Github user jeking3 commented on a diff in the pull request: https://github.com/apache/thrift/pull/422#discussion_r28375162 --- Diff: lib/cpp/src/thrift/server/TNonblockingServer.cpp --- @@ -1393,9 +1397,42 @@ bool TNonblockingIOThread::notify(TNonblockingServer::TConnection* conn) { return false; } - const int kSize = sizeof(conn); - if (send(fd, const_cast_sockopt(&conn), kSize, 0) != kSize) { - return false; + fd_set wfds, efds; + int ret = -1; + int kSize = sizeof(conn); + const char * pos = (const char *)const_cast_sockopt(&conn); + + while (kSize > 0) { + FD_ZERO(&wfds); + FD_ZERO(&efds); + FD_SET(fd, &wfds); + FD_SET(fd, &efds); + ret = select(fd + 1, NULL, &wfds, &efds, NULL); --- End diff -- Seems like a dangerous assumption that the file descriptor you are interested is +1 from the obtained file descriptor. Did you mean to use `getNotificationRecvFD()` instead of `fd + 1` here?
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