Mark assorted variables PGDLLIMPORT.

This makes life easier for extension authors who wish to support
Windows.

Brian Cloutier, slightly amended by me.

Discussion: http://postgr.es/m/CAJCy68fscdNhmzFPS4kyO00CADkvXvEa-28H-OtENk-pa2OTWw@mail.gmail.com

diff --git a/src/include/access/twophase.h b/src/include/access/twophase.h
index 15aec35708cb065c0cb5123847f4222710df7ac6..8a5b700b3daba4e8af5f323e3754f91dc18f0010 100644 (file)
--- a/src/include/access/twophase.h
+++ b/src/include/access/twophase.h
@@ -25,7 +25,7 @@
 typedef struct GlobalTransactionData *GlobalTransaction;
 
 /* GUC variable */
-extern int max_prepared_xacts;
+extern PGDLLIMPORT int max_prepared_xacts;
 
 extern Size TwoPhaseShmemSize(void);
 extern void TwoPhaseShmemInit(void);

diff --git a/src/include/commands/extension.h b/src/include/commands/extension.h
index bf981682fc9811797bf4a4dda3c1429c58dae5ae..90083014e2e49b8bae3b06aca12910ae2e362b6a 100644 (file)
--- a/src/include/commands/extension.h
+++ b/src/include/commands/extension.h
@@ -23,8 +23,8 @@
  * on the current pg_extension object for each SQL object created by its
  * installation script.
  */
-extern bool creating_extension;
-extern Oid CurrentExtensionObject;
+extern PGDLLIMPORT bool creating_extension;
+extern PGDLLIMPORT Oid CurrentExtensionObject;
 
 
 extern Oid CreateExtension(CreateExtensionStmt *stmt);

diff --git a/src/include/miscadmin.h b/src/include/miscadmin.h
index d0ec3914e08d07b3f41c6a4d6c8995653e089d02..7067691c35a6d2e589e011b72c18864bd5e34580 100644 (file)
--- a/src/include/miscadmin.h
+++ b/src/include/miscadmin.h
@@ -150,13 +150,13 @@ extern PGDLLIMPORT bool IsUnderPostmaster;
 extern bool IsBackgroundWorker;
 extern bool IsBinaryUpgrade;
 
-extern bool ExitOnAnyError;
+extern PGDLLIMPORT bool ExitOnAnyError;
 
 extern PGDLLIMPORT char *DataDir;
 
 extern PGDLLIMPORT int NBuffers;
-extern int MaxBackends;
-extern int MaxConnections;
+extern PGDLLIMPORT int MaxBackends;
+extern PGDLLIMPORT int MaxConnections;
 
 extern PGDLLIMPORT int MyProcPid;
 extern PGDLLIMPORT pg_time_t MyStartTime;
@@ -244,7 +244,7 @@ extern int  CTimeZone;
 #define MAXTZLEN       10      /* max TZ name len, not counting tr. null */
 
 extern bool enableFsync;
-extern bool allowSystemTableMods;
+extern PGDLLIMPORT bool allowSystemTableMods;
 extern PGDLLIMPORT int work_mem;
 extern PGDLLIMPORT int maintenance_work_mem;
 

diff --git a/src/include/pgtime.h b/src/include/pgtime.h
index c0ab639ad4b06e76d9205aae4c976e4c4b8e254d..6c1336da0830754e676d5a76d7b188dc63eb8692 100644 (file)
--- a/src/include/pgtime.h
+++ b/src/include/pgtime.h
@@ -70,7 +70,7 @@ extern size_t pg_strftime(char *s, size_t max, const char *format,
 
 /* these functions and variables are in pgtz.c */
 
-extern pg_tz *session_timezone;
+extern PGDLLIMPORT pg_tz *session_timezone;
 extern pg_tz *log_timezone;
 
 extern void pg_timezone_initialize(void);

diff --git a/src/include/postmaster/postmaster.h b/src/include/postmaster/postmaster.h
index c090595a45ae8279f93a37df12e92582ea60bb36..72c31aa3305797a6b392afc1e8b7752b8eb13387 100644 (file)
--- a/src/include/postmaster/postmaster.h
+++ b/src/include/postmaster/postmaster.h
@@ -16,7 +16,7 @@
 /* GUC options */
 extern bool EnableSSL;
 extern int ReservedBackends;
-extern int PostPortNumber;
+extern PGDLLIMPORT int PostPortNumber;
 extern int Unix_socket_permissions;
 extern char *Unix_socket_group;
 extern char *Unix_socket_directories;
@@ -44,7 +44,7 @@ extern int    postmaster_alive_fds[2];
 #define POSTMASTER_FD_OWN      1       /* kept open by postmaster only */
 #endif
 
