blob: 920c8d0c076e5638c96b971bc702085351ede6c9 [file] [log] [blame]
// 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 defined(OS_POSIX)
ProcessEntry::ProcessEntry() : pid_(0), ppid_(0), gid_(0) {}
ProcessEntry::ProcessEntry(const ProcessEntry& other) = default;
ProcessEntry::~ProcessEntry() {}
#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 defined(OS_ANDROID)
// On Android, the process name contains only the last 15 characters, which
// is in file /proc/<pid>/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() {
}
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