Adjust Windows autovacuum service to retry for up to 5 minutes waiting

for the postmaster to start.  Dave Page

contrib/pg_autovacuum/pg_autovacuum.c

@@ -4,7 +4,7 @@
  * Revisions by Christopher B. Browne, Liberty RMS
  * Win32 Service code added by Dave Page
  *
- * $PostgreSQL: pgsql/contrib/pg_autovacuum/pg_autovacuum.c,v 1.28 2005/01/24 00:13:38 neilc Exp $
+ * $PostgreSQL: pgsql/contrib/pg_autovacuum/pg_autovacuum.c,v 1.29 2005/01/26 22:25:13 tgl Exp $
  */
 
 #include "postgres_fe.h"
@@ -556,6 +556,9 @@ init_db_list(void)
 	Dllist	   *db_list = DLNewList();
 	db_info    *dbs = NULL;
 	PGresult   *res = NULL;
+#ifdef WIN32
+	int			k = 0;
+#endif
 
 	DLAddHead(db_list, DLNewElem(init_dbinfo((char *) "template1", 0, 0)));
 	if (DLGetHead(db_list) == NULL)
@@ -572,6 +575,30 @@ init_db_list(void)
 	dbs = ((db_info *) DLE_VAL(DLGetHead(db_list)));
 	dbs->conn = db_connect(dbs);
 
+#ifdef WIN32
+	while (dbs->conn == NULL && !appMode && k < 10)
+	{
+		int        j;
+
+		/* Pause for 30 seconds to allow the database to start up */
+		log_entry("Pausing 30 seconds to allow the database to startup completely", LVL_INFO);
+		fflush(LOGOUTPUT);
+		ServiceStatus.dwWaitHint = 10;
+		for (j=0; j<6; j++)
+		{
+			pg_usleep(5000000);
+			ServiceStatus.dwCheckPoint++;
+			SetServiceStatus(hStatus, &ServiceStatus);
+			fflush(LOGOUTPUT);
+		}
+
+		/* now try again */
+		log_entry("Attempting to connect again.", LVL_INFO);
+		dbs->conn = db_connect(dbs);
+		k++;
+	}
+#endif
+
 	if (dbs->conn != NULL)
 	{
 		res = send_query(FROZENOID_QUERY, dbs);