[commit] master: don't refresh progress counters pointlessly

[Oswald B. <os...@us...>]

commit b9a4746b54cd4159941e4bb4650d75cb26a84a25
Author: Oswald Buddenhagen <os...@us...>
Date:   Mon Jul 4 18:03:24 2022 +0200

    don't refresh progress counters pointlessly
    
    the mainloop-based refresh timer keeps spinning even if there is no
    update. overload stats_steps to signal whether a refresh is needed.
    
    amends 8fbc4323.

 src/main_sync.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/main_sync.c b/src/main_sync.c
index 88baae2..24a88c9 100644
--- a/src/main_sync.c
+++ b/src/main_sync.c
@@ -43,9 +43,11 @@ print_stats( void )
 static void
 stats_timeout( void *aux ATTR_UNUSED )
 {
-	stats_steps = -1;
+	if (stats_steps != -1) {
+		stats_steps = -1;
+		print_stats();
+	}
 	conf_wakeup( &stats_wakeup, 200 );
-	print_stats();
 }
 
 void
@@ -55,8 +57,10 @@ stats( void )
 		return;
 
 	// If the main loop appears to be running, skip the sync path.
-	if (stats_steps < 0)
+	if (stats_steps < 0) {
+		stats_steps = -2;
 		return;
+	}
 
 	// Rate-limit the (somewhat) expensive timer queries.
 	if (++stats_steps < 10)