Q198
What is the output of this program? #include #include #include #include int main() sem_t* sem_id; sem_id = sem_open("sem_value",O_CREAT,0666,0); if(sem_id == SEM_FAILED) perror("sem_open"); sem_post(sem_id); printf("Example "); if(sem_close(sem_id) == -1) perror("sem_close"); return 0;
A.
this process will block
B.
this program will print the string "Example"
AnswerC.
segmentation fault
D.
none of the mentioned
Answer: Option B
Solution
Answer: Option B
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