llvm-project/lldb/source/Host/linux/HostThreadLinux.cpp

48 lines
1.3 KiB
C++

//===-- HostThreadLinux.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/DataBuffer.h"
#include "lldb/Host/linux/HostThreadLinux.h"
#include "Plugins/Process/Linux/ProcFileReader.h"
#include "llvm/ADT/SmallVector.h"
#include <pthread.h>
using namespace lldb_private;
HostThreadLinux::HostThreadLinux()
: HostThreadPosix()
{
}
HostThreadLinux::HostThreadLinux(lldb::thread_t thread)
: HostThreadPosix(thread)
{
}
void
HostThreadLinux::SetName(lldb::thread_t thread, llvm::StringRef name)
{
::pthread_setname_np(thread, name.data());
}
void
HostThreadLinux::GetName(lldb::thread_t thread, llvm::SmallVectorImpl<char> &name)
{
// Read /proc/$TID/comm file.
lldb::DataBufferSP buf_sp = ProcFileReader::ReadIntoDataBuffer(thread, "comm");
const char *comm_str = (const char *)buf_sp->GetBytes();
const char *cr_str = ::strchr(comm_str, '\n');
size_t length = cr_str ? (cr_str - comm_str) : strlen(comm_str);
name.clear();
name.append(comm_str, comm_str + length);
}