Question: Question 30 (7 points) void* sub ( void* arg ) { sleep ( 1 ); pthread_exit( arg ); } int main() { pthread_t tid[4]; for

Question 30 (7 points) void* sub ( void* arg ) {

Question 30 (7 points) void* sub ( void* arg ) { sleep ( 1 ); pthread_exit( arg ); } int main() { pthread_t tid[4]; for (int i=0; i

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