From e79ebd33013155ebef6bbadb5fcf1318daa27686 Mon Sep 17 00:00:00 2001
From: Loic Coenen <loic@visua.com>
Date: Sat, 2 May 2026 10:27:26 +0000
Subject: [PATCH] fix: replace usleep with nanosleep for POSIX compliance

Co-authored-by: aider (deepseek/deepseek-coder) <aider@aider.chat>
---
 engine.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/engine.c b/engine.c
index d5bd29f..0514b04 100644
--- a/engine.c
+++ b/engine.c
@@ -370,7 +370,8 @@ void* save_load_thread_func(void *arg) {
             }
         } else {
             // No requests, sleep a bit to avoid busy-waiting
-            usleep(1000);  // 1ms
+            struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };  // 1ms
+            nanosleep(&ts, NULL);
         }
     }