Sanitizers/data_race/data_race_case.cpp

#include <pthread.h>
#include <stdio.h>
#include <string>
#include <map>

typedef std::map<std::string, std::string> map_t;

void *threadfunc(void *p) {
    map_t &m = *(map_t *) p;
    m["foo"] = "bar";
    return 0;
}

int main() {
    map_t m;
    pthread_t t;
    pthread_create(&t, 0, threadfunc, &m);
    printf("String: foo=%s\n", m["foo"].c_str());
    pthread_join(t, 0);
}