lldb/source/Host/linux/HostThreadLinux.cpp


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//===-- 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/Host/linux/HostThreadLinux.h"
#include "Plugins/Process/Linux/ProcFileReader.h"
#include "lldb/Utility/DataBuffer.h"

#include "llvm/ADT/SmallVector.h"

using namespace lldb_private;

HostThreadLinux::HostThreadLinux() : HostThreadPosix() {}

HostThreadLinux::HostThreadLinux(lldb::thread_t thread)
    : HostThreadPosix(thread) {}

void HostThreadLinux::GetName(lldb::thread_t thread,
                              llvm::SmallVectorImpl<char> &name) {
  // Read /proc/$TID/comm file.
  lldb::DataBufferSP buf_sp =
      process_linux::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);
}