1 files changed, 56 insertions, 0 deletions
diff --git a/boost/thread/caller_context.hpp b/boost/thread/caller_context.hpp
new file mode 100644
index 0000000000..1e341686b0
--- /dev/null
+++ b/boost/thread/caller_context.hpp
@@ -0,0 +1,56 @@
+// (C) Copyright 2013 Vicente J. Botet Escriba
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+
+#ifndef BOOST_THREAD_CALL_CONTEXT_HPP
+#define BOOST_THREAD_CALL_CONTEXT_HPP
+
+#include <boost/thread/detail/config.hpp>
+#if defined BOOST_THREAD_USES_LOG_THREAD_ID
+#include <boost/thread/thread.hpp>
+#endif
+#include <boost/current_function.hpp>
+#include <iomanip>
+
+#include <boost/config/abi_prefix.hpp>
+
+namespace boost
+{
+
+  struct caller_context_t
+  {
+    const char * filename;
+    unsigned lineno;
+    const char * func;
+    caller_context_t(const char * filename, unsigned lineno, const char * func) :
+      filename(filename), lineno(lineno), func(func)
+    {
+    }
+  };
+
+#define BOOST_CONTEXTOF boost::caller_context_t(__FILE__, __LINE__, BOOST_CURRENT_FUNCTION)
+
+  template <typename OStream>
+  OStream& operator<<(OStream& os, caller_context_t const& ctx)
+  {
+#if defined BOOST_THREAD_USES_LOG_THREAD_ID
+    {
+      io::ios_flags_saver ifs( os );
+      os << std::left << std::setw(14) << boost::this_thread::get_id() << " ";
+    }
+#endif
+    {
+      io::ios_flags_saver ifs(os);
+      os << ctx.filename << "["
+         << std::setw(4) << std::right << std::dec<< ctx.lineno << "] ";
+      os << ctx.func << " " ;
+    }
+    return os;
+  }
+}
+
+#include <boost/config/abi_suffix.hpp>
+
+#endif // header