Add GUC variables for stat tracking and timeout as PGDLLIMPORT

This helps integration of extensions with Windows.  The following
parameters are changed:
- idle_in_transaction_session_timeout (9.6 and newer versions)
- lock_timeout
- statement_timeout
- track_activities
- track_counts
- track_functions

Author: Pascal Legrand
Reviewed-by: Amit Kamila, Julien Rouhaud, Michael Paquier
Discussion: https://postgr.es/m/[email protected]
Backpatch-through: 9.4

2 files changed, 6 insertions, 6 deletions

diff --git a/src/include/pgstat.h b/src/include/pgstat.h
index 36b530bc27f..aecb6013f00 100644
--- a/src/include/pgstat.h
+++ b/src/include/pgstat.h
@@ -1210,9 +1210,9 @@ typedef struct PgStat_FunctionCallUsage
  * GUC parameters
  * ----------
  */
-extern bool pgstat_track_activities;
-extern bool pgstat_track_counts;
-extern int	pgstat_track_functions;
+extern PGDLLIMPORT bool pgstat_track_activities;
+extern PGDLLIMPORT bool pgstat_track_counts;
+extern PGDLLIMPORT int pgstat_track_functions;
 extern PGDLLIMPORT int pgstat_track_activity_query_size;
 extern char *pgstat_stat_directory;
 extern char *pgstat_stat_tmpname;
diff --git a/src/include/storage/proc.h b/src/include/storage/proc.h
index 5b407e6ac56..d21780108bb 100644
--- a/src/include/storage/proc.h
+++ b/src/include/storage/proc.h
@@ -293,9 +293,9 @@ extern PGPROC *PreparedXactProcs;
 
 /* configurable options */
 extern PGDLLIMPORT int DeadlockTimeout;
-extern int	StatementTimeout;
-extern int	LockTimeout;
-extern int	IdleInTransactionSessionTimeout;
+extern PGDLLIMPORT int StatementTimeout;
+extern PGDLLIMPORT int LockTimeout;
+extern PGDLLIMPORT int IdleInTransactionSessionTimeout;
 extern bool log_lock_waits;