forked from OSchip/llvm-project
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
//===-- ThisThread.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/ThisThread.h"
|
|
|
|
#include "llvm/ADT/STLExtras.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
|
|
#if defined(_MSC_VER) && !defined(__clang__)
|
|
|
|
namespace
|
|
{
|
|
static const DWORD MS_VC_EXCEPTION = 0x406D1388;
|
|
|
|
#pragma pack(push, 8)
|
|
struct THREADNAME_INFO
|
|
{
|
|
DWORD dwType; // Must be 0x1000.
|
|
LPCSTR szName; // Pointer to thread name
|
|
DWORD dwThreadId; // Thread ID (-1 == current thread)
|
|
DWORD dwFlags; // Reserved. Do not use.
|
|
};
|
|
#pragma pack(pop)
|
|
}
|
|
|
|
#endif
|
|
|
|
void
|
|
ThisThread::SetName(llvm::StringRef name)
|
|
{
|
|
// Other compilers don't yet support SEH, so we can only set the thread if compiling with MSVC.
|
|
// TODO(zturner): Once clang-cl supports SEH, relax this conditional.
|
|
#if defined(_MSC_VER) && !defined(__clang__)
|
|
THREADNAME_INFO info;
|
|
info.dwType = 0x1000;
|
|
info.szName = name.data();
|
|
info.dwThreadId = ::GetCurrentThreadId();
|
|
info.dwFlags = 0;
|
|
|
|
__try {
|
|
::RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR *)&info);
|
|
}
|
|
__except(EXCEPTION_EXECUTE_HANDLER) {}
|
|
#endif
|
|
}
|
|
|
|
void
|
|
ThisThread::GetName(llvm::SmallVectorImpl<char> &name)
|
|
{
|
|
// Getting the thread name is not supported on Windows.
|
|
// TODO(zturner): In SetName(), make a TLS entry that contains the thread's name, and in this function
|
|
// try to extract that TLS entry.
|
|
name.clear();
|
|
}
|