Create a HostThread abstraction.
This patch moves creates a thread abstraction that represents a
thread running inside the LLDB process. This is a replacement for
otherwise using lldb::thread_t, and provides a platform agnostic
interface to managing these threads.
Differential Revision: http://reviews.llvm.org/D5198
Reviewed by: Jim Ingham
llvm-svn: 217460
diff --git a/lldb/source/Host/linux/HostThreadLinux.cpp b/lldb/source/Host/linux/HostThreadLinux.cpp
new file mode 100644
index 0000000..619bd24
--- /dev/null
+++ b/lldb/source/Host/linux/HostThreadLinux.cpp
@@ -0,0 +1,47 @@
+//===-- 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);
+}