From 1fd57936765fd19c51842ce2bfec41abb9146eaf Mon Sep 17 00:00:00 2001
From: jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Tue, 17 Feb 2009 16:57:00 +0000
Subject: [PATCH] Added ability to determine if flowgraph is running

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10451 221aa14e-8319-0410-a670-987f0aec2ac5
---
 gnuradio-core/src/lib/runtime/gr_top_block.cc      | 6 ++++++
 gnuradio-core/src/lib/runtime/gr_top_block.h       | 5 +++++
 gnuradio-core/src/lib/runtime/gr_top_block.i       | 1 +
 gnuradio-core/src/lib/runtime/gr_top_block_impl.cc | 6 ++++++
 gnuradio-core/src/lib/runtime/gr_top_block_impl.h  | 3 +++
 5 files changed, 21 insertions(+)

diff --git a/gnuradio-core/src/lib/runtime/gr_top_block.cc b/gnuradio-core/src/lib/runtime/gr_top_block.cc
index 09e46dfb..3fa32425 100644
--- a/gnuradio-core/src/lib/runtime/gr_top_block.cc
+++ b/gnuradio-core/src/lib/runtime/gr_top_block.cc
@@ -78,6 +78,12 @@ gr_top_block::run()
   wait();
 }
 
+bool
+gr_top_block::is_running()
+{
+  return d_impl->is_running();
+}
+
 void
 gr_top_block::lock()
 {
diff --git a/gnuradio-core/src/lib/runtime/gr_top_block.h b/gnuradio-core/src/lib/runtime/gr_top_block.h
index b47ec019..415bb21f 100644
--- a/gnuradio-core/src/lib/runtime/gr_top_block.h
+++ b/gnuradio-core/src/lib/runtime/gr_top_block.h
@@ -77,6 +77,11 @@ public:
    */
   void wait();
 
+  /*!
+   * Is the flowgraph running?
+   */
+  bool is_running();
+
   /*!
    * Lock a flowgraph in preparation for reconfiguration.  When an equal
    * number of calls to lock() and unlock() have occurred, the flowgraph
diff --git a/gnuradio-core/src/lib/runtime/gr_top_block.i b/gnuradio-core/src/lib/runtime/gr_top_block.i
index 670e5b5e..b5ced3cd 100644
--- a/gnuradio-core/src/lib/runtime/gr_top_block.i
+++ b/gnuradio-core/src/lib/runtime/gr_top_block.i
@@ -44,6 +44,7 @@ public:
   void stop();
   void wait();
   void run();
+  bool is_running();
   void lock();
   void unlock() throw (std::runtime_error);
   void dump();
diff --git a/gnuradio-core/src/lib/runtime/gr_top_block_impl.cc b/gnuradio-core/src/lib/runtime/gr_top_block_impl.cc
index 50d480d0..97b19ada 100644
--- a/gnuradio-core/src/lib/runtime/gr_top_block_impl.cc
+++ b/gnuradio-core/src/lib/runtime/gr_top_block_impl.cc
@@ -87,6 +87,12 @@ gr_top_block_impl::~gr_top_block_impl()
   d_owner = 0;
 }
 
+bool
+gr_top_block_impl::is_running()
+{
+  return (d_state != IDLE);
+}
+
 void
 gr_top_block_impl::start()
 {
diff --git a/gnuradio-core/src/lib/runtime/gr_top_block_impl.h b/gnuradio-core/src/lib/runtime/gr_top_block_impl.h
index 35fb44ef..794c4bc0 100644
--- a/gnuradio-core/src/lib/runtime/gr_top_block_impl.h
+++ b/gnuradio-core/src/lib/runtime/gr_top_block_impl.h
@@ -60,6 +60,9 @@ public:
 
   // Dump the flowgraph to stdout
   void dump();
+
+  // Has flowgraph been started?
+  bool is_running();
   
 protected:
     
-- 
2.47.2