define types used by fortran even when only C code is used (needed sometimes)

[simgrid.git] / include / smpi / smpi_cocci.h

diff --git a/include/smpi/smpi_cocci.h b/include/smpi/smpi_cocci.h
index cc03928..f938a9b 100644 (file)
--- a/include/smpi/smpi_cocci.h
+++ b/include/smpi/smpi_cocci.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2011. The SimGrid Team.
+/* Copyright (c) 2011-2014. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -7,22 +7,24 @@
 #ifndef SMPI_COCCI_H
 #define SMPI_COCCI_H
 
+#include <xbt/misc.h>
+
 /* Macros used by coccinelle-generated code */
 
-#define SMPI_INITIALIZE_GLOBAL(name,type)                       \
-   NULL;                                                        \
-void __attribute__((weak,constructor)) __preinit_##name(void) { \
+#define SMPI_VARINIT_GLOBAL(name,type)                          \
+type *name = NULL;                                              \
+static void __attribute__((constructor)) __preinit_##name(void) { \
    if(!name)                                                    \
-      name = (type*)malloc(smpi_global_size() * sizeof(type));  \
+      name = (type*)calloc(smpi_global_size(), sizeof(type));   \
 }                                                               \
-void __attribute__((weak,destructor)) __postfini_##name(void) { \
+static void __attribute__((destructor)) __postfini_##name(void) { \
    free(name);                                                  \
    name = NULL;                                                 \
 }
 
-#define SMPI_INITIALIZE_AND_SET_GLOBAl(name,type,expr)          \
-   NULL;                                                        \
-void __attribute__((weak,constructor)) __preinit_##name(void) { \
+#define SMPI_VARINIT_GLOBAL_AND_SET(name,type,expr)             \
+type *name = NULL;                                              \
+static void __attribute__((constructor)) __preinit_##name(void) { \
    size_t size = smpi_global_size();                            \
    size_t i;                                                    \
    type value = expr;                                           \
@@ -33,22 +35,43 @@ void __attribute__((weak,constructor)) __preinit_##name(void) { \
       }                                                         \
    }                                                            \
 }                                                               \
-void __attribute__((weak,destructor)) __postfini_##name(void) { \
+static void __attribute__((destructor)) __postfini_##name(void) { \
    free(name);                                                  \
    name = NULL;                                                 \
 }
 
-#define SMPI_GLOBAL_VAR_LOCAL_ACCESS(name) name[__rank()]
+#define SMPI_VARGET_GLOBAL(name) name[smpi_process_index()]
+
+/* The following handle local static variables */
+/** @brief Make sure that the passed pointer is freed on process exit.
+ *
+ * This function is rather internal, mainly used for the
+ * privatization of global variables through coccinelle.
+ */
+XBT_PUBLIC(void) smpi_register_static(void* arg, void_f_pvoid_t free_fn);
 
-/* This function stores the rank locally, so that a request in
-   SIMIX is not created each time */
-int __attribute__((weak)) __rank(void) {
-   static __thread int rank = -1;
+XBT_PUBLIC(void) smpi_free_static(void);
 
-   if(rank < 0) {
-      rank = smpi_global_rank();
-   }
-   return rank;
+#define SMPI_VARINIT_STATIC(name,type)                      \
+static type *name = NULL;                                   \
+if(!name) {                                                 \
+   name = (type*)calloc(smpi_global_size(), sizeof(type));  \
+   smpi_register_static(name, xbt_free_f);                  \
 }
 
+#define SMPI_VARINIT_STATIC_AND_SET(name,type,expr) \
+static type *name = NULL;                           \
+if(!name) {                                         \
+   size_t size = smpi_global_size();                \
+   size_t i;                                        \
+   type value = expr;                               \
+   name = (type*)malloc(size * sizeof(type));       \
+   for(i = 0; i < size; i++) {                      \
+      name[i] = value;                              \
+   }                                                \
+   smpi_register_static(name, xbt_free_f);          \
+}
+
+#define SMPI_VARGET_STATIC(name) name[smpi_process_index()]
+
 #endif