Method RecursiveCreateDir

tensorflow/core/debug/debug_io_utils.cc:657–689

}

Status DebugFileIO::RecursiveCreateDir(Env* env, const string& dir) {
  if (env->FileExists(dir).ok() && env->IsDirectory(dir).ok()) {
    // The path already exists as a directory. Return OK right away.
    return Status::OK();
  }

  string parent_dir(io::Dirname(dir));
  if (!env->FileExists(parent_dir).ok()) {
    // The parent path does not exist yet, create it first.
    Status s = RecursiveCreateDir(env, parent_dir);  // Recursive call
    if (!s.ok()) {
      return Status(
          error::FAILED_PRECONDITION,
          strings::StrCat("Failed to create directory  ", parent_dir));
    }
  } else if (env->FileExists(parent_dir).ok() &&
             !env->IsDirectory(parent_dir).ok()) {
    // The path exists, but it is a file.
    return Status(error::FAILED_PRECONDITION,
                  strings::StrCat("Failed to create directory  ", parent_dir,
                                  " because the path exists as a file "));
  }

  env->CreateDir(dir).IgnoreError();
  // Guard against potential race in creating directories by doing a check
  // after the CreateDir call.
  if (env->FileExists(dir).ok() && env->IsDirectory(dir).ok()) {
    return Status::OK();
  } else {
    return Status(error::ABORTED,
                  strings::StrCat("Failed to create directory  ", parent_dir));
  }
}

// Default total disk usage limit: 100 GBytes
const uint64 DebugFileIO::kDefaultGlobalDiskBytesLimit = 107374182400L;