burn

burn.cpp

#include <string>
#include <sys/types.h>
#include <pwd.h>
#include <uuid/uuid.h>
#include <vector>
#include <thread>

static size_t burn() {
    size_t ret = 0;
    setpwent();
    struct passwd *pw;
    while ((pw = getpwent()) != NULL) {
        const std::string pw_name_str = pw->pw_name;
        ret += pw_name_str.size();
    }
    endpwent();
    return ret;
}

int main(void) {
    std::vector<std::thread> threads;
    for (size_t i=0; i < 1000; i++) {
        threads.push_back(std::thread(burn));
    }
    for (auto &t : threads) {
        t.join();
    }
    return 0;
}