contrib/llvm-project/lldb/source/Host/common/HostNativeThreadBase.cpp

   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   if (log)
  66     log->Printf("thread created");
  67
  68   delete info;
  69   return thread_fptr(thread_arg);
  70 }