From 189a93c71d4cfc1fe68eb16cc360254216d5da35 Mon Sep 17 00:00:00 2001
From: Evgeny <me@jeka.su>
Date: Fri, 3 Apr 2026 03:29:51 +0300
Subject: [PATCH] fix cpu consume at idle

---
 lib/u_async.c | 27 +++++++++++++--------------
 1 file changed, 13 insertions(+), 14 deletions(-)

diff --git a/lib/u_async.c b/lib/u_async.c
index f3837bf..3bb00db 100644
--- a/lib/u_async.c
+++ b/lib/u_async.c
@@ -867,20 +867,19 @@ void uasync_poll(struct UASYNC* ua, int timeout_tb) {
         req_timeout.tv_usec = (timeout_tb % 10000) * 100;
     }
     
-    // Use minimum of requested and next timer if both finite
-    struct timeval poll_timeout;
-    if (timeout_tb < 0) {
-        // Infinite requested - use next timer if any
-        poll_timeout = next_timeout;
-    } else {
-        // Finite requested - min of requested and next
-        if (next_timeout.tv_sec < req_timeout.tv_sec ||
-            (next_timeout.tv_sec == req_timeout.tv_sec && next_timeout.tv_usec < req_timeout.tv_usec)) {
-            poll_timeout = next_timeout;
-        } else {
-            poll_timeout = req_timeout;
-        }
-    }
+    struct timeval poll_timeout;
+    if (timeout_tb < 0) {
+        poll_timeout = next_timeout;
+    } else {
+        if (next_timeout.tv_sec < req_timeout.tv_sec ||
+            (next_timeout.tv_sec == req_timeout.tv_sec && next_timeout.tv_usec < req_timeout.tv_usec)) {
+            poll_timeout = next_timeout;
+        } else {
+            poll_timeout = req_timeout;
+        }
+    }
+    if (poll_timeout.tv_sec == 0 && poll_timeout.tv_usec == 0 && timeout_tb > 0) poll_timeout = req_timeout;
+
     
     int timeout_ms;
     if (timeout_tb < 0 && (next_timeout.tv_sec > 0 || next_timeout.tv_usec > 0)) {