<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/88515>88515</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            DAP attach by process only matches the filename, not the path.
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          tristanlabelle
      </td>
    </tr>
</table>

<pre>
    The DAP `attach` request with `program` argument is documented to match the process path:
https://github.com/llvm/llvm-project/blob/3cba3c783ca8712981734ee8ef7f2f56685a7a68/lldb/tools/lldb-dap/package.json#L277

But in practice it only matches on the process filename:
https://github.com/llvm/llvm-project/blob/b4df0da9e8421c8026bd09980b8a6acd7a6ce8c9/lldb/source/Utility/ProcessInfo.cpp#L301

Hence if two processes with the same filename but different paths are running, there will be an ambiguity and attaching will fail, when it should be unambiguous.


(Originally found with the Swift LLDB variant and reported here: https://github.com/swift-server/vscode-swift/issues/745 , but this is a general lldb-dap issue)
</pre>
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