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//===-- HostThreadWindows.cpp -----------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Core/Error.h"
#include "lldb/Host/windows/windows.h"
#include "lldb/Host/windows/HostThreadWindows.h"
#include "llvm/ADT/STLExtras.h"
using namespace lldb;
using namespace lldb_private;
namespace
{
void __stdcall ExitThreadProxy(ULONG_PTR dwExitCode)
{
::ExitThread(dwExitCode);
}
}
HostThreadWindows::HostThreadWindows()
: HostNativeThreadBase()
, m_owns_handle(true)
{
}
HostThreadWindows::HostThreadWindows(lldb::thread_t thread)
: HostNativeThreadBase(thread)
, m_owns_handle(true)
{
}
HostThreadWindows::~HostThreadWindows()
{
Reset();
}
void
HostThreadWindows::SetOwnsHandle(bool owns)
{
m_owns_handle = owns;
}
Error
HostThreadWindows::Join(lldb::thread_result_t *result)
{
Error error;
if (IsJoinable())
{
DWORD wait_result = ::WaitForSingleObject(m_thread, INFINITE);
if (WAIT_OBJECT_0 == wait_result && result)
{
DWORD exit_code = 0;
if (!::GetExitCodeThread(m_thread, &exit_code))
*result = 0;
*result = exit_code;
}
else if (WAIT_OBJECT_0 != wait_result)
error.SetError(::GetLastError(), eErrorTypeWin32);
}
else
error.SetError(ERROR_INVALID_HANDLE, eErrorTypeWin32);
Reset ();
return error;
}
Error
HostThreadWindows::Cancel()
{
Error error;
DWORD result = ::QueueUserAPC(::ExitThreadProxy, m_thread, 0);
error.SetError(result, eErrorTypeWin32);
return error;
}
lldb::tid_t
HostThreadWindows::GetThreadId() const
{
return ::GetThreadId(m_thread);
}
void
HostThreadWindows::Reset()
{
if (m_owns_handle && m_thread != LLDB_INVALID_HOST_THREAD)
::CloseHandle(m_thread);
HostNativeThreadBase::Reset();
}
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