7 files changed, 10 insertions, 10 deletions
diff --git a/src/include/postmaster/autovacuum.h b/src/include/postmaster/autovacuum.h
index 8009fde1e0..a851758aeb 100644
--- a/src/include/postmaster/autovacuum.h
+++ b/src/include/postmaster/autovacuum.h
@@ -52,8 +52,8 @@ extern void AutoVacWorkerFailed(void);
 extern void AutoVacuumUpdateDelay(void);
 
 #ifdef EXEC_BACKEND
-extern void AutoVacLauncherMain(int argc, char *argv[]);
-extern void AutoVacWorkerMain(int argc, char *argv[]);
+extern void AutoVacLauncherMain(int argc, char *argv[]) __attribute__((noreturn));
+extern void AutoVacWorkerMain(int argc, char *argv[]) __attribute__((noreturn));
 extern void AutovacuumWorkerIAm(void);
 extern void AutovacuumLauncherIAm(void);
 #endif
diff --git a/src/include/postmaster/bgwriter.h b/src/include/postmaster/bgwriter.h
index f46d4ad707..996065c2ed 100644
--- a/src/include/postmaster/bgwriter.h
+++ b/src/include/postmaster/bgwriter.h
@@ -25,8 +25,8 @@ extern int	CheckPointTimeout;
 extern int	CheckPointWarning;
 extern double CheckPointCompletionTarget;
 
-extern void BackgroundWriterMain(void);
-extern void CheckpointerMain(void);
+extern void BackgroundWriterMain(void) __attribute__((noreturn));
+extern void CheckpointerMain(void) __attribute__((noreturn));
 
 extern void RequestCheckpoint(int flags);
 extern void CheckpointWriteDelay(int flags, double progress);
diff --git a/src/include/postmaster/pgarch.h b/src/include/postmaster/pgarch.h
index 8e4472544f..be61031db1 100644
--- a/src/include/postmaster/pgarch.h
+++ b/src/include/postmaster/pgarch.h
@@ -20,7 +20,7 @@
 extern int	pgarch_start(void);
 
 #ifdef EXEC_BACKEND
-extern void PgArchiverMain(int argc, char *argv[]);
+extern void PgArchiverMain(int argc, char *argv[]) __attribute__((noreturn));
 #endif
 
 #endif   /* _PGARCH_H */
diff --git a/src/include/postmaster/postmaster.h b/src/include/postmaster/postmaster.h
index 683ce3c407..7d01d3d624 100644
--- a/src/include/postmaster/postmaster.h
+++ b/src/include/postmaster/postmaster.h
@@ -46,14 +46,14 @@ extern int	postmaster_alive_fds[2];
 
 extern const char *progname;
 
-extern int	PostmasterMain(int argc, char *argv[]);
+extern void PostmasterMain(int argc, char *argv[]) __attribute__((noreturn));
 extern void ClosePostmasterPorts(bool am_syslogger);
 
 extern int	MaxLivePostmasterChildren(void);
 
 #ifdef EXEC_BACKEND
 extern pid_t postmaster_forkexec(int argc, char *argv[]);
-extern int	SubPostmasterMain(int argc, char *argv[]);
+extern void	SubPostmasterMain(int argc, char *argv[]) __attribute__((noreturn));
 
 extern Size ShmemBackendArraySize(void);
 extern void ShmemBackendArrayAllocation(void);
diff --git a/src/include/postmaster/startup.h b/src/include/postmaster/startup.h
index 3ec69502eb..54400b5d2a 100644
--- a/src/include/postmaster/startup.h
+++ b/src/include/postmaster/startup.h
@@ -13,7 +13,7 @@
 #define _STARTUP_H
 
 extern void HandleStartupProcInterrupts(void);
-extern void StartupProcessMain(void);
+extern void StartupProcessMain(void) __attribute__((noreturn));
 extern void PreRestoreCommand(void);
 extern void PostRestoreCommand(void);
 extern bool IsPromoteTriggered(void);
diff --git a/src/include/postmaster/syslogger.h b/src/include/postmaster/syslogger.h
index dc88207b3d..cb0ccb6955 100644
--- a/src/include/postmaster/syslogger.h
+++ b/src/include/postmaster/syslogger.h
@@ -84,7 +84,7 @@ extern int	SysLogger_Start(void);
 extern void write_syslogger_file(const char *buffer, int count, int dest);
 
 #ifdef EXEC_BACKEND
-extern void SysLoggerMain(int argc, char *argv[]);
+extern void SysLoggerMain(int argc, char *argv[]) __attribute__((noreturn));
 #endif
 
 #endif   /* _SYSLOGGER_H */
diff --git a/src/include/postmaster/walwriter.h b/src/include/postmaster/walwriter.h
index 41c539a359..922142a9d1 100644
--- a/src/include/postmaster/walwriter.h
+++ b/src/include/postmaster/walwriter.h
@@ -15,6 +15,6 @@
 /* GUC options */
 extern int	WalWriterDelay;
 
-extern void WalWriterMain(void);
+extern void WalWriterMain(void) __attribute__((noreturn));
 
 #endif   /* _WALWRITER_H */