From 3ee2fdea3adc70148e632b333067fd445e8be87e Mon Sep 17 00:00:00 2001
From: Bjoern Brandenburg <bbb@mpi-sws.org>
Date: Tue, 21 Feb 2012 10:09:34 +0100
Subject: Implement timeout in BaruahGEDF

Give up after running for 5 seconds. This is almost never triggered, but once in a while
this should help to catch a pseudo-polynomial excursion.
---
 native/src/cpu_time.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 native/src/cpu_time.cpp

(limited to 'native/src/cpu_time.cpp')

diff --git a/native/src/cpu_time.cpp b/native/src/cpu_time.cpp
new file mode 100644
index 0000000..a7dfa6d
--- /dev/null
+++ b/native/src/cpu_time.cpp
@@ -0,0 +1,25 @@
+
+#include <sys/time.h>
+#include <sys/resource.h>
+
+#include "cpu_time.h"
+
+#ifdef RUSAGE_THREAD
+// This is a Linuxism...
+#define ACCOUNTING_SCOPE RUSAGE_THREAD
+#else
+// This is POSIX.
+#define ACCOUNTING_SCOPE RUSAGE_SELF
+#endif
+
+double get_cpu_usage(void)
+{
+	struct rusage u;
+	if (getrusage(ACCOUNTING_SCOPE, &u) == 0)
+	{
+		return u.ru_utime.tv_sec + u.ru_utime.tv_usec / 1E6;
+	}
+	else
+		return 0.0;
+}
+
-- 
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