Function getProcessTreeFromJob

src/envmodule.cpp:634–707

}

Process getProcessTreeFromJob(HANDLE h)
{
  const auto ids = processesInJob(h);
  if (ids.empty()) {
    return {};
  }

  std::vector<Process> ps;

  forEachRunningProcess([&](auto&& entry) {
    for (auto&& id : ids) {
      if (entry.th32ProcessID == id) {
        ps.push_back(Process(entry.th32ProcessID, entry.th32ParentProcessID,
                             QString::fromStdWString(entry.szExeFile)));

        break;
      }
    }

    return true;
  });

  Process root;

  {
    // getting processes whose parent is not in the list
    for (auto&& possibleRoot : ps) {
      const auto ppid = possibleRoot.ppid();
      bool found      = false;

      for (auto&& p : ps) {
        if (p.pid() == ppid) {
          found = true;
          break;
        }
      }

      if (!found) {
        // this is a root process
        root.addChild(possibleRoot);
      }
    }

    // removing root processes from the list
    auto newEnd = std::remove_if(ps.begin(), ps.end(), [&](auto&& p) {
      for (auto&& rp : root.children()) {
        if (rp.pid() == p.pid()) {
          return true;
        }
      }

      return false;
    });

    ps.erase(newEnd, ps.end());
  }

  // at this point, `processes` should only contain processes that are direct