 :  * src/include/access/rmgr.h
                                  7                 :  */
                                  8                 : #ifndef RMGR_H
                                  9                 : #define RMGR_H
                                 10                 : 
                                 11                 : typedef uint8 RmgrId;
                                 12                 : 
                                 13                 : /*
                                 14                 :  * Built-in resource managers
                                 15                 :  *
                                 16                 :  * The actual numerical values for each rmgr ID are defined by the order
                                 17                 :  * of entries in rmgrlist.h.
                                 18                 :  *
                                 19                 :  * Note: RM_MAX_ID must fit in RmgrId; widening that type will affect the XLOG
                                 20                 :  * file format.
                                 21                 :  */
                                 22                 : #define PG_RMGR(symname,name,redo,desc,identify,startup,cleanup,mask,decode) \
                                 23                 :     symname,
                                 24                 : 
                                 25                 : typedef enum RmgrIds
                                 26                 : {
                                 27                 : #include "access/rmgrlist.h"
                                 28                 :     RM_NEXT_ID
                                 29                 : }           RmgrIds;
                                 30                 : 
                                 31                 : #undef PG_RMGR
                                 32                 : 
                                 33                 : #define RM_MAX_ID           UINT8_MAX
                                 34                 : #define RM_MAX_BUILTIN_ID   (RM_NEXT_ID - 1)
                                 35                 : #define RM_MIN_CUSTOM_ID    128
                                 36                 : #define RM_MAX_CUSTOM_ID    UINT8_MAX
                                 37                 : #define RM_N_IDS            (UINT8_MAX + 1)
                                 38                 : #define RM_N_BUILTIN_IDS    (RM_MAX_BUILTIN_ID + 1)
                                 39                 : #define RM_N_CUSTOM_IDS     (RM_MAX_CUSTOM_ID - RM_MIN_CUSTOM_ID + 1)
                                 40                 : 
                                 41                 : static inline bool
  367 jdavis                     42 CBC     5129811 : RmgrIdIsBuiltin(int rmid)
                                 43                 : {
                                 44         5129811 :     return rmid <= RM_MAX_BUILTIN_ID;
                                 45                 : }
                                 46                 : 
                                 47                 : static inline bool
                                 48            1406 : RmgrIdIsCustom(int rmid)
                                 49                 : {
                                 50            1406 :     return rmid >= RM_MIN_CUSTOM_ID && rmid <= RM_MAX_CUSTOM_ID;
                                 51                 : }
                                 52                 : 
                                 53                 : #define RmgrIdIsValid(rmid) (RmgrIdIsBuiltin((rmid)) || RmgrIdIsCustom((rmid)))
                                 54                 : 
                                 55                 : /*
                                 56                 :  * RmgrId to use for extensions that require an RmgrId, but are still in
                                 57                 :  * development and have not reserved their own unique RmgrId yet. See:
                                 58                 :  * https://wiki.postgresql.org/wiki/CustomWALResourceManagers
                                 59                 :  */
                                 60                 : #define RM_EXPERIMENTAL_ID      128
                                 61                 : 
                                 62                 : #endif                          /* RMGR_H */