1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "android-base/process.h" 18 19 #include <stdlib.h> 20 21 namespace android { 22 namespace base { 23 Increment()24void AllPids::PidIterator::Increment() { 25 if (!dir_) { 26 return; 27 } 28 29 dirent* de; 30 while ((de = readdir(dir_.get())) != nullptr) { 31 pid_t pid = atoi(de->d_name); 32 if (pid != 0) { 33 pid_ = pid; 34 return; 35 } 36 } 37 pid_ = -1; 38 } 39 40 } // namespace base 41 } // namespace android 42