114   bool Init(const std::vector<std::string>& filenames, /* out */ std::string* error) {  in Init()  argument
116       flocks_[i] = LockedFile::Open(filenames[i].c_str(), O_RDWR, /* block= */ true, error);  in Init()
118         *error += " (index=" + std::to_string(i) + ")";  in Init()
126   bool Init(const std::vector<int>& fds, /* out */ std::string* error) {  in Init()  argument
130                                      /* read_only_mode= */ true, error);  in Init()
132         *error += " (index=" + std::to_string(i) + ")";  in Init()
152   std::string error;  in ProcessProfiles()  local
154   if (!profile_files.Init(profile_files_fd, &error)) {  in ProcessProfiles()
155     LOG(WARNING) << "Could not lock profile files: " << error;  in ProcessProfiles()
164                                                          &error);  in ProcessProfiles()
166     LOG(WARNING) << "Could not lock reference profiled files: " << error;  in ProcessProfiles()
181   std::string error;  in ProcessProfiles()  local
184   if (!profile_files_list.Init(profile_files, &error)) {  in ProcessProfiles()
185     LOG(WARNING) << "Could not lock profile files: " << error;  in ProcessProfiles()
190       reference_profile_file.c_str(), O_RDWR, /* block= */ true, &error);  in ProcessProfiles()
192     LOG(WARNING) << "Could not lock reference profile files: " << error;  in ProcessProfiles()