From 1170f74c492e4da09d1940bc1d509993e42cc8ae Mon Sep 17 00:00:00 2001
From: Per Cederqvist <ceder@lysator.liu.se>
Date: Fri, 30 Aug 1991 01:32:50 +0000
Subject: [PATCH] Minor cleanups.
---
src/server/connections.c | 25 ++++++++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)
diff --git a/src/server/connections.c b/src/server/connections.c
index 538f7075a..455b8eb69 100644
--- a/src/server/connections.c
+++ b/src/server/connections.c
@@ -6,7 +6,7 @@
* Created by Willf|r 31/3-90. Mostly written by ceder.
*/
-static char *rcsid = "$Id: connections.c,v 0.8 1991/08/28 02:21:52 ceder Exp $";
+static char *rcsid = "$Id: connections.c,v 0.9 1991/08/30 01:32:50 ceder Exp $";
#include <errno.h>
@@ -44,7 +44,22 @@ static char *rcsid = "$Id: connections.c,v 0.8 1991/08/28 02:21:52 ceder Exp $";
ISCMCB * kom_server_mcb = NULL;
Connection * active_connection = NULL;
+/*
+ * This is set TRUE when the server should be closed. It is checked
+ * each time around the main loop. It is set if someone with enough
+ * privileges issues a `shutdown', or of lyskomd receives a SIGHUP.
+ * This not an abort: all data is saved before we exit.
+ */
volatile Bool go_and_die = FALSE;
+
+/*
+ * Once upon a time the entire database was always held in core, and
+ * saved to disk when we got a SIGUSR1 signal. Nowadays the server
+ * keeps track of the time itself and saves at appropriate intervalls.
+ * It does still write some statistics when it get a SIGUSR1 signal.
+ * The signal handler sets do_sync_db. The name is retained for
+ * historical reasons.
+ */
volatile Bool do_sync_db = FALSE;
jmp_buf parse_env;
@@ -760,11 +775,15 @@ toploop(void)
{
if (do_sync_db)
{
- cache_sync(); /* A noop in diskomd. Actually
+ /*
+ * do_sync_db used to save the entire database. Nowadays
+ * all it does is to print some statistics.
+ */
+ cache_sync(); /* A noop in lyskomd. Actually
stops the server and dumps
everything in ramkomd. */
dump_statistics();
- do_sync_db = 0;
+ do_sync_db = FALSE;
}
gettimeofday(&before, NULL);
--
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