int BaseKillPlugin::tryToKillPids()

in src/oomd/plugins/BaseKillPlugin.cpp [491:515]

• 22 lines of code
• 6 McCabe index (conditional complexity)

int BaseKillPlugin::tryToKillPids(const std::vector<int>& pids) {
  std::ostringstream buf;
  int nr_killed = 0;

  for (int pid : pids) {
    auto comm_path = std::string("/proc/") + std::to_string(pid) + "/comm";
    auto comm = Fs::readFileByLine(comm_path);

    if (comm && comm->size()) {
      buf << " " << pid << "(" << comm.value()[0] << ")";
    } else {
      buf << " " << pid;
    }

    if (::kill(static_cast<pid_t>(pid), SIGKILL) == 0) {
      nr_killed++;
    } else {
      buf << "[E" << errno << "]";
    }
  }
  if (buf.tellp()) {
    OLOG << "Killed " << nr_killed << ":" << buf.str();
  }
  return nr_killed;
}