From 72c7b1b08cc6c3352b67fa212fdbb95e35c3ed27 Mon Sep 17 00:00:00 2001
From: rahuel <rahuel@opencascade.com>
Date: Wed, 8 Dec 2004 12:26:08 +0000
Subject: [PATCH] New methods (and fileds) that allow the execution of python
 functions from the SuperVisionEngine in the main thread. It is because of
 Python that allow signal handling only in the main thread.

---
 src/Container/SALOME_Container_i.hxx | 38 +++++++++++++++++++++++++---
 1 file changed, 35 insertions(+), 3 deletions(-)

diff --git a/src/Container/SALOME_Container_i.hxx b/src/Container/SALOME_Container_i.hxx
index 6f309c50c..5a766a220 100644
--- a/src/Container/SALOME_Container_i.hxx
+++ b/src/Container/SALOME_Container_i.hxx
@@ -41,6 +41,8 @@
 #include <map>
 #include <string>
 
+#include <Python.h>
+
 class SALOME_NamingService;
 
 class Engines_Container_i: public virtual POA_Engines::Container,
@@ -78,6 +80,21 @@ public:
   char* getHostName();
   CORBA::Long getPID();
 
+// Execution of python functions in the main thread
+  pthread_t Engines_Container_i::MainThreadId() ;
+  void WaitPythonFunction() ;
+  void WaitActivatePythonExecution() ;
+  void ActivatePythonReturn() ;
+
+// Ask for execution of python functions in the main thread from SuperVisionEngine
+  void ActivatePythonExecution( char* InitPyRunMethod ,
+                                PyMethodDef * MethodPyRunMethod ) ;
+  bool ActivatePythonExecution( char* thePyString ) ;
+  PyObject * ActivatePythonExecution( PyObject * thePyRunMethod ,
+                                      PyObject * ArgsList ) ;
+  void ActivatePythonExecution() ;
+  void WaitReturnPythonExecution() ;
+
 protected:
 
   SALOME_NamingService *_NS ;
@@ -93,9 +110,24 @@ protected:
 
   //private: 
 
-  int   _argc ;
-  char** _argv ;
-  long _pid;
+  int             _argc ;
+  char         ** _argv ;
+  long            _pid ;
+
+  pthread_t       _MainThreadId ;
+  pthread_mutex_t _ExecutePythonMutex ;
+  pthread_cond_t  _ExecutePythonCond ;
+  bool            _ExecutePythonSync ;
+
+  char          * _InitPyRunMethod ;
+  PyMethodDef   * _MethodPyRunMethod  ;
+  char          * _PyString ;
+  PyObject      * _PyRunMethod ;
+  PyObject      * _ArgsList ;
+  pthread_cond_t  _ReturnPythonCond ;
+  bool            _ReturnPythonSync ;
+  bool            _ReturnValue ;
+  PyObject      * _Result ;
 
 };
 
-- 
2.39.2