| //===-- HostThreadWindows.cpp ---------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "lldb/Utility/Status.h" |
| |
| #include "lldb/Host/windows/HostThreadWindows.h" |
| #include "lldb/Host/windows/windows.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; } |
| |
| Status HostThreadWindows::Join(lldb::thread_result_t *result) { |
| Status 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; |
| } |
| |
| Status HostThreadWindows::Cancel() { |
| Status 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(); |
| } |
| |
| bool HostThreadWindows::EqualsThread(lldb::thread_t thread) const { |
| return GetThreadId() == ::GetThreadId(thread); |
| } |