implement gras_agent_spawn in RL, kill the data argument out of it

[simgrid.git] / include / gras / process.h

diff --git a/include/gras/process.h b/include/gras/process.h
index 43ead0c..cfc5fba 100644 (file)
--- a/include/gras/process.h
+++ b/include/gras/process.h
@@ -1,8 +1,7 @@
-/* $Id$ */
-
 /* gras/process.h - Manipulating data related to an host.                   */
 
-/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved.            */
+/* Copyright (c) 2004, 2005, 2006, 2007, 2009, 2010. The SimGrid Team.
+ * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -10,14 +9,15 @@
 #ifndef GRAS_PROCESS_H
 #define GRAS_PROCESS_H
 
-#include "xbt/misc.h"  /* SG_BEGIN_DECL */
+#include "xbt/misc.h"           /* SG_BEGIN_DECL */
 #include "xbt/dict.h"
 
 SG_BEGIN_DECL()
 
-void gras_agent_spawn(const char *name, void *data, xbt_main_func_t code, int argc, char *argv[], xbt_dict_t properties);
-  
-  
+void gras_agent_spawn(const char *name, xbt_main_func_t code,
+                      int argc, char *argv[], xbt_dict_t properties);
+
+
 /****************************************************************************/
 /* Manipulating User Data                                                   */
 /****************************************************************************/
@@ -34,6 +34,7 @@ void gras_agent_spawn(const char *name, void *data, xbt_main_func_t code, int ar
  * and use \ref gras_userdata_set yourself), and \ref gras_userdata_get to
  * retrieve a reference to it.
  * 
+ * 
  * For more info on this, you may want to check the relevant lesson of the GRAS tutorial:
  * \ref GRAS_tut_tour_globals
  */
@@ -43,19 +44,25 @@ void gras_agent_spawn(const char *name, void *data, xbt_main_func_t code, int ar
  * \brief Get the data associated with the current process.
  * \ingroup GRAS_globals
  */
-XBT_PUBLIC(void*) gras_userdata_get(void);
+XBT_PUBLIC(void *) gras_userdata_get(void);
 
 /**
  * \brief Set the data associated with the current process.
  * \ingroup GRAS_globals
  */
-XBT_PUBLIC(void) gras_userdata_set(void *ud);
+XBT_PUBLIC(void *) gras_userdata_set(void *ud);
 
-/** \brief Malloc and set the data associated with the current process. */
-#define gras_userdata_new(type) (gras_userdata_set(xbt_new0(type,1)),gras_userdata_get())
+/** \brief Malloc and set the data associated with the current process.
+ *
+ * @warning gras_userdata_new() expects the pointed type, not the
+ * pointer type. We know it'a a bit troublesome, but it seems like
+ * the only solution since this macro has to compute the size to
+ * malloc and should thus know the pointed type. 
+ *
+ * You'll find an example in the tutorial:  \ref GRAS_tut_tour_globals
+ */
+#define gras_userdata_new(type) ((type*)gras_userdata_set(xbt_new0(type,1)))
 /* @} */
 
 SG_END_DECL()
-
-#endif /* GRAS_PROCESS_H */
-
+#endif                          /* GRAS_PROCESS_H */