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authorYuqian Yang <crupest@crupest.life>2025-02-28 23:13:39 +0800
committerYuqian Yang <crupest@crupest.life>2025-02-28 23:13:39 +0800
commitdc1f0c4c0096013799416664894c5194dc7e1f52 (patch)
tree2f5d235f778cd720f4c39ec3e56b77ba6d99f375 /store/works/life/operating-system-experiment/MutexAvoidDataRaceDemo.cpp
parent7299d424d90b1effb6db69e3476ddd5af72eeba4 (diff)
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chore(store): move everything to store.
Diffstat (limited to 'store/works/life/operating-system-experiment/MutexAvoidDataRaceDemo.cpp')
-rw-r--r--store/works/life/operating-system-experiment/MutexAvoidDataRaceDemo.cpp42
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diff --git a/store/works/life/operating-system-experiment/MutexAvoidDataRaceDemo.cpp b/store/works/life/operating-system-experiment/MutexAvoidDataRaceDemo.cpp
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+++ b/store/works/life/operating-system-experiment/MutexAvoidDataRaceDemo.cpp
@@ -0,0 +1,42 @@
+#include "Mutex.h"
+#include "Thread.h"
+
+#include <iostream>
+
+int main() {
+
+ unsigned data = 0;
+ cru::Mutex mutex;
+ mutex.Lock();
+
+ cru::Thread t1([&data, &mutex] {
+ for (int i = 0; i < 100000; i++) {
+ mutex.Lock();
+ data += 10;
+ //std::cout << "Data is now: " << data << '\n';
+ mutex.Unlock();
+ }
+ });
+
+ cru::Thread t2([&data, &mutex] {
+ for (int i = 0; i < 100000; i++) {
+ mutex.Lock();
+ data += 10;
+ //std::cout << "Data is now: " << data << '\n';
+ mutex.Unlock();
+ }
+ });
+
+ std::cout << "Created thread: " << t1.GetNativeID() << '\n';
+ std::cout << "Created thread: " << t2.GetNativeID() << '\n';
+
+ mutex.Unlock();
+
+ t1.Join();
+ t2.Join();
+
+ std::cout << "Answer is " << data << ", which is "
+ << (data == 2000000 ? "correct" : "false") << '\n';
+
+ return 0;
+}