-extern const char *progname;
+extern PGDLLIMPORT const char *progname;
 
 extern void PostmasterMain(int argc, char *argv[]) __attribute__((noreturn));
 extern void ClosePostmasterPorts(bool am_syslogger);

diff --git a/src/include/storage/fd.h b/src/include/storage/fd.h
index 4c60f821beddc4f0878a7a8a4010d86b663a1713..c5075d83f4ad7323059b2406750d38cabdaa7bb5 100644 (file)
--- a/src/include/storage/fd.h
+++ b/src/include/storage/fd.h
@@ -52,7 +52,7 @@ typedef int File;
 
 
 /* GUC parameter */
-extern int max_files_per_process;
+extern PGDLLIMPORT int max_files_per_process;
 
 /*
  * This is private to fd.c, but exported for save/restore_backend_variables()

diff --git a/src/include/storage/proc.h b/src/include/storage/proc.h
index 84d0b91debe0fe28290974ca4b2988c2680f4499..63a22179ead95892221cbf05d02a71e69ebc6bc1 100644 (file)
--- a/src/include/storage/proc.h
+++ b/src/include/storage/proc.h
@@ -204,7 +204,7 @@ typedef struct PROC_HDR
    int         startupBufferPinWaitBufId;
 } PROC_HDR;
 
-extern PROC_HDR *ProcGlobal;
+extern PGDLLIMPORT PROC_HDR *ProcGlobal;
 
 extern PGPROC *PreparedXactProcs;
 
@@ -220,7 +220,7 @@ extern PGPROC *PreparedXactProcs;
 
 
 /* configurable options */
-extern int DeadlockTimeout;
+extern PGDLLIMPORT int DeadlockTimeout;
 extern int StatementTimeout;
 extern int LockTimeout;
 extern bool log_lock_waits;

diff --git a/src/include/tcop/dest.h b/src/include/tcop/dest.h
index 5dd623bc35c354adf3aa2d7e0b738fe7f47302aa..621ee3acc3005202056328baf48ec5b9180bd877 100644 (file)
--- a/src/include/tcop/dest.h
+++ b/src/include/tcop/dest.h
@@ -125,7 +125,8 @@ struct _DestReceiver
    /* Private fields might appear beyond this point... */
 };
 
-extern DestReceiver *None_Receiver;        /* permanent receiver for DestNone */
+extern PGDLLIMPORT DestReceiver *None_Receiver; /* permanent receiver for
+                                                * DestNone */
 
 /* The primary destination management functions */
 

diff --git a/src/include/tcop/tcopprot.h b/src/include/tcop/tcopprot.h
index 035a442e35f648d28f079bf2032def0aef97beda..68d5ca90fb1cd344da52a3327f4a21091f4a518f 100644 (file)
--- a/src/include/tcop/tcopprot.h
+++ b/src/include/tcop/tcopprot.h
@@ -44,7 +44,7 @@ typedef enum
    LOGSTMT_ALL                 /* log all statements */
 } LogStmtLevel;
 
-extern int log_statement;
+extern PGDLLIMPORT int log_statement;
 
 extern List *pg_parse_query(const char *query_string);
 extern List *pg_analyze_and_rewrite(Node *parsetree, const char *query_string,

diff --git a/src/include/utils/guc.h b/src/include/utils/guc.h
index b5dd72c5b0ae36d85d3b4898688c5dad5c7ab1bc..d5bbd6bcf6c2f88aa0ac33b976299773d9ffca92 100644 (file)
--- a/src/include/utils/guc.h
+++ b/src/include/utils/guc.h
@@ -210,8 +210,8 @@ extern bool default_with_oids;
 extern bool SQL_inheritance;
 
 extern int log_min_error_statement;
-extern int log_min_messages;
-extern int client_min_messages;
+extern PGDLLIMPORT int log_min_messages;
+extern PGDLLIMPORT int client_min_messages;
 extern int log_min_duration_statement;
 extern int log_temp_files;
 
@@ -220,7 +220,7 @@ extern int  temp_file_limit;
 extern int num_temp_buffers;
 
 extern char *data_directory;
-extern char *ConfigFileName;
+extern PGDLLIMPORT char *ConfigFileName;
 extern char *HbaFileName;
 extern char *IdentFileName;
 extern char *external_pid_file;

diff --git a/src/include/utils/snapmgr.h b/src/include/utils/snapmgr.h
index bfbd8dd8ff55868b51f4f3509a07bcd634c2bbee..ba254231cc80c4b209429878df46f60dc3dafda2 100644 (file)
--- a/src/include/utils/snapmgr.h
+++ b/src/include/utils/snapmgr.h
@@ -20,9 +20,9 @@
 
 extern bool FirstSnapshotSet;
 
-extern TransactionId TransactionXmin;
-extern TransactionId RecentXmin;
-extern TransactionId RecentGlobalXmin;
+extern PGDLLIMPORT TransactionId TransactionXmin;
+extern PGDLLIMPORT TransactionId RecentXmin;
+extern PGDLLIMPORT TransactionId RecentGlobalXmin;
 
 extern Snapshot GetTransactionSnapshot(void);
 extern Snapshot GetLatestSnapshot(void);