1 /* 2 * Copyright 2016-present Facebook, Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 // This file only exists because without it there would be 20 // a circular dependency between SysUio.h, Sockets.h, and Unistd.h 21 #ifndef _WIN32 22 #include <limits.h> 23 #include <sys/uio.h> 24 #else 25 #include <stdlib.h> 26 27 #define UIO_MAXIOV 16 28 #define IOV_MAX UIO_MAXIOV 29 30 struct iovec { 31 void* iov_base; 32 size_t iov_len; 33 }; 34 #endif 35