Method LockIndexing

Source/cmInstrumentation.cxx:880–885

Prevent multiple index processes from claiming snippets simultaneously

// Prevent multiple index processes from claiming snippets simultaneously
bool cmInstrumentation::LockIndexing()
{
  return this->AcquireLock(".index.lock", this->indexLock,
                           // -1 = no timeout
                           static_cast<unsigned long>(-1));
}

bool cmInstrumentation::AcquireLock(std::string const& lock_file,
                                    cmFileLock& lock, unsigned long timeout)