xref: /aosp_15_r20/system/libbase/process.cpp (revision 8f0ba417480079999ba552f1087ae592091b9d02)

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "android-base/process.h"

#include <stdlib.h>

namespace android {
namespace base {

void AllPids::PidIterator::Increment() {
  if (!dir_) {
    return;
  }

  dirent* de;
  while ((de = readdir(dir_.get())) != nullptr) {
    pid_t pid = atoi(de->d_name);
    if (pid != 0) {
      pid_ = pid;
      return;
    }
  }
  pid_ = -1;
}

}  // namespace base
}  // namespace android