From f5bc0d2fc74eb2855196f7aa02295d29059f742f Mon Sep 17 00:00:00 2001
From: Craig Ringer <craig.ringer@2ndquadrant.com>
Date: Thu, 17 Jun 2021 11:53:21 +0800
Subject: [PATCH v1 4/5] PGDLLIMPORT a set of useful GUCs and derived variables

---
 src/include/access/xlog.h             | 76 +++++++++++++--------------
 src/include/replication/walreceiver.h |  6 +--
 2 files changed, 41 insertions(+), 41 deletions(-)

diff --git a/src/include/access/xlog.h b/src/include/access/xlog.h
index e0b3a75d4d..3a6dbbaef4 100644
--- a/src/include/access/xlog.h
+++ b/src/include/access/xlog.h
@@ -104,47 +104,47 @@ extern PGDLLIMPORT XLogRecPtr XactLastCommitEnd;
 extern PGDLLIMPORT bool reachedConsistency;
 
 /* these variables are GUC parameters related to XLOG */
-extern int	wal_segment_size;
-extern int	min_wal_size_mb;
-extern int	max_wal_size_mb;
-extern int	wal_keep_size_mb;
-extern int	max_slot_wal_keep_size_mb;
-extern int	XLOGbuffers;
-extern int	XLogArchiveTimeout;
-extern int	wal_retrieve_retry_interval;
-extern char *XLogArchiveCommand;
-extern bool EnableHotStandby;
-extern bool fullPageWrites;
-extern bool wal_log_hints;
-extern bool wal_compression;
-extern bool wal_init_zero;
-extern bool wal_recycle;
-extern bool *wal_consistency_checking;
-extern char *wal_consistency_checking_string;
-extern bool log_checkpoints;
-extern char *recoveryRestoreCommand;
-extern char *recoveryEndCommand;
-extern char *archiveCleanupCommand;
-extern bool recoveryTargetInclusive;
-extern int	recoveryTargetAction;
-extern int	recovery_min_apply_delay;
-extern char *PrimaryConnInfo;
-extern char *PrimarySlotName;
-extern bool wal_receiver_create_temp_slot;
-extern bool track_wal_io_timing;
+extern PGDLLIMPORT int	wal_segment_size;
+extern PGDLLIMPORT int	min_wal_size_mb;
+extern PGDLLIMPORT int	max_wal_size_mb;
+extern PGDLLIMPORT int	wal_keep_size_mb;
+extern PGDLLIMPORT int	max_slot_wal_keep_size_mb;
+extern PGDLLIMPORT int	XLOGbuffers;
+extern PGDLLIMPORT int	XLogArchiveTimeout;
+extern PGDLLIMPORT int	wal_retrieve_retry_interval;
+extern PGDLLIMPORT char *XLogArchiveCommand;
+extern PGDLLIMPORT bool EnableHotStandby;
+extern PGDLLIMPORT bool fullPageWrites;
+extern PGDLLIMPORT bool wal_log_hints;
+extern PGDLLIMPORT bool wal_compression;
+extern PGDLLIMPORT bool wal_init_zero;
+extern PGDLLIMPORT bool wal_recycle;
+extern PGDLLIMPORT bool *wal_consistency_checking;
+extern PGDLLIMPORT char *wal_consistency_checking_string;
+extern PGDLLIMPORT bool log_checkpoints;
+extern PGDLLIMPORT char *recoveryRestoreCommand;
+extern PGDLLIMPORT char *recoveryEndCommand;
+extern PGDLLIMPORT char *archiveCleanupCommand;
+extern PGDLLIMPORT bool recoveryTargetInclusive;
+extern PGDLLIMPORT int	recoveryTargetAction;
+extern PGDLLIMPORT int	recovery_min_apply_delay;
+extern PGDLLIMPORT char *PrimaryConnInfo;
+extern PGDLLIMPORT char *PrimarySlotName;
+extern PGDLLIMPORT bool wal_receiver_create_temp_slot;
+extern PGDLLIMPORT bool track_wal_io_timing;
 
 /* indirectly set via GUC system */
-extern TransactionId recoveryTargetXid;
-extern char *recovery_target_time_string;
-extern const char *recoveryTargetName;
-extern XLogRecPtr recoveryTargetLSN;
-extern RecoveryTargetType recoveryTarget;
-extern char *PromoteTriggerFile;
-extern RecoveryTargetTimeLineGoal recoveryTargetTimeLineGoal;
-extern TimeLineID recoveryTargetTLIRequested;
-extern TimeLineID recoveryTargetTLI;
+extern PGDLLIMPORT TransactionId recoveryTargetXid;
+extern PGDLLIMPORT char *recovery_target_time_string;
+extern PGDLLIMPORT const char *recoveryTargetName;
+extern PGDLLIMPORT XLogRecPtr recoveryTargetLSN;
+extern PGDLLIMPORT RecoveryTargetType recoveryTarget;
+extern PGDLLIMPORT char *PromoteTriggerFile;
+extern PGDLLIMPORT RecoveryTargetTimeLineGoal recoveryTargetTimeLineGoal;
+extern PGDLLIMPORT TimeLineID recoveryTargetTLIRequested;
+extern PGDLLIMPORT TimeLineID recoveryTargetTLI;
 
-extern int	CheckPointSegments;
+extern PGDLLIMPORT int	CheckPointSegments;
 
 /* option set locally in startup process only when signal files exist */
 extern bool StandbyModeRequested;
diff --git a/src/include/replication/walreceiver.h b/src/include/replication/walreceiver.h
index 016814658e..cb71eaed09 100644
--- a/src/include/replication/walreceiver.h
+++ b/src/include/replication/walreceiver.h
@@ -25,9 +25,9 @@
 #include "utils/tuplestore.h"
 
 /* user-settable parameters */
-extern int	wal_receiver_status_interval;
-extern int	wal_receiver_timeout;
-extern bool hot_standby_feedback;
+extern PGDLLIMPORT int	wal_receiver_status_interval;
+extern PGDLLIMPORT int	wal_receiver_timeout;
+extern PGDLLIMPORT bool hot_standby_feedback;
 
 /*
  * MAXCONNINFO: maximum size of a connection string.
-- 
2.31.1