+XBT_PUBLIC double gras_msg_timer_handle(void);
+
+XBT_PUBLIC gras_msg_cb_ctx_t gras_msg_cb_ctx_new(gras_socket_t expe,
+ gras_msgtype_t msgtype,
+ unsigned long int ID,
+ int answer_due,
+ double timeout);
+
+
+/* We deploy a mallocator on the RPC contextes */
+#include "xbt/mallocator.h"
+extern xbt_mallocator_t gras_msg_ctx_mallocator;
+XBT_PUBLIC void* gras_msg_ctx_mallocator_new_f(void);
+XBT_PUBLIC void gras_msg_ctx_mallocator_free_f(void* dict);
+XBT_PUBLIC void gras_msg_ctx_mallocator_reset_f(void* dict);