// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/process/process_iterator.h"
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#include "build/build_config.h"
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namespace base {
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#if defined(OS_POSIX) || defined(OS_FUCHSIA)
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ProcessEntry::ProcessEntry() : pid_(0), ppid_(0), gid_(0) {}
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ProcessEntry::ProcessEntry(const ProcessEntry& other) = default;
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ProcessEntry::~ProcessEntry() = default;
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#endif
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const ProcessEntry* ProcessIterator::NextProcessEntry() {
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bool result = false;
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do {
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result = CheckForNextProcess();
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} while (result && !IncludeEntry());
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if (result)
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return &entry_;
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return nullptr;
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}
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ProcessIterator::ProcessEntries ProcessIterator::Snapshot() {
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ProcessEntries found;
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while (const ProcessEntry* process_entry = NextProcessEntry()) {
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found.push_back(*process_entry);
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}
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return found;
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}
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bool ProcessIterator::IncludeEntry() {
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return !filter_ || filter_->Includes(entry_);
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}
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NamedProcessIterator::NamedProcessIterator(
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const FilePath::StringType& executable_name,
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const ProcessFilter* filter) : ProcessIterator(filter),
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executable_name_(executable_name) {
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#if defined(OS_ANDROID)
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// On Android, the process name contains only the last 15 characters, which
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// is in file /proc/<pid>/stat, the string between open parenthesis and close
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// parenthesis. Please See ProcessIterator::CheckForNextProcess for details.
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// Now if the length of input process name is greater than 15, only save the
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// last 15 characters.
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if (executable_name_.size() > 15) {
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executable_name_ = FilePath::StringType(executable_name_,
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executable_name_.size() - 15, 15);
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}
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#endif
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}
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NamedProcessIterator::~NamedProcessIterator() = default;
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int GetProcessCount(const FilePath::StringType& executable_name,
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const ProcessFilter* filter) {
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int count = 0;
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NamedProcessIterator iter(executable_name, filter);
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while (iter.NextProcessEntry())
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++count;
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return count;
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}
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} // namespace base
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