Create 5

5_Multithreaded-Programming/parity_checker.c

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+#include <stdio.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+// Shared variables
+int total_count = 0;
+int even_count = 0;
+pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+bool running = true;
+
+// Thread to report total count every 3 seconds
+void* report_total(void* arg) {
+    while(running) {
+        sleep(3);
+        pthread_mutex_lock(&mutex);
+        printf("Total numbers entered so far: %d\n", total_count);
+        pthread_mutex_unlock(&mutex);
+    }
+    return NULL;
+}
+
+// Thread to report even count every 5 seconds
+void* report_even(void* arg) {
+    while(running) {
+        sleep(5);
+        pthread_mutex_lock(&mutex);
+        printf("Total even numbers entered so far: %d\n", even_count);
+        pthread_mutex_unlock(&mutex);
+    }
+    return NULL;
+}
+
+int main() {
+    pthread_t total_thread, even_thread;
+    int num;
+    
+    // Create the reporting threads
+    pthread_create(&total_thread, NULL, report_total, NULL);
+    pthread_create(&even_thread, NULL, report_even, NULL);
+    
+    printf("Enter integers (enter a negative number to exit):\n");
+    
+    while(1) {
+        scanf("%d", &num);
+        
+        if(num < 0) {
+            printf("Negative number entered. Exiting program.\n");
+            break;
+        }
+        
+        pthread_mutex_lock(&mutex);
+        total_count++;
+        
+        if(num % 2 == 0) {
+            even_count++;
+            printf("%d is an even number.\n", num);
+        } else {
+            printf("%d is an odd number.\n", num);
+        }
+        pthread_mutex_unlock(&mutex);
+    }
+    
+    // Signal threads to terminate and wait for them
+    running = false;
+    pthread_join(total_thread, NULL);
+    pthread_join(even_thread, NULL);
+    
+    pthread_mutex_destroy(&mutex);
+    
+    return 0;
+}