void checkFdLeak(const Runnable& r) {
// Get the currently open fds. Check that they are the same both before and
// after calling the specified function. We read the open fds from /proc.
void checkFdLeak(const Runnable& r) {
// Get the currently open fds. Check that they are the same both before and
// after calling the specified function. We read the open fds from /proc.