contrib/llvm/tools/lldb/source/Host/common/HostNativeThreadBase.cpp

   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 lldb::thread_t HostNativeThreadBase::Release() {
  45   lldb::thread_t result = m_thread;
  46   m_thread = LLDB_INVALID_HOST_THREAD;
  47   m_result = 0;
  48
  49   return result;
  50 }
  51
  52 lldb::thread_result_t
  53 HostNativeThreadBase::ThreadCreateTrampoline(lldb::thread_arg_t arg) {
  54   ThreadLauncher::HostThreadCreateInfo *info =
  55       (ThreadLauncher::HostThreadCreateInfo *)arg;
  56   llvm::set_thread_name(info->thread_name);
  57
  58   thread_func_t thread_fptr = info->thread_fptr;
  59   thread_arg_t thread_arg = info->thread_arg;
  60
  61   Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
  62   if (log)
  63     log->Printf("thread created");
  64
  65   delete info;
  66   return thread_fptr(thread_arg);
  67 }