linux-sysprog · beginner · ~15 min

Forgotten joins

Catch the resource-leak mistake.

Challenge

Implement int forgotten_joins(int created, int joined) returning how many joinable threads were never joined (created - joined, floored at 0).

Starter code

int forgotten_joins(int created, int joined) {
    /* TODO */
    return 0;
}

Solve this exercise in the browser editor — compile and run against the test harness, no setup required.