[refer #PGPRO-3213] Send SIGQUIT instead of SIGUSR2 to checkpointer during online upgrade

knizhnik · knizhnik · commit f7c2e11be934 · 2020-04-16T09:58:42.000+03:00
diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
@@ -786,7 +786,7 @@ UpgradePostgres(void)
 	IsOnlineUpgrade = true;
 	TerminateChildren(SIGTERM);
 	if (CheckpointerPID != 0)
-		signal_child(CheckpointerPID, SIGUSR2);
+		signal_child(CheckpointerPID, SIGQUIT /*SIGUSR2*/);
 
 	if (!SavePostmasterParameters())
 	{

Original file line number	Diff line number	Diff line change
`@@ -786,7 +786,7 @@ UpgradePostgres(void)`
`786`	`786`	`IsOnlineUpgrade = true;`
`787`	`787`	`TerminateChildren(SIGTERM);`
`788`	`788`	`if (CheckpointerPID != 0)`
`789`		`- signal_child(CheckpointerPID, SIGUSR2);`
	`789`	`+ signal_child(CheckpointerPID, SIGQUIT /SIGUSR2/);`
`790`	`790`
`791`	`791`	`if (!SavePostmasterParameters())`
`792`	`792`	`{`