It reads better to check if something empty than the opposite

1 files changed, 5 insertions, 5 deletions

diff --git a/zencore/thread.cpp b/zencore/thread.cpp
index 78238a3d5..981d2bd96 100644
--- a/zencore/thread.cpp
+++ b/zencore/thread.cpp
@@ -236,12 +236,12 @@ Event::Wait(int TimeoutMs)
 //////////////////////////////////////////////////////////////////////////
 
 #if ZEN_PLATFORM_LINUX
-static bool IsThereAMessageInQueue(int Fd)
+static bool IsMessageQueueEmpty(int Fd)
 {
 	// Check if there is already a message in the queue.
 	mq_attr Attributes = { O_NONBLOCK, 1, 1, 0 };
 	mq_getattr(Fd, &Attributes);
-	return (Attributes.mq_curmsgs > 0);
+	return (Attributes.mq_curmsgs == 0);
 }
 #endif // ZEN_PLATFORM_LINUX
 
@@ -278,7 +278,7 @@ NamedEvent::NamedEvent(std::string_view EventName)
 	int LockResult = flock(Inner, LOCK_EX|LOCK_NB);
 	if (LockResult == 0)
 	{
-		ZEN_ASSERT( IsThereAMessageInQueue(Inner) == false,
+		ZEN_ASSERT( IsMessageQueueEmpty(Inner),
 					"Ownership of a non-empty '{}' message queue occurred", Name.c_str());
 	}
 
@@ -325,7 +325,7 @@ void NamedEvent::Set()
 #elif ZEN_PLATFORM_LINUX
 	int Inner = int(intptr_t(m_EventHandle));
 
-	if (IsThereAMessageInQueue(Inner))
+	if (!IsMessageQueueEmpty(Inner))
 	{
 		return;
 	}
@@ -355,7 +355,7 @@ bool NamedEvent::Wait(int TimeoutMs)
 #elif ZEN_PLATFORM_LINUX
 	int Inner = int(intptr_t(m_EventHandle));
 
-	if (IsThereAMessageInQueue(Inner))
+	if (!IsMessageQueueEmpty(Inner))
 	{
 		return true;
 	}