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