如何理解 boost::mpi 错误代码?例如,错误代码 834983239 是什么意思?
...
mpi::communicator world;
mpi::request req = world.isend(1, 1, std::string("hello"));
while(!req.test()) {
boost::this_thread::sleep(boost::posix_time::seconds(1));
}
int errorCode = req.test()->error();
...