747372b91a
Summary: pthread_setname_np() is a nonstandard GNU extension and isn't available in every C library. Check before it's usage that GLIBC is available or that we are targeting Android. Reviewers: clayborg, ovyalov Subscribers: lldb-commits Differential Revision: http://reviews.llvm.org/D13019 llvm-svn: 248280
53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
//===-- HostThreadLinux.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/DataBuffer.h"
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#include "lldb/Host/linux/HostThreadLinux.h"
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#include "Plugins/Process/Linux/ProcFileReader.h"
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#include "llvm/ADT/SmallVector.h"
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#include <pthread.h>
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using namespace lldb_private;
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HostThreadLinux::HostThreadLinux()
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: HostThreadPosix()
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{
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}
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HostThreadLinux::HostThreadLinux(lldb::thread_t thread)
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: HostThreadPosix(thread)
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{
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}
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void
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HostThreadLinux::SetName(lldb::thread_t thread, llvm::StringRef name)
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{
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#if (defined(__GLIBC__) && defined(_GNU_SOURCE)) || defined(__ANDROID__)
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::pthread_setname_np(thread, name.data());
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#else
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(void) thread;
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(void) name;
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#endif
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}
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void
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HostThreadLinux::GetName(lldb::thread_t thread, llvm::SmallVectorImpl<char> &name)
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{
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// Read /proc/$TID/comm file.
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lldb::DataBufferSP buf_sp = process_linux::ProcFileReader::ReadIntoDataBuffer(thread, "comm");
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const char *comm_str = (const char *)buf_sp->GetBytes();
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const char *cr_str = ::strchr(comm_str, '\n');
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size_t length = cr_str ? (cr_str - comm_str) : strlen(comm_str);
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name.clear();
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name.append(comm_str, comm_str + length);
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}
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