XBT_PUBLIC(void) smpi_shared_free(void *data);
#define SMPI_SHARED_FREE(data) smpi_shared_free(data)
+XBT_PUBLIC(int) smpi_shared_known_call(const char* func, const char* input);
+XBT_PUBLIC(void*) smpi_shared_get_call(const char* func, const char* input);
+XBT_PUBLIC(void*) smpi_shared_set_call(const char* func, const char* input, void* data);
+#define SMPI_SHARED_CALL(func, input, ...) \
+ (smpi_shared_known_call(#func, input) ? smpi_shared_get_call(#func, input) \
+ : smpi_shared_set_call(#func, input, func(__VA_ARGS__)))
+
/* Fortran specific stuff */
XBT_PUBLIC(int) MAIN__(void);