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2. The program below creates a POSIX thread. (All error checking has been removed to conserve space on this page.) void *concurrentOperation(void *parameter); int main(void)

2. The program below creates a POSIX thread. (All error checking has been removed to conserve space on this page.) void *concurrentOperation(void *parameter); int main(void) { int status; pthread_t threadID; status = pthread_create(____, ____, ____, ____); status = pthread_join(____, ____); return 0; } // End main void *concurrentOperation(void *parameter) { sleep(2); } Given the following prototypes for the pthread_create() and pthread_join() functions, answer the questions below. int pthread_create(pthread_t *thread, const pthread_attr_t *attributes, void *(*start_routine(void *), void *argument); int pthread_join(pthread_t thread, void **valuePtr); a) What are the four actual parameters that need to be passed to the pthread_create() function in the program above? b) What are the two actual parameters that need to be passed to the pthread_join() function in the program above?

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