13b1f34279
We loop over /proc to iterate through pids in a lot of code, so let's consolidate this into a single function in libbase. Test: new unit test Change-Id: I908fab90b603546d0e3e8b8acdc8dadfc3552d62
39 lines
988 B
C++
39 lines
988 B
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "android-base/process.h"
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namespace android {
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namespace base {
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void AllPids::PidIterator::Increment() {
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if (!dir_) {
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return;
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}
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dirent* de;
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while ((de = readdir(dir_.get())) != nullptr) {
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pid_t pid = atoi(de->d_name);
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if (pid != 0) {
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pid_ = pid;
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return;
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}
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}
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pid_ = -1;
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}
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} // namespace base
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} // namespace android
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