From fa4f4a8a50c4bab3a3e247fb7186a7f9a00dfc11 Mon Sep 17 00:00:00 2001
From: Othmar Gsenger <otti@anytun.org>
Date: Mon, 3 Dec 2007 10:51:16 +0000
Subject: Added syncsocket

---
 Sockets/tests/semtest.cpp | 96 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 Sockets/tests/semtest.cpp

(limited to 'Sockets/tests/semtest.cpp')

diff --git a/Sockets/tests/semtest.cpp b/Sockets/tests/semtest.cpp
new file mode 100644
index 0000000..442d5d6
--- /dev/null
+++ b/Sockets/tests/semtest.cpp
@@ -0,0 +1,96 @@
+#include <stdio.h>
+#include <stdlib.h>
+#ifndef _WIN32
+#include <unistd.h>
+#include <Semaphore.h>
+#include <Mutex.h>
+#include <Thread.h>
+#include <Utility.h>
+#include <Lock.h>
+
+
+class MyThread : public Thread
+{
+public:
+	void Run() {
+		printf("Thread\n");
+	}
+};
+
+
+class SemLock
+{
+public:
+	SemLock(Semaphore& sem) : m_sem(sem) {
+		m_sem.Wait();
+	}
+	~SemLock() {
+		m_sem.Post();
+	}
+
+private:
+	Semaphore& m_sem;
+};
+
+
+/**
+ * Return time difference between two struct timeval's, in seconds
+ * \param t0 start time
+ * \param t	end time
+ */
+double Diff(struct timeval t0,struct timeval t)
+{
+	t.tv_sec -= t0.tv_sec;
+	t.tv_usec -= t0.tv_usec;
+	if (t.tv_usec < 0)
+	{
+		t.tv_usec += 1000000;
+		t.tv_sec -= 1;
+	}
+	return t.tv_sec + (double)t.tv_usec / 1000000;
+}
+
+
+static	int val = 0;
+
+void lock(Mutex& m, int i)
+{
+	Lock l(m);
+	val += i;
+}
+
+
+void lock(Semaphore& s, int i)
+{
+	SemLock l(s);
+	val += i;
+}
+#endif // WIN32
+
+
+int main()
+{
+#ifndef _WIN32
+	Mutex mutex;
+	Semaphore sema(1);
+	struct timeval start;
+	struct timeval tt;
+	double d;
+
+	Utility::GetTime(&start);
+	for (int i = 0; i < 100000; i++)
+		lock(mutex, i);
+	Utility::GetTime(&tt);
+	d = Diff(start, tt);
+	printf("%.4f sec\n", d);
+
+	Utility::GetTime(&start);
+	for (int i = 0; i < 100000; i++)
+		lock(sema, i);
+	Utility::GetTime(&tt);
+	d = Diff(start, tt);
+	printf("%.4f sec\n", d);
+#endif
+}
+
+
-- 
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