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-rw-r--r--src/include/common/logging.h2
-rw-r--r--src/include/libpq/pqsignal.h6
-rwxr-xr-xsrc/tools/mark_pgdllimport.pl3
3 files changed, 6 insertions, 5 deletions
diff --git a/src/include/common/logging.h b/src/include/common/logging.h
index 9f426c32d61..2ab9f0ea502 100644
--- a/src/include/common/logging.h
+++ b/src/include/common/logging.h
@@ -51,7 +51,7 @@ enum pg_log_level
/*
* __pg_log_level is the minimum log level that will actually be shown.
*/
-extern enum pg_log_level __pg_log_level;
+extern PGDLLIMPORT enum pg_log_level __pg_log_level;
/*
* A log message can have several parts. The primary message is required,
diff --git a/src/include/libpq/pqsignal.h b/src/include/libpq/pqsignal.h
index 016fc89bd92..41227a30e24 100644
--- a/src/include/libpq/pqsignal.h
+++ b/src/include/libpq/pqsignal.h
@@ -30,9 +30,9 @@ extern int pqsigsetmask(int mask);
#define sigdelset(set, signum) (*(set) &= ~(sigmask(signum)))
#endif /* WIN32 */
-extern sigset_t UnBlockSig,
- BlockSig,
- StartupBlockSig;
+extern PGDLLIMPORT sigset_t UnBlockSig;
+extern PGDLLIMPORT sigset_t BlockSig;
+extern PGDLLIMPORT sigset_t StartupBlockSig;
extern void pqinitmask(void);
diff --git a/src/tools/mark_pgdllimport.pl b/src/tools/mark_pgdllimport.pl
index 83b90db6ef9..834fcac5b54 100755
--- a/src/tools/mark_pgdllimport.pl
+++ b/src/tools/mark_pgdllimport.pl
@@ -12,7 +12,8 @@
# smart and may not catch all cases.
#
# It's probably a good idea to run pgindent on any files that this
-# script modifies before committing.
+# script modifies before committing. This script uses as arguments
+# a list of the header files to scan for the markings.
#
# Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
# Portions Copyright (c) 1994, Regents of the University of California