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