C++(boost)：通过boost::process::child同步调用其他程序

boost提供了boost::process::child，可以通过其调用其他程序，并获得输出：

#include 
#include 
#include 
#include 
#include 
#include 
 
using namespace std;
 
template <typename... ArgTypes>
tuple<int, vector > execCmd(const char* path, ArgTypes&&... tArgs)
{
    vector stdOutput;
    boost::process::ipstream stdOutStream;
    boost::process::child execProg(path, const_cast<char*>(tArgs)...,
                                   boost::process::std_out > stdOutStream);
    string stdOutLine;
 
    while (stdOutStream && getline(stdOutStream, stdOutLine) && !stdOutLine.empty())
    {
        stdOutput.emplace_back(stdOutLine);
    }
 
    execProg.wait();
 
    int retCode = execProg.exit_code();
    return make_tuple(retCode, stdOutput);
}
 
int main()
{
    int cmdRetC