From b1e6cce08595d2babb8eb1fb3d1e5e706abd6a7d Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Mon, 15 Dec 2025 18:07:17 +0900
Subject: [PATCH] time-util: make usleep_safe() support USEC_INFINITY

(cherry picked from commit 78385b8e9466d688b1e57e06cb7ec91277d1b94d)
---
 src/basic/time-util.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/basic/time-util.c b/src/basic/time-util.c
index 99915052829..5dd00af952d 100644
--- a/src/basic/time-util.c
+++ b/src/basic/time-util.c
@@ -1804,6 +1804,9 @@ int usleep_safe(usec_t usec) {
         if (usec == 0)
                 return 0;
 
+        if (usec == USEC_INFINITY)
+                return RET_NERRNO(pause());
+
         struct timespec t;
         timespec_store(&t, usec);