Andrew is writing the following program to create a thread to sleep 1 second and then print out Hello, World. Please run this program to see what is the output. Identify and fix any bug with this program.

2. Andrew is writing the following program to create a thread to sleep 1 second and then print out Hello, World. Please run this program to see what is the output. Identify and fix any bug with this program. #include "csapp.h" void *thread(void *vargp); 1 2 3 4 5 int main() { pthread_t tid; 6 7 8 Pthread_create(&tid, NULL, thread, NULL); exit(0); 9 10 } 11 12 13 14 15 /* Thread routine */ void *thread(void *vargp) { Sleep (1); printf("Hello, world! "); return NULL; } 16 17 18 2. Andrew is writing the following program to create a thread to sleep 1 second and then print out Hello, World. Please run this program to see what is the output. Identify and fix any bug with this program. #include "csapp.h" void *thread(void *vargp); 1 2 3 4 5 int main() { pthread_t tid; 6 7 8 Pthread_create(&tid, NULL, thread, NULL); exit(0); 9 10 } 11 12 13 14 15 /* Thread routine */ void *thread(void *vargp) { Sleep (1); printf("Hello, world! "); return NULL; } 16 17 18