P5 initial

P5/Main.cpp

@@ -0,0 +1,142 @@
+#include <iostream>
+#include <thread>
+#include <mutex>
+#include "Semaphore.h"
+#include <process.h>
+
+using namespace std;
+
+// Thread T1 - Schreibt alle Kleinbuchstaben des Alphabets
+void thread1() {
+    for (char c = 'a'; c <= 'z'; ++c) {
+        cout << c << ' ';
+    }
+    cout << endl;
+}
+
+// Thread T2 - Schreibt alle natürlichen Zahlen von 0 bis 32
+void thread2() {
+    for (int i = 0; i <= 32; ++i) {
+        cout << i << ' ';
+    }
+    cout << endl;
+}
+
+// Thread T3 - Schreibt alle Großbuchstaben des Alphabets
+void thread3() {
+    for (char c = 'A'; c <= 'Z'; ++c) {
+        cout << c << ' ';
+    }
+    cout << endl;
+}
+
+void asynch_init(){
+    // Start der Threads
+    thread t1(thread1);
+    thread t2(thread2);
+    thread t3(thread3);
+    
+    // Warten auf die Beendigung der Threads
+    t1.join();
+    t2.join();
+    t3.join();
+}
+
+mutex mtx;
+
+void mutexThread1() {
+    mtx.lock();
+
+    for (char ch = 'a'; ch <= 'z'; ch++) {
+        cout << ch << " ";
+    }
+    cout << endl;
+
+    mtx.unlock();
+}
+
+void mutexThread2() {
+   
+    mtx.lock();
+
+    for (int i = 0; i < 33; i++) {
+        cout << i << " ";
+    }
+    cout << endl;
+
+    mtx.unlock();
+}
+
+void mutexThread3() {
+    mtx.lock();
+
+    for (char ch = 'A'; ch <= 'Z'; ch++) {
+        cout << ch << " ";
+    }
+    cout << endl;
+
+    mtx.unlock();
+}
+
+void mutex_init() {
+    thread t1(mutexThread1); // mutexThread1 is running
+    thread t2(mutexThread2); // mutexThread2 is running
+    thread t3(mutexThread3); // mutexThread3 is running
+    t1.join();  // main thread waits for t1 to finish
+    t2.join();  // main thread waits for t2 to finish
+    t3.join();  // main thread waits for t3 to finish
+}
+
+Semaphore semaphore;
+
+void semaphoreThread1() {
+    semaphore.wait();
+    for (char ch = 'a'; ch <= 'z'; ch++) {
+        cout << ch << " ";
+    }
+    cout << endl;
+    semaphore.post();
+}
+
+void semaphoreThread2() {
+    semaphore.wait();
+    for (int i = 0; i < 33; i++) {
+        cout << i << " ";
+    }
+    cout << endl;
+    semaphore.post();
+
+}
+
+void semaphoreThread3() {
+    semaphore.wait();
+    for (char ch = 'A'; ch <= 'Z'; ch++) {
+        cout << ch << " ";
+    }
+    cout << endl;
+    semaphore.post();
+
+}
+
+void semaphore_init() {
+    thread t1(semaphoreThread1); // thread1 is running
+    thread t2(semaphoreThread2); // thread2 is running
+    thread t3(semaphoreThread3); // thread3 is running
+    t1.join();  // main thread waits for t1 to finish
+    t2.join();  // main thread waits for t2 to finish
+    t3.join();  // main thread waits for t3 to finish
+}
+
+int main() {
+
+    cout << "Asynch" << endl;
+    asynch_init();
+
+    cout << "Mutex" << endl;
+    mutex_init();
+
+    cout << "Semaphore" << endl;
+    semaphore_init();
+    
+    return 0;
+}