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_state(eThreadStateInvalid)
23     , m_result(0)
24 {
25 }
26 
27 HostNativeThreadBase::HostNativeThreadBase(thread_t thread)
28     : m_thread(thread)
29     , m_state((thread == LLDB_INVALID_HOST_THREAD) ? eThreadStateInvalid : eThreadStateRunning)
30     , m_result(0)
31 {
32 }
33 
34 void
35 HostNativeThreadBase::SetState(ThreadState state)
36 {
37     m_state = state;
38 }
39 
40 ThreadState
41 HostNativeThreadBase::GetState() const
42 {
43     return m_state;
44 }
45 
46 lldb::thread_t
47 HostNativeThreadBase::GetSystemHandle() const
48 {
49     return m_thread;
50 }
51 
52 lldb::thread_result_t
53 HostNativeThreadBase::GetResult() const
54 {
55     return m_result;
56 }
57 
58 void
59 HostNativeThreadBase::Reset()
60 {
61     m_thread = LLDB_INVALID_HOST_THREAD;
62     m_state = eThreadStateInvalid;
63     m_result = 0;
64 }
65 
66 lldb::thread_t
67 HostNativeThreadBase::Release()
68 {
69     lldb::thread_t result = m_thread;
70     m_thread = LLDB_INVALID_HOST_THREAD;
71     m_state = eThreadStateInvalid;
72     m_result = 0;
73 
74     return result;
75 }
76 
77 lldb::thread_result_t
78 HostNativeThreadBase::ThreadCreateTrampoline(lldb::thread_arg_t arg)
79 {
80     ThreadLauncher::HostThreadCreateInfo *info = (ThreadLauncher::HostThreadCreateInfo *)arg;
81     ThisThread::SetName(info->thread_name.c_str(), HostInfo::GetMaxThreadNameLength());
82 
83     thread_func_t thread_fptr = info->thread_fptr;
84     thread_arg_t thread_arg = info->thread_arg;
85 
86     Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
87     if (log)
88         log->Printf("thread created");
89 
90     delete info;
91     return thread_fptr(thread_arg);
92 }
93