1 //===-- OperatingSystem.cpp -------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Target/OperatingSystem.h"
11 #include "lldb/Core/PluginManager.h"
12 #include "lldb/Target/Thread.h"
13 
14 using namespace lldb;
15 using namespace lldb_private;
16 
FindPlugin(Process * process,const char * plugin_name)17 OperatingSystem *OperatingSystem::FindPlugin(Process *process,
18                                              const char *plugin_name) {
19   OperatingSystemCreateInstance create_callback = nullptr;
20   if (plugin_name) {
21     ConstString const_plugin_name(plugin_name);
22     create_callback =
23         PluginManager::GetOperatingSystemCreateCallbackForPluginName(
24             const_plugin_name);
25     if (create_callback) {
26       std::unique_ptr<OperatingSystem> instance_ap(
27           create_callback(process, true));
28       if (instance_ap)
29         return instance_ap.release();
30     }
31   } else {
32     for (uint32_t idx = 0;
33          (create_callback =
34               PluginManager::GetOperatingSystemCreateCallbackAtIndex(idx)) !=
35          nullptr;
36          ++idx) {
37       std::unique_ptr<OperatingSystem> instance_ap(
38           create_callback(process, false));
39       if (instance_ap)
40         return instance_ap.release();
41     }
42   }
43   return nullptr;
44 }
45 
OperatingSystem(Process * process)46 OperatingSystem::OperatingSystem(Process *process) : m_process(process) {}
47 
48 OperatingSystem::~OperatingSystem() = default;
49 
IsOperatingSystemPluginThread(const lldb::ThreadSP & thread_sp)50 bool OperatingSystem::IsOperatingSystemPluginThread(
51     const lldb::ThreadSP &thread_sp) {
52   if (thread_sp)
53     return thread_sp->IsOperatingSystemPluginThread();
54   return false;
55 }
56