// but the files are actually the same (symlinked).
sprintf(out_name, "/tmp/racecheck_unittest_out.%d", getpid());
fd_out = creat(out_name, O_WRONLY | S_IRWXU);
// but the files are actually the same (symlinked).
sprintf(out_name, "/tmp/racecheck_unittest_out.%d", getpid());
fd_out = creat(out_name, O_WRONLY | S_IRWXU);