The code that follows is a POSIX application that makes use of threads. How will the race problem be resolved if I modify the code to pthread_join(thread[i], NULL) after the status check that is performed inside the for() loop?

Please explain provide proof. Thanks

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#include #include #include #define NUMBER_OF_THREADS 10 void *print_hello_world(void *tid) { /* This function prints the thread's identifier and then exits. */ printf("Hello World. Greetings from thread %d ", tid); pthread_exit(NULL); } int main(int argc, char *argv[]) { /* The main program creates 10 threads and then exits. */ pthread_t threads[NUMBER_OF_THREADS]; int status, i; for (i=0; i < NUMBER_OF_THREADS; i++) { printf("Main here. Creating thread %d ", i); status = pthread_create(&threads[i], NULL, print_hello_world, (void *)i); } if (status != 0) { printf("Oops. pthread_create returned error code %d ", status); exit(-1); } exit(NULL); #include #include #include #define NUMBER_OF_THREADS 10 void *print_hello_world(void *tid) { /* This function prints the thread's identifier and then exits. */ printf("Hello World. Greetings from thread %d ", tid); pthread_exit(NULL); } int main(int argc, char *argv[]) { /* The main program creates 10 threads and then exits. */ pthread_t threads[NUMBER_OF_THREADS]; int status, i; for (i=0; i < NUMBER_OF_THREADS; i++) { printf("Main here. Creating thread %d ", i); status = pthread_create(&threads[i], NULL, print_hello_world, (void *)i); } if (status != 0) { printf("Oops. pthread_create returned error code %d ", status); exit(-1); } exit(NULL);