xref: /aosp_15_r20/external/cronet/base/process/process_iterator_win.cc (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b) 
1 // Copyright 2013 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "base/process/process_iterator.h"
6 
7 #include "base/strings/string_util.h"
8 
9 namespace base {
10 
ProcessIterator(const ProcessFilter * filter)11 ProcessIterator::ProcessIterator(const ProcessFilter* filter)
12     : snapshot_(CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)),
13       filter_(filter) {}
14 
~ProcessIterator()15 ProcessIterator::~ProcessIterator() {
16   CloseHandle(snapshot_);
17 }
18 
CheckForNextProcess()19 bool ProcessIterator::CheckForNextProcess() {
20   InitProcessEntry(&entry_);
21 
22   if (!started_iteration_) {
23     started_iteration_ = true;
24     return !!Process32First(snapshot_, &entry_);
25   }
26 
27   return !!Process32Next(snapshot_, &entry_);
28 }
29 
InitProcessEntry(ProcessEntry * entry)30 void ProcessIterator::InitProcessEntry(ProcessEntry* entry) {
31   memset(entry, 0, sizeof(*entry));
32   entry->dwSize = sizeof(*entry);
33 }
34 
IncludeEntry()35 bool NamedProcessIterator::IncludeEntry() {
36   // Case insensitive.
37   return !_wcsicmp(executable_name_.c_str(), entry().exe_file()) &&
38          ProcessIterator::IncludeEntry();
39 }
40 
41 }  // namespace base
42