[lldb-dev] [Bug 24976] New: Data from SBProcess::PutSTDIN appears in SBProcess::GetSTDOUT

[via lldb-dev]

https://llvm.org/bugs/show_bug.cgi?id=24976

            Bug ID: 24976
           Summary: Data from SBProcess::PutSTDIN appears in
                    SBProcess::GetSTDOUT
           Product: lldb
           Version: 3.6
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: All Bugs
          Assignee: lldb-dev at lists.llvm.org
          Reporter: berykubik at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 14953
  --> https://llvm.org/bugs/attachment.cgi?id=14953&action=edit
Python script with PutSTDIN and GetSTDOUT test

When I use the function SBProcess::PutSTDIN to put data into process' STDIN,
the entered data then appears when I get the process' STDOUT.

I attached C++ test program which reads a string (x) and then outputs "stdout:
<x>" and a python script that shows that the stdout contains both "stdout: <x>"
and x. The sleep is there to wait for the program to output data.

// C++ program:
#include <iostream>

using namespace std;

int main(int argc, char** argv)
{
    string a;
    cin >> a;
    cout << "stdout: " << a << endl;

    return 0;
}

After I run this program with input "test", it should output "stdout: test".
But when I put "test" to the process via PutSTDIN, the GetSTDOUT contains both
"test" and "stdout: test".

Am I doing something wrong?

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