报错解决： error: ‘writev’ was not declared in this scope

下午在编译paxosstore时报错如下：

-> # g++ -O0 -g2 -DCERTAIN_DEBUG=0  -std=c++11 -I./ -I./src/ -I./include/ -I./third/protobuf/src -I./third/libco -I./third/googletest/googletest/include -I./third/grpc/include -I./third -I.//example -I./third/rocksdb -I./third/rocksdb/include -I./third/rocksdb/include/rocksdb -DROCKSDB_PLATFORM_TYPE -DROCKSDB_PLATFORM_POSIX -c network/IOChannel.cpp -o network/IOChannel.o
network/IOChannel.cpp: In member function ‘int Certain::clsIOChannel::FlushWriteBuffer()’:
network/IOChannel.cpp:127:16: error: ‘writev’ was not declared in this scopeiRet = writev(iFD, atBuffer + iBufferIdx, 2 - iBufferIdx);^~~~~~
network/IOChannel.cpp:127:16: note: suggested alternative: ‘write’iRet = writev(iFD, atBuffer + iBufferIdx, 2 - iBufferIdx);^~~~~~write

解决方法是添加头文件：

#include<sys/uio.h>

参考：[roscpp] add missing header for writev(). by rojkov · Pull Request #1105 · ros/ros_comm

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报错解决： error: ‘writev’ was not declared in this scope

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