From 97dbe59aea8959e07b545e9960645501eebc62a9 Mon Sep 17 00:00:00 2001
From: Devaev Maxim <mdevaev@gmail.com>
Date: Thu, 21 Jan 2021 02:56:43 +0300
Subject: [PATCH] handle usleep error

---
 src/libs/tools.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/libs/tools.h b/src/libs/tools.h
index a7091f2..2e1239d 100644
--- a/src/libs/tools.h
+++ b/src/libs/tools.h
@@ -135,7 +135,9 @@ INLINE int flock_timedwait_monotonic(int fd, long double timeout) {
 		if (retval == 0 || errno != EWOULDBLOCK || get_now_monotonic() > deadline_ts) {
 			break;
 		}
-		usleep(1000);
+		if (usleep(1000) < 0) {
+			break;
+		}
 	}
 	return retval;
 }