Export variables, required by pathman

vbwagner · vbwagner · commit 7870fee984dc · 2016-10-19T09:07:32.000+03:00
diff --git a/src/backend/access/transam/xact.c b/src/backend/access/transam/xact.c
@@ -72,7 +72,11 @@ int			DefaultXactIsoLevel = XACT_READ_COMMITTED;
 int			XactIsoLevel;
 
 bool		DefaultXactReadOnly = false;
-bool		XactReadOnly;
+/* 
+ * We need initialization because only initialized vars appear in
+ * postges.def  and accssible from loadable extension
+ */
+bool		XactReadOnly = false;
 
 bool		DefaultXactDeferrable = false;
 bool		XactDeferrable;
diff --git a/src/backend/utils/init/globals.c b/src/backend/utils/init/globals.c
@@ -24,7 +24,7 @@
 #include "storage/backendid.h"
 
 
-ProtocolVersion FrontendProtocol;
+ProtocolVersion FrontendProtocol = (ProtocolVersion)0;
 
 volatile bool InterruptPending = false;
 volatile bool QueryCancelPending = false;
diff --git a/src/include/access/xact.h b/src/include/access/xact.h
@@ -45,7 +45,9 @@ extern PGDLLIMPORT int XactIsoLevel;
 
 /* Xact read-only state */
 extern bool DefaultXactReadOnly;
-extern bool XactReadOnly;
+
+#define PGPRO_PATHMAN_AWARE_COPY
+extern PGDLLIMPORT bool XactReadOnly;
 
 /*
  * Xact is deferrable -- only meaningful (currently) for read only
diff --git a/src/include/libpq/libpq-be.h b/src/include/libpq/libpq-be.h
@@ -215,7 +215,7 @@ extern void be_tls_get_cipher(Port *port, char *ptr, size_t len);
 extern void be_tls_get_peerdn_name(Port *port, char *ptr, size_t len);
 #endif
 
-extern ProtocolVersion FrontendProtocol;
+extern PGDLLIMPORT ProtocolVersion FrontendProtocol;
 
 /* TCP keepalives configuration. These are no-ops on an AF_UNIX socket. */
 
