Fix outdated comments

alvherre · alvherre · commit 5e5986b6cbeb · 2016-12-02T10:15:36.000-03:00
Commit 597a87c neglected to update some comments; fix. Report and patch by Thomas Munro. Reviewed by Petr Jelínek.
diff --git a/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c b/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c
@@ -388,15 +388,12 @@ libpqrcv_readtimelinehistoryfile(WalReceiverConn *conn,
 
 /*
  * Send a query and wait for the results by using the asynchronous libpq
- * functions and the backend version of select().
+ * functions and socket readiness events.
  *
  * We must not use the regular blocking libpq functions like PQexec()
  * since they are uninterruptible by signals on some platforms, such as
  * Windows.
  *
- * We must also not use vanilla select() here since it cannot handle the
- * signal emulation layer on Windows.
- *
  * The function is modeled on PQexec() in libpq, but only implements
  * those parts that are in use in the walreceiver.
  *

Original file line number	Diff line number	Diff line change
`@@ -388,15 +388,12 @@ libpqrcv_readtimelinehistoryfile(WalReceiverConn *conn,`
`388`	`388`
`389`	`389`	`/*`
`390`	`390`	`* Send a query and wait for the results by using the asynchronous libpq`
`391`		`- * functions and the backend version of select().`
	`391`	`+ * functions and socket readiness events.`
`392`	`392`	`*`
`393`	`393`	`* We must not use the regular blocking libpq functions like PQexec()`
`394`	`394`	`* since they are uninterruptible by signals on some platforms, such as`
`395`	`395`	`* Windows.`
`396`	`396`	`*`
`397`		`- * We must also not use vanilla select() here since it cannot handle the`
`398`		`- * signal emulation layer on Windows.`
`399`		`- *`
`400`	`397`	`* The function is modeled on PQexec() in libpq, but only implements`
`401`	`398`	`* those parts that are in use in the walreceiver.`
`402`	`399`	`*`