1 //===-- HostNativeThreadBase.cpp --------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "lldb/Host/HostNativeThreadBase.h"
10 #include "lldb/Host/HostInfo.h"
11 #include "lldb/Host/ThreadLauncher.h"
12 #include "lldb/Utility/Log.h"
13 
14 #include "llvm/ADT/StringExtras.h"
15 #include "llvm/Support/Threading.h"
16 
17 using namespace lldb;
18 using namespace lldb_private;
19 
20 HostNativeThreadBase::HostNativeThreadBase()
21     : m_thread(LLDB_INVALID_HOST_THREAD), m_result(0) {}
22 
23 HostNativeThreadBase::HostNativeThreadBase(thread_t thread)
24     : m_thread(thread), m_result(0) {}
25 
26 lldb::thread_t HostNativeThreadBase::GetSystemHandle() const {
27   return m_thread;
28 }
29 
30 lldb::thread_result_t HostNativeThreadBase::GetResult() const {
31   return m_result;
32 }
33 
34 bool HostNativeThreadBase::IsJoinable() const {
35   return m_thread != LLDB_INVALID_HOST_THREAD;
36 }
37 
38 void HostNativeThreadBase::Reset() {
39   m_thread = LLDB_INVALID_HOST_THREAD;
40   m_result = 0;
41 }
42 
43 bool HostNativeThreadBase::EqualsThread(lldb::thread_t thread) const {
44   return m_thread == thread;
45 }
46 
47 lldb::thread_t HostNativeThreadBase::Release() {
48   lldb::thread_t result = m_thread;
49   m_thread = LLDB_INVALID_HOST_THREAD;
50   m_result = 0;
51 
52   return result;
53 }
54 
55 lldb::thread_result_t
56 HostNativeThreadBase::ThreadCreateTrampoline(lldb::thread_arg_t arg) {
57   ThreadLauncher::HostThreadCreateInfo *info =
58       (ThreadLauncher::HostThreadCreateInfo *)arg;
59   llvm::set_thread_name(info->thread_name);
60 
61   thread_func_t thread_fptr = info->thread_fptr;
62   thread_arg_t thread_arg = info->thread_arg;
63 
64   Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
65   LLDB_LOGF(log, "thread created");
66 
67   delete info;
68   return thread_fptr(thread_arg);
69 }
70