!3442 【资源池化】recovery阶段增加异常处理分支

Merge pull request !3442 from 董宁/dn_fix17_up

src/include/ddes/dms/ss_dms_bufmgr.h

@@ -83,4 +83,5 @@ void SSMarkBufferDirtyForERTO(RedoBufferInfo* bufferinfo);
 long SSGetBufSleepTime(int retry_times);
 SMGR_READ_STATUS SmgrNetPageCheckRead(Oid spcNode, Oid dbNode, Oid relNode, ForkNumber forkNum,
     BlockNumber blockNo, char *blockbuf);
+void SSUnPinBuffer(BufferDesc* buf_desc);
 #endif

src/include/ddes/dms/ss_dms_recovery.h

@@ -58,6 +58,8 @@ typedef struct ss_recovery_info {
     bool in_failover;      // used to detemin failover scenario, especially for the non-promoting node
     bool in_flushcopy;
     bool no_backend_left;
+    bool startup_need_exit_normally;        //used in alive failover
+    bool recovery_trapped_in_page_request;   //used in alive failover
 } ss_recovery_info_t;
 
 extern bool SSRecoveryNodes();

src/include/storage/pmsignal.h

@@ -55,6 +55,7 @@ typedef enum {
     PMSIGNAL_DMS_SWITCHOVER_PROMOTE,   /* dms standby switchover promote */
     PMSIGNAL_DMS_REFORM,               /* dms reform start during PM_RUN */
     PMSIGNAL_DMS_REFORM_DONE,          /* dms reform done */
+    PMSIGNAL_DMS_TERM_STARTUP,         /* term startup thread*/
     NUM_PMSIGNALS                      /* Must be last value of enum! */
 } PMSignalReason;