From d848e6d87d0bdcd4290f9b2362981bb43ae1a871 Mon Sep 17 00:00:00 2001
From: Thiago Macieira <thiago.macieira@intel.com>
Date: Tue, 9 May 2023 16:06:58 -0700
Subject: [PATCH] QDeadlineTimer: use std::chrono::ceil() in setRemainingTime()
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In case the time is of less than 1 ns, we want to make sure it remains
non-zero.

Change-Id: I3e3bfef633af4130a03afffd175d9c4903271f80
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>
---
 src/corelib/kernel/qdeadlinetimer.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/corelib/kernel/qdeadlinetimer.h b/src/corelib/kernel/qdeadlinetimer.h
index c4be957985..dab5e055ae 100644
--- a/src/corelib/kernel/qdeadlinetimer.h
+++ b/src/corelib/kernel/qdeadlinetimer.h
@@ -109,10 +109,11 @@ public:
     template <class Rep, class Period>
     void setRemainingTime(std::chrono::duration<Rep, Period> remaining, Qt::TimerType type_ = Qt::CoarseTimer)
     {
+        using namespace std::chrono;
         if (remaining == remaining.max())
             *this = QDeadlineTimer(Forever, type_);
         else
-            setPreciseRemainingTime(0, std::chrono::nanoseconds(remaining).count(), type_);
+            setPreciseRemainingTime(0, ceil<nanoseconds>(remaining).count(), type_);
     }
 
     std::chrono::nanoseconds remainingTimeAsDuration() const noexcept