#include<pthread.h>
#include<stdio.h>
#include<string.h>
#include<unistd.h>

pthread_mutex_t print_mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;

void* thread_one(void* param){
	sleep(1);
	pthread_mutex_lock(&print_mutex);
	pthread_mutex_lock(&print_mutex);
	puts("Gorilla");

	pthread_mutex_unlock(&print_mutex);
	pthread_mutex_unlock(&print_mutex);
}

void* thread_two(void* param){
	char *word = "rabbit";
	pthread_mutex_lock(&print_mutex);
	for(int i = 0; i < strlen(word); i++){
		printf("%c\n", word[i]);
		sleep(1);
	}
	printf("\n");
	pthread_mutex_unlock(&print_mutex);
}

int main(){
	pthread_t one, two;
	pthread_create(&one, 0, thread_one, 0);
	pthread_create(&two, 0, thread_two, 0);

	pthread_join(one, 0);
	pthread_join(two, 0);
	return 0;
}