Lab5

Lab5/ex4.c

@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <wait.h>
+#include <pthread.h>
+#include <unistd.h>
+
+/*
+pthread_t phread_self(void);
+
+void * start_routine(void * arg);
+int pthread_create(pthread_t * thread, const pthread_attr_t * attr,
+	void *(start_routine)(void *), void * arg);
+void pthread_exit(void *retval);
+*/
+
+int globalVar = 5;
+
+void * start_routine(void * arg) {
+	//int pid = pthread_self();
+	//printf("%d\n",pid);
+	globalVar += 1;
+	printf("%d\n",globalVar);
+	pthread_exit(NULL);
+}
+
+int main() {
+
+	int val1 = 5;
+	int val2 = 11;
+
+	pthread_t threads[1000];
+
+	pthread_t thread1;
+	pthread_t thread2;
+
+	for (int i = 0; i < 1000; ++i){
+		pthread_create(&threads[i], NULL, &start_routine, NULL);
+		pthread_join(threads[i], NULL);
+	}
+
+	pthread_create(&thread1, NULL, &start_routine, NULL);
+	pthread_join(thread1, NULL);
+	pthread_create(&thread2, NULL, &start_routine, NULL);
+	pthread_join(thread2, NULL);
+
+
+	//printf("%d\n",globalVar);
+
+	printf("Program started!\n");
+
+
+
+
+	return 0;
+}