1 files changed, 98 insertions, 0 deletions
diff --git a/gnuradio-runtime/lib/thread/thread_group.cc b/gnuradio-runtime/lib/thread/thread_group.cc
new file mode 100644
index 0000000000..034fe82e75
--- /dev/null
+++ b/gnuradio-runtime/lib/thread/thread_group.cc
@@ -0,0 +1,98 @@
+/* -*- c++ -*- */
+/*
+ * Copyright (C) 2001-2003 William E. Kempf
+ * Copyright (C) 2007 Anthony Williams
+ * Copyright 2008 Free Software Foundation, Inc.
+ *
+ *  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)
+ */
+
+/*
+ * This was extracted from Boost 1.35.0 and fixed.
+ */
+
+#include <thread/thread_group.h>
+
+namespace gr {
+  namespace thread {
+
+    thread_group::thread_group()
+    {
+    }
+
+    thread_group::~thread_group()
+    {
+      // We shouldn't have to scoped_lock here, since referencing this
+      // object from another thread while we're deleting it in the
+      // current thread is going to lead to undefined behavior any
+      // way.
+      for(std::list<boost::thread*>::iterator it = m_threads.begin();
+          it != m_threads.end(); ++it) {
+        delete (*it);
+      }
+    }
+
+    boost::thread* thread_group::create_thread(const boost::function0<void>& threadfunc)
+    {
+      // No scoped_lock required here since the only "shared data" that's
+      // modified here occurs inside add_thread which does scoped_lock.
+      std::auto_ptr<boost::thread> thrd(new boost::thread(threadfunc));
+      add_thread(thrd.get());
+      return thrd.release();
+    }
+
+    void thread_group::add_thread(boost::thread* thrd)
+    {
+      boost::lock_guard<boost::shared_mutex> guard(m_mutex);
+
+      // For now we'll simply ignore requests to add a thread object
+      // multiple times. Should we consider this an error and either
+      // throw or return an error value?
+      std::list<boost::thread*>::iterator it = std::find(m_threads.begin(),
+                                                         m_threads.end(), thrd);
+      BOOST_ASSERT(it == m_threads.end());
+      if(it == m_threads.end())
+        m_threads.push_back(thrd);
+    }
+
+    void thread_group::remove_thread(boost::thread* thrd)
+    {
+      boost::lock_guard<boost::shared_mutex> guard(m_mutex);
+
+      // For now we'll simply ignore requests to remove a thread
+      // object that's not in the group. Should we consider this an
+      // error and either throw or return an error value?
+      std::list<boost::thread*>::iterator it = std::find(m_threads.begin(),
+                                                         m_threads.end(), thrd);
+      BOOST_ASSERT(it != m_threads.end());
+      if(it != m_threads.end())
+        m_threads.erase(it);
+    }
+
+    void thread_group::join_all()
+    {
+      boost::shared_lock<boost::shared_mutex> guard(m_mutex);
+      for(std::list<boost::thread*>::iterator it = m_threads.begin();
+           it != m_threads.end(); ++it) {
+	(*it)->join();
+      }
+    }
+
+    void thread_group::interrupt_all()
+    {
+      boost::shared_lock<boost::shared_mutex> guard(m_mutex);
+      for(std::list<boost::thread*>::iterator it=m_threads.begin(),end=m_threads.end();
+          it!=end; ++it) {
+	(*it)->interrupt();
+      }
+    }
+
+    size_t thread_group::size() const
+    {
+      boost::shared_lock<boost::shared_mutex> guard(m_mutex);
+      return m_threads.size();
+    }
+
+  } /* namespace thread */
+} /* namespace gr */