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authorMattes D <github@xoft.cz>2016-06-26 15:51:12 +0200
committerworktycho <work.tycho@gmail.com>2016-06-26 15:51:12 +0200
commit1462e4f70e6bc8e42f6a5b5e959b7e34f2774a73 (patch)
treeb94e203e895c25d7724c3db71564fcbf4027fb9e /tests/OSSupport/StressEvent.cpp
parentMerge pull request #3240 from cuberite/grownvisualizer (diff)
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Diffstat (limited to 'tests/OSSupport/StressEvent.cpp')
-rw-r--r--tests/OSSupport/StressEvent.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/tests/OSSupport/StressEvent.cpp b/tests/OSSupport/StressEvent.cpp
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+++ b/tests/OSSupport/StressEvent.cpp
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+
+// StressEvent.cpp
+
+// Stress-tests the cEvent implementation
+
+#include "Globals.h"
+#include <thread>
+
+
+
+
+
+/** Number of repetitions of the thread loops. */
+const int NUM_REPETITIONS = 5000;
+
+
+
+
+// Forward declarations are needed for clang
+void runThread(cEvent * a_Event1, cEvent * a_Event2, const char * a_ThreadName);
+
+
+
+
+
+/** Function that runs in a separate thread, notifies event1 and waits for event2, in a loop, NUM_REPETITIONS times.
+This basically simulates a producer / consumer pattern with 2 events, one for "queue empty", the other for "queue full". */
+void runThread(cEvent * a_Event1, cEvent * a_Event2, const char * a_ThreadName)
+{
+ LOG("Thread %s started", a_ThreadName);
+ for (int i = 0; i < NUM_REPETITIONS; ++i)
+ {
+ // LOGD("%s: Waiting for event %p (%d)", a_ThreadName, a_Event2, i);
+ a_Event2->Wait();
+ // LOGD("%s: Setting event %p (%d)", a_ThreadName, a_Event1, i);
+ a_Event1->SetAll();
+ }
+ LOG("Thread %s finished", a_ThreadName);
+}
+
+
+
+
+
+int main()
+{
+ LOG("Test started");
+ cEvent event1, event2;
+ event1.Set();
+ std::thread thread1(&runThread, &event1, &event2, "A");
+ std::thread thread2(&runThread, &event2, &event1, "B");
+ thread1.join();
+ thread2.join();
+ LOG("Test finished");
+ return 0;
+}
+
+
+
+