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Diffstat (limited to 'src/include/storage/pmsignal.h')
-rw-r--r--src/include/storage/pmsignal.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/storage/pmsignal.h b/src/include/storage/pmsignal.h
index 029b7201093..0c9a7e32a8a 100644
--- a/src/include/storage/pmsignal.h
+++ b/src/include/storage/pmsignal.h
@@ -57,6 +57,10 @@ typedef enum
/* PMSignalData is an opaque struct, details known only within pmsignal.c */
typedef struct PMSignalData PMSignalData;
+#ifdef EXEC_BACKEND
+extern volatile PMSignalData *PMSignalState;
+#endif
+
/*
* prototypes for functions in pmsignal.c
*/