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2024-07-02 18:10:39 +02:00
commit 48ab06b1d9
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+///////////////////////////////////////////////////////////////////////////////
+// Copyright (c) Electronic Arts Inc. All rights reserved.
+///////////////////////////////////////////////////////////////////////////////
+
+#if defined(EA_PRAGMA_ONCE_SUPPORTED)
+	#pragma once // Some compilers (e.g. VC++) benefit significantly from using this. We've measured 3-4% build speed improvements in apps as a result.
+#endif
+
+#ifndef EATHREAD_INTERNAL_TIMINGS_H
+#define EATHREAD_INTERNAL_TIMINGS_H
+
+namespace EA
+{
+	namespace Thread
+	{
+		
+#if defined(EA_PLATFORM_SONY)
+		// RelativeTimeoutFromAbsoluteTimeout returns a relative timeout in microseconds.
+		inline uint32_t RelativeTimeoutFromAbsoluteTimeout(EA::Thread::ThreadTime timeoutAbsolute)
+		{
+			using namespace EA::Thread;
+
+			EAT_ASSERT((timeoutAbsolute == kTimeoutImmediate) || (timeoutAbsolute > EATHREAD_MIN_ABSOLUTE_TIME)); // Assert that the user didn't make the mistake of treating time as relative instead of absolute.
+
+			uint32_t timeoutRelative = 0;
+
+			if (timeoutAbsolute == kTimeoutNone)
+			{
+				timeoutRelative = 0xffffffff;
+			}
+			else if (timeoutAbsolute == kTimeoutImmediate)
+			{
+				timeoutRelative = 0;
+			}
+			else
+			{
+				ThreadTime timeCurrent(GetThreadTime());
+				timeoutRelative = (timeoutAbsolute > timeCurrent) ?  EA_THREADTIME_AS_UINT_MICROSECONDS(timeoutAbsolute - timeCurrent) : 0;
+			}
+
+			EAT_ASSERT((timeoutRelative == 0xffffffff) || (timeoutRelative < 100000000)); // Assert that the timeout is a sane value and didn't wrap around.
+	
+			return timeoutRelative;
+		}
+#endif
+
+	}
+}
+
+#endif