From 76fca221347339e210ba3a24d2739d8dd147c15c Mon Sep 17 00:00:00 2001
From: Benoit Steiner <benoit.steiner.goog@gmail.com>
Date: Fri, 9 Dec 2016 15:12:24 -0800
Subject: Use a more accurate timer to sleep on Linux systems.

---
 unsupported/Eigen/CXX11/src/Tensor/TensorMacros.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'unsupported/Eigen/CXX11/src/Tensor/TensorMacros.h')

diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorMacros.h b/unsupported/Eigen/CXX11/src/Tensor/TensorMacros.h
index 090e7a835..f92e39d69 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorMacros.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorMacros.h
@@ -53,8 +53,10 @@
 
 #if EIGEN_OS_WIN || EIGEN_OS_WIN64
 #define EIGEN_SLEEP(n) Sleep(n)
+#elif EIGEN_OS_GNULINUX
+#define EIGEN_SLEEP(n) usleep(n * 1000);
 #else
-#define EIGEN_SLEEP(n) sleep(n*1000)
+#define EIGEN_SLEEP(n) sleep(std::max<unsigned>(1, n/1000))
 #endif
 
 #endif
-- 
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