X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3111b4d9bcae48261dfa4990fcc27ea9e7a7f0aa..8e970353f6db8e98fd13fcc1bf80e57e84f3d25c:/src/xbt/xbt_context_private.h?ds=sidebyside

diff --git a/src/xbt/xbt_context_private.h b/src/xbt/xbt_context_private.h
index b073653c7f..bf01c289bf 100644
--- a/src/xbt/xbt_context_private.h
+++ b/src/xbt/xbt_context_private.h
@@ -7,16 +7,19 @@
 
 SG_BEGIN_DECL()
 
+/* *********************** */
+/* Context type definition */
+/* *********************** */
+  
 /* the following function pointers describe the interface that all context concepts must implement */
-
 typedef void (*xbt_pfn_context_free_t)(xbt_context_t);		/* pointer type to the function used to destroy the specified context	*/
 typedef void (*xbt_pfn_context_kill_t)(xbt_context_t);		/* pointer type to the function used to kill the specified context		*/
 typedef void (*xbt_pfn_context_schedule_t)(xbt_context_t);	/* pointer type to the function used to resume the specified context	*/
-typedef void (*xbt_pfn_context_yield_t)(void);				/* pointer type to the function used to yield the specified context		*/
+typedef void (*xbt_pfn_context_yield_t)(void);			/* pointer type to the function used to yield the specified context		*/
 typedef void (*xbt_pfn_context_start_t)(xbt_context_t);		/* pointer type to the function used to start the specified context		*/
-typedef void (*xbt_pfn_context_stop_t)(int);				/* pointer type to the function used to stop the current context		*/
+typedef void (*xbt_pfn_context_stop_t)(int);			/* pointer type to the function used to stop the current context		*/
 
-/* each context concept must use this macro in its declaration */
+/* each context type must contain this macro at its begining -- OOP in C :/ */
 #define XBT_CTX_BASE_T \
 	s_xbt_swag_hookup_t hookup; \
 	char *name; \
@@ -36,11 +39,14 @@ typedef void (*xbt_pfn_context_stop_t)(int);				/* pointer type to the function
 	xbt_pfn_context_start_t start; \
 	xbt_pfn_context_stop_t stop				
 
-/* all other contexts derive from this structure */
-typedef struct s_xbt_context
-{
+/* all other context types derive from this structure */
+typedef struct s_xbt_context {
 	XBT_CTX_BASE_T;
-}s_xbt_context_t;
+} s_xbt_context_t;
+
+/* ****************** */
+/* Globals definition */
+/* ****************** */
 
 /* Important guys */
 extern xbt_context_t current_context;
@@ -49,13 +55,53 @@ extern xbt_context_t maestro_context;
 extern xbt_swag_t context_living;
 extern xbt_swag_t context_to_destroy;
 
+/* *********************** */
+/* factory type definition */
+/* *********************** */
+typedef struct s_xbt_context_factory * xbt_context_factory_t;
+
+/* this function describes the interface that all context factory must implement */
+typedef xbt_context_t (*xbt_pfn_context_factory_create_context_t)(const char*, xbt_main_func_t, void_f_pvoid_t, void*, void_f_pvoid_t, void*, int, char**);
+typedef int (*xbt_pfn_context_factory_create_maestro_context_t)(xbt_context_t*);
+
+/* this function finalize the specified context factory */
+typedef int (*xbt_pfn_context_factory_finalize_t)(xbt_context_factory_t*);
+
+/* this interface is used by the xbt context module to create the appropriate concept */
+typedef struct s_xbt_context_factory {
+	xbt_pfn_context_factory_create_maestro_context_t create_maestro_context;	/* create the context of the maestro	*/
+	xbt_pfn_context_factory_create_context_t create_context;			/* create a new context			*/
+	xbt_pfn_context_factory_finalize_t finalize;					/* finalize the context factory		*/
+	const char* name;								/* the name of the context factory	*/
+	
+} s_xbt_context_factory_t;
+
+/**
+ * This function select a context factory associated with the name specified by
+ * the parameter name.
+ * If successful the function returns 0. Otherwise the function returns the error
+ * code.
+ */
+int
+xbt_context_select_factory(const char* name);
+
+/**
+ * This function initialize a context factory from the name specified by the parameter
+ * name.
+ * If successful the factory specified by the parameter factory is initialized and the
+ * function returns 0. Otherwise the function returns the error code.
+ */
+int
+xbt_context_init_factory_by_name(xbt_context_factory_t* factory, const char* name);
+
 
 /* All factories init */
-typedef struct s_xbt_context_factory* xbt_context_factory_t;
+int xbt_ctx_thread_factory_init(xbt_context_factory_t* factory);
+int xbt_ctx_sysv_factory_init(xbt_context_factory_t* factory);
+int xbt_ctx_java_factory_init(xbt_context_factory_t* factory);
+
+
 
-int xbt_thread_context_factory_init(xbt_context_factory_t* factory);
-int xbt_ucontext_factory_init(xbt_context_factory_t* factory);
-int xbt_jcontext_factory_init(xbt_context_factory_t* factory);
 
 
 SG_END_DECL()