gistfile1.cpp

void* thread1_function(void* parameter){   

   pthread_mutex_lock(&lock1);           
   pthread_mutex_lock(&lock2); // DEADLOCK
   ...
   ...
   pthread_mutex_lock(&lock2);
   pthread_mutex_lock(&lock1);
} 

void* thread2_function(void* parameter){

   pthread_mutex_lock(&lock2);           
   pthread_mutex_lock(&lock1);
   ...
   ...
   pthread_mutex_lock(&lock1);
   pthread_mutex_lock(&lock2);
} 

main(){
   ...
   pthread_create(&thread1, NULL, thread1_function, NULL);
   pthread_create(&thread2, NULL, thread2_function, NULL);
   ...
}