src/smpi/smpi_static_variables.cpp

   1 /* Copyright (c) 2011-2014. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include <stack>
   8 #include "private.h"
   9
  10 typedef struct s_smpi_static {
  11   void *ptr;
  12   void_f_pvoid_t free_fn;
  13 } s_smpi_static_t;
  14
  15 /**
  16  * \brief Holds a reference to all static variables that were registered
  17  *        via smpi_register_static(). This helps to free them when
  18  *        SMPI shuts down.
  19  */
  20 static std::stack<s_smpi_static_t> registered_static_variables_stack;
  21
  22 void smpi_register_static(void* arg, void_f_pvoid_t free_fn) {
  23   s_smpi_static_t elm { arg, free_fn };
  24   registered_static_variables_stack.push(elm);
  25 }
  26
  27 void smpi_free_static() {
  28   while (!registered_static_variables_stack.empty()) {
  29     s_smpi_static_t elm = registered_static_variables_stack.top();
  30     elm.free_fn(elm.ptr);
  31     registered_static_variables_stack.pop();
  32   }
  33 }