4
* Define a symbol to prevent multiple inclusions of this header file
10
* Transaction branch identification: XID and NULLXID:
14
#define XIDDATASIZE 128 /* size in bytes */
15
#define MAXGTRIDSIZE 64 /* maximum size in bytes of gtrid */
16
#define MAXBQUALSIZE 64 /* maximum size in bytes of bqual */
19
long formatID; /* format identifier */
20
long gtrid_length; /* value from 1 through 64 */
21
long bqual_length; /* value from 1 through 64 */
22
char data[XIDDATASIZE];
24
typedef struct xid_t XID;
27
* A value of -1 in formatID means that the XID is null.
32
/* Let us comment this out to remove compiler errors!!!!!!!!!!!! */
35
* Declarations of routines by which RMs call TMs:
37
extern int ax_reg __P((int, XID *, long));
38
extern int ax_unreg __P((int, long));
41
* XA Switch Data Structure
43
#define RMNAMESZ 32 /* length of resource manager name, */
44
/* including the null terminator */
45
#define MAXINFOSIZE 256 /* maximum size in bytes of xa_info */
46
/* strings, including the null
51
char name[RMNAMESZ]; /* name of resource manager */
52
long flags; /* resource manager specific options */
53
long version; /* must be 0 */
54
int (*xa_open_entry) /* xa_open function pointer */
55
__P((char *, int, long));
56
int (*xa_close_entry) /* xa_close function pointer */
57
__P((char *, int, long));
58
int (*xa_start_entry) /* xa_start function pointer */
59
__P((XID *, int, long));
60
int (*xa_end_entry) /* xa_end function pointer */
61
__P((XID *, int, long));
62
int (*xa_rollback_entry) /* xa_rollback function pointer */
63
__P((XID *, int, long));
64
int (*xa_prepare_entry) /* xa_prepare function pointer */
65
__P((XID *, int, long));
66
int (*xa_commit_entry) /* xa_commit function pointer */
67
__P((XID *, int, long));
68
int (*xa_recover_entry) /* xa_recover function pointer */
69
__P((XID *, long, int, long));
70
int (*xa_forget_entry) /* xa_forget function pointer */
71
__P((XID *, int, long));
72
int (*xa_complete_entry) /* xa_complete function pointer */
73
__P((int *, int *, int, long));
75
#endif /* NOTDEFINED */
79
* Flag definitions for the RM switch
81
#define TMNOFLAGS 0x00000000L /* no resource manager features
83
#define TMREGISTER 0x00000001L /* resource manager dynamically
85
#define TMNOMIGRATE 0x00000002L /* resource manager does not support
86
association migration */
87
#define TMUSEASYNC 0x00000004L /* resource manager supports
88
asynchronous operations */
90
* Flag definitions for xa_ and ax_ routines
92
/* use TMNOFLAGGS, defined above, when not specifying other flags */
93
#define TMASYNC 0x80000000L /* perform routine asynchronously */
94
#define TMONEPHASE 0x40000000L /* caller is using one-phase commit
96
#define TMFAIL 0x20000000L /* dissociates caller and marks
97
transaction branch rollback-only */
98
#define TMNOWAIT 0x10000000L /* return if blocking condition
100
#define TMRESUME 0x08000000L /* caller is resuming association with
101
suspended transaction branch */
102
#define TMSUCCESS 0x04000000L /* dissociate caller from transaction
104
#define TMSUSPEND 0x02000000L /* caller is suspending, not ending,
106
#define TMSTARTRSCAN 0x01000000L /* start a recovery scan */
107
#define TMENDRSCAN 0x00800000L /* end a recovery scan */
108
#define TMMULTIPLE 0x00400000L /* wait for any asynchronous
110
#define TMJOIN 0x00200000L /* caller is joining existing
111
transaction branch */
112
#define TMMIGRATE 0x00100000L /* caller intends to perform
116
* ax_() return codes (transaction manager reports to resource manager)
118
#define TM_JOIN 2 /* caller is joining existing
119
transaction branch */
120
#define TM_RESUME 1 /* caller is resuming association with
121
suspended transaction branch */
122
#define TM_OK 0 /* normal execution */
123
#define TMER_TMERR -1 /* an error occurred in the transaction
125
#define TMER_INVAL -2 /* invalid arguments were given */
126
#define TMER_PROTO -3 /* routine invoked in an improper
130
* xa_() return codes (resource manager reports to transaction manager)
132
#define XA_RBBASE 100 /* The inclusive lower bound of the
134
#define XA_RBROLLBACK XA_RBBASE /* The rollback was caused by an
135
unspecified reason */
136
#define XA_RBCOMMFAIL XA_RBBASE+1 /* The rollback was caused by a
137
communication failure */
138
#define XA_RBDEADLOCK XA_RBBASE+2 /* A deadlock was detected */
139
#define XA_RBINTEGRITY XA_RBBASE+3 /* A condition that violates the
140
integrity of the resources was
142
#define XA_RBOTHER XA_RBBASE+4 /* The resource manager rolled back the
143
transaction branch for a reason not
145
#define XA_RBPROTO XA_RBBASE+5 /* A protocol error occurred in the
147
#define XA_RBTIMEOUT XA_RBBASE+6 /* A transaction branch took
149
#define XA_RBTRANSIENT XA_RBBASE+7 /* May retry the transaction branch */
150
#define XA_RBEND XA_RBTRANSIENT /* The inclusive upper bound of the
152
#define XA_NOMIGRATE 9 /* resumption must occur where
153
suspension occurred */
154
#define XA_HEURHAZ 8 /* the transaction branch may have
155
been heuristically completed */
156
#define XA_HEURCOM 7 /* the transaction branch has been
157
heuristically committed */
158
#define XA_HEURRB 6 /* the transaction branch has been
159
heuristically rolled back */
160
#define XA_HEURMIX 5 /* the transaction branch has been
161
heuristically committed and rolled
163
#define XA_RETRY 4 /* routine returned with no effect and
165
#define XA_RDONLY 3 /* the transaction branch was read-only
166
and has been committed */
167
#define XA_OK 0 /* normal execution */
168
#define XAER_ASYNC -2 /* asynchronous operation already
170
#define XAER_RMERR -3 /* a resource manager error occurred in
171
the transaction branch */
172
#define XAER_NOTA -4 /* the XID is not valid */
173
#define XAER_INVAL -5 /* invalid arguments were given */
174
#define XAER_PROTO -6 /* routine invoked in an improper
176
#define XAER_RMFAIL -7 /* resource manager unavailable */
177
#define XAER_DUPID -8 /* the XID already exists */
178
#define XAER_OUTSIDE -9 /* resource manager doing work outside
180
#endif /* ifndef XA_H */