1 //===-- HostNativeThreadBase.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/Host/HostNativeThreadBase.h"
11 #include "lldb/Host/HostInfo.h"
12 #include "lldb/Host/ThreadLauncher.h"
13 #include "lldb/Utility/Log.h"
14 
15 #include "llvm/ADT/StringExtras.h"
16 #include "llvm/Support/Threading.h"
17 
18 using namespace lldb;
19 using namespace lldb_private;
20 
21 HostNativeThreadBase::HostNativeThreadBase()
22     : m_thread(LLDB_INVALID_HOST_THREAD), m_result(0) {}
23 
24 HostNativeThreadBase::HostNativeThreadBase(thread_t thread)
25     : m_thread(thread), m_result(0) {}
26 
27 lldb::thread_t HostNativeThreadBase::GetSystemHandle() const {
28   return m_thread;
29 }
30 
31 lldb::thread_result_t HostNativeThreadBase::GetResult() const {
32   return m_result;
33 }
34 
35 bool HostNativeThreadBase::IsJoinable() const {
36   return m_thread != LLDB_INVALID_HOST_THREAD;
37 }
38 
39 void HostNativeThreadBase::Reset() {
40   m_thread = LLDB_INVALID_HOST_THREAD;
41   m_result = 0;
42 }
43 
44 bool HostNativeThreadBase::EqualsThread(lldb::thread_t thread) const {
45   return m_thread == thread;
46 }
47 
48 lldb::thread_t HostNativeThreadBase::Release() {
49   lldb::thread_t result = m_thread;
50   m_thread = LLDB_INVALID_HOST_THREAD;
51   m_result = 0;
52 
53   return result;
54 }
55 
56 lldb::thread_result_t
57 HostNativeThreadBase::ThreadCreateTrampoline(lldb::thread_arg_t arg) {
58   ThreadLauncher::HostThreadCreateInfo *info =
59       (ThreadLauncher::HostThreadCreateInfo *)arg;
60   llvm::set_thread_name(info->thread_name);
61 
62   thread_func_t thread_fptr = info->thread_fptr;
63   thread_arg_t thread_arg = info->thread_arg;
64 
65   Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
66   if (log)
67     log->Printf("thread created");
68 
69   delete info;
70   return thread_fptr(thread_arg);
71 }
72