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| author | Yuqian Yang <crupest@crupest.life> | 2025-02-28 23:13:39 +0800 |
|---|---|---|
| committer | Yuqian Yang <crupest@crupest.life> | 2025-02-28 23:13:39 +0800 |
| commit | dc1f0c4c0096013799416664894c5194dc7e1f52 (patch) | |
| tree | 2f5d235f778cd720f4c39ec3e56b77ba6d99f375 /store/works/life/operating-system-challenge/3/main.cpp | |
| parent | 7299d424d90b1effb6db69e3476ddd5af72eeba4 (diff) | |
| download | crupest-dc1f0c4c0096013799416664894c5194dc7e1f52.tar.gz crupest-dc1f0c4c0096013799416664894c5194dc7e1f52.tar.bz2 crupest-dc1f0c4c0096013799416664894c5194dc7e1f52.zip | |
chore(store): move everything to store.
Diffstat (limited to 'store/works/life/operating-system-challenge/3/main.cpp')
| -rw-r--r-- | store/works/life/operating-system-challenge/3/main.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/store/works/life/operating-system-challenge/3/main.cpp b/store/works/life/operating-system-challenge/3/main.cpp new file mode 100644 index 0000000..461c775 --- /dev/null +++ b/store/works/life/operating-system-challenge/3/main.cpp @@ -0,0 +1,68 @@ +#include <iostream>
+#include <mutex>
+#include <thread>
+
+int main() {
+ int turn = 1;
+ int count = 0;
+ std::mutex mutex;
+
+ auto thread_proc1 = [&] {
+ while (true) {
+ {
+ std::lock_guard<std::mutex> guard(mutex);
+ if (count >= 10)
+ break;
+ if (turn == 1) {
+ std::cout << "A" << std::endl;
+ turn = 2;
+ }
+ }
+
+ std::this_thread::yield();
+ }
+ };
+
+ auto thread_proc2 = [&] {
+ while (true) {
+ {
+ std::lock_guard<std::mutex> guard(mutex);
+ if (count >= 10)
+ break;
+ if (turn == 2) {
+ std::cout << "B" << std::endl;
+ turn = 3;
+ }
+ }
+
+ std::this_thread::yield();
+ }
+ };
+
+ auto thread_proc3 = [&] {
+ while (true) {
+ {
+ std::lock_guard<std::mutex> guard(mutex);
+ if (count >= 10)
+ break;
+ if (turn == 3) {
+ std::cout << "C" << std::endl;
+ turn = 1;
+ count++;
+ }
+ }
+
+ std::this_thread::yield();
+ }
+ };
+
+ std::thread thread1(thread_proc1);
+ std::thread thread2(thread_proc2);
+ std::thread thread3(thread_proc3);
+
+ thread1.join();
+ thread2.join();
+ thread3.join();
+
+ return 0;
+}
|