X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/438767b311970c8a65b6a891b805e430fd2aeb3f..a3427ca7c9f8f2563bb982044e1082cc8f3cdd1e:/include/gras/process.h

diff --git a/include/gras/process.h b/include/gras/process.h
index 5a6d6b38d3..c19ee65599 100644
--- a/include/gras/process.h
+++ b/include/gras/process.h
@@ -10,9 +10,9 @@
 #ifndef GRAS_PROCESS_H
 #define GRAS_PROCESS_H
 
-#include "xbt/misc.h" /* BEGIN_DECL */
+#include "xbt/misc.h"  /* SG_BEGIN_DECL */
 
-BEGIN_DECL()
+SG_BEGIN_DECL()
 
 /* **************************************************************************
  * Initializing the processes
@@ -22,18 +22,33 @@ BEGIN_DECL()
  * 
  * Perform the various intialisations needed by gras. Each process must run it
  */
-xbt_error_t gras_process_init(void);
+void gras_process_init(void);
 
 /**
  * gras_process_exit:
  * 
  * Frees the memory allocated by gras. Processes should run it
  */
-xbt_error_t gras_process_exit(void);
+void gras_process_exit(void);
 
 /****************************************************************************/
 /* Manipulating User Data                                                   */
 /****************************************************************************/
+
+/** \addtogroup GRAS_globals
+ *  \brief Handling global variables so that it works on simulator.
+ * 
+ * In GRAS, using globals is forbidden since the "processes" will
+ * sometimes run as a thread inside the same process (namely, in
+ * simulation mode). So, you have to put all globals in a structure, and
+ * let GRAS handle it.
+ * 
+ * Use the \ref gras_userdata_new macro to create a new user data (or malloc it
+ * and use \ref gras_userdata_set yourself), and \ref gras_userdata_get to
+ * retrieve a reference to it. 
+ */
+/* @{ */
+
 /**
  * \brief Get the data associated with the current process.
  * \ingroup GRAS_globals
@@ -46,14 +61,11 @@ void *gras_userdata_get(void);
  */
 void gras_userdata_set(void *ud);
 
-/**
- * \brief Malloc and set the data associated with the current process.
- * \ingroup GRAS_globals
- */
-
+/** \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())
+/* @} */
 
-END_DECL()
+SG_END_DECL()
 
 #endif /* GRAS_PROCESS_H */