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/Core/Log.h"
11 #include "lldb/Host/HostInfo.h"
12 #include "lldb/Host/HostNativeThreadBase.h"
13 #include "lldb/Host/ThisThread.h"
14 #include "lldb/Host/ThreadLauncher.h"
15 #include "llvm/ADT/StringExtras.h"
16 
17 using namespace lldb;
18 using namespace lldb_private;
19 
20 HostNativeThreadBase::HostNativeThreadBase()
21     : m_thread(LLDB_INVALID_HOST_THREAD)
22     , m_result(0)
23 {
24 }
25 
26 HostNativeThreadBase::HostNativeThreadBase(thread_t thread)
27     : m_thread(thread)
28     , m_result(0)
29 {
30 }
31 
32 lldb::thread_t
33 HostNativeThreadBase::GetSystemHandle() const
34 {
35     return m_thread;
36 }
37 
38 lldb::thread_result_t
39 HostNativeThreadBase::GetResult() const
40 {
41     return m_result;
42 }
43 
44 bool
45 HostNativeThreadBase::IsJoinable() const
46 {
47     return m_thread != LLDB_INVALID_HOST_THREAD;
48 }
49 
50 void
51 HostNativeThreadBase::Reset()
52 {
53     m_thread = LLDB_INVALID_HOST_THREAD;
54     m_result = 0;
55 }
56 
57 lldb::thread_t
58 HostNativeThreadBase::Release()
59 {
60     lldb::thread_t result = m_thread;
61     m_thread = LLDB_INVALID_HOST_THREAD;
62     m_result = 0;
63 
64     return result;
65 }
66 
67 lldb::thread_result_t
68 HostNativeThreadBase::ThreadCreateTrampoline(lldb::thread_arg_t arg)
69 {
70     ThreadLauncher::HostThreadCreateInfo *info = (ThreadLauncher::HostThreadCreateInfo *)arg;
71     ThisThread::SetName(info->thread_name.c_str(), HostInfo::GetMaxThreadNameLength());
72 
73     thread_func_t thread_fptr = info->thread_fptr;
74     thread_arg_t thread_arg = info->thread_arg;
75 
76     Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
77     if (log)
78         log->Printf("thread created");
79 
80     delete info;
81     return thread_fptr(thread_arg);
82 }
83