agora inbox for pgsql-hackers@postgresql.org  
help / color / mirror / Atom feed
From: Sravan Velagandula <sravan.velagandula@enterprisedb.com>
Subject: [PATCH v3 1/1] simplify wait loop in the archiver
Date: Tue, 6 Dec 2022 06:21:38 -0500

---
 src/backend/postmaster/pgarch.c | 28 +++++++++-------------------
 1 file changed, 9 insertions(+), 19 deletions(-)

diff --git a/src/backend/postmaster/pgarch.c b/src/backend/postmaster/pgarch.c
index 8ecdb9ca23..51d882c17a 100644
--- a/src/backend/postmaster/pgarch.c
+++ b/src/backend/postmaster/pgarch.c
@@ -297,7 +297,6 @@ pgarch_waken_stop(SIGNAL_ARGS)
 static void
 pgarch_MainLoop(void)
 {
-	pg_time_t	last_copy_time = 0;
 	bool		time_to_stop;
 
 	/*
@@ -335,30 +334,21 @@ pgarch_MainLoop(void)
 
 		/* Do what we're here for */
 		pgarch_ArchiverCopyLoop();
-		last_copy_time = time(NULL);
 
 		/*
 		 * Sleep until a signal is received, or until a poll is forced by
-		 * PGARCH_AUTOWAKE_INTERVAL having passed since last_copy_time, or
-		 * until postmaster dies.
+		 * PGARCH_AUTOWAKE_INTERVAL, or until postmaster dies.
 		 */
 		if (!time_to_stop)		/* Don't wait during last iteration */
 		{
-			pg_time_t	curtime = (pg_time_t) time(NULL);
-			int			timeout;
-
-			timeout = PGARCH_AUTOWAKE_INTERVAL - (curtime - last_copy_time);
-			if (timeout > 0)
-			{
-				int			rc;
-
-				rc = WaitLatch(MyLatch,
-							   WL_LATCH_SET | WL_TIMEOUT | WL_POSTMASTER_DEATH,
-							   timeout * 1000L,
-							   WAIT_EVENT_ARCHIVER_MAIN);
-				if (rc & WL_POSTMASTER_DEATH)
-					time_to_stop = true;
-			}
+			int			rc;
+
+			rc = WaitLatch(MyLatch,
+						   WL_LATCH_SET | WL_TIMEOUT | WL_POSTMASTER_DEATH,
+						   PGARCH_AUTOWAKE_INTERVAL * 1000L,
+						   WAIT_EVENT_ARCHIVER_MAIN);
+			if (rc & WL_POSTMASTER_DEATH)
+				time_to_stop = true;
 		}
 
 		/*
-- 
2.25.1


--9jxsPFA5p3P2qPhR--





view thread (3+ messages)  latest in thread

Message-ID: <no-message-id-630570@localhost>
Permalink:  ../../no-message-id-630570@localhost/
Also on:    postgresql.org/message-id/no-message-id-630570@localhost

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-hackers@postgresql.org
  Cc: sravan.velagandula@enterprisedb.com
  Subject: Re: [PATCH v3 1/1] simplify wait loop in the archiver
  In-Reply-To: <no-message-id-630570@localhost>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox