src/simix/smx_private.h

   1 /* Copyright (c) 2007-2010, 2012-2015. 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 #ifndef _SIMIX_PRIVATE_H
   8 #define _SIMIX_PRIVATE_H
   9
  10 #include "src/internal_config.h"
  11 #include "simgrid/simix.h"
  12 #include "surf/surf.h"
  13 #include "xbt/base.h"
  14 #include "xbt/fifo.h"
  15 #include "xbt/swag.h"
  16 #include "xbt/dict.h"
  17 #include "xbt/mallocator.h"
  18 #include "xbt/config.h"
  19 #include "xbt/xbt_os_time.h"
  20 #include "xbt/function_types.h"
  21 #include "src/xbt/ex_interface.h"
  22 #include "src/instr/instr_private.h"
  23 #include "smx_process_private.h"
  24 #include "smx_host_private.h"
  25 #include "smx_io_private.h"
  26 #include "smx_network_private.h"
  27 #include "popping_private.h"
  28 #include "smx_synchro_private.h"
  29
  30 #include <signal.h>
  31
  32 #ifdef __cplusplus
  33
  34 #include <simgrid/simix.hpp>
  35
  36 namespace simgrid {
  37 namespace simix {
  38
  39 /* Hack: let msg load directly the right factory
  40  *
  41  * This is a factory of factory! How nice is this?
  42  */
  43 typedef ContextFactory* (*ContextFactoryInitializer)(void);
  44 XBT_PUBLIC_DATA(ContextFactoryInitializer) factory_initializer;
  45
  46 }
  47 }
  48
  49 typedef simgrid::simix::ContextFactory *smx_context_factory_t;
  50
  51 #else
  52
  53 typedef struct s_smx_context_factory *smx_context_factory_t;
  54
  55 #endif
  56
  57 SG_BEGIN_DECL()
  58
  59 /********************************** Simix Global ******************************/
  60 typedef struct s_smx_global {
  61   smx_context_factory_t context_factory;
  62   xbt_dynar_t process_to_run;
  63   xbt_dynar_t process_that_ran;
  64   xbt_swag_t process_list;
  65   xbt_swag_t process_to_destroy;
  66   smx_process_t maestro_process;
  67   xbt_dict_t registered_functions;
  68   smx_creation_func_t create_process_function;
  69   void_pfn_smxprocess_t kill_process_function;
  70   /** Callback used when killing a SMX_process */
  71   void_pfn_smxprocess_t cleanup_process_function;
  72
  73   xbt_os_mutex_t mutex;
  74 } s_smx_global_t, *smx_global_t;
  75
  76 XBT_PUBLIC_DATA(smx_global_t) simix_global;
  77 extern XBT_PRIVATE unsigned long simix_process_maxpid;
  78
  79 XBT_PUBLIC(void) SIMIX_clean(void);
  80
  81 /******************************** Exceptions *********************************/
  82 /** @brief Ask to the provided simix process to raise the provided exception */
  83 #define SMX_EXCEPTION(issuer, cat, val, msg)                            \
  84   if (1) {                                                              \
  85     smx_process_t _smx_throw_issuer = (issuer); /* evaluate only once */\
  86     THROW_PREPARE(_smx_throw_issuer->running_ctx, (cat), (val), xbt_strdup(msg)); \
  87     _smx_throw_issuer->doexception = 1;                                 \
  88   } else ((void)0)
  89
  90 /* ******************************** File ************************************ */
  91 typedef struct s_smx_file {
  92   surf_file_t surf_file;
  93   void* data;                   /**< @brief user data */
  94 } s_smx_file_t;
  95
  96 XBT_PRIVATE void SIMIX_context_mod_init(void);
  97 XBT_PRIVATE void SIMIX_context_mod_exit(void);
  98
  99 XBT_PRIVATE smx_context_t SIMIX_context_new(
 100   xbt_main_func_t code, int argc, char **argv,
 101   void_pfn_smxprocess_t cleanup_func,
 102   smx_process_t simix_process);
 103
 104 #ifndef WIN32
 105 XBT_PUBLIC_DATA(char sigsegv_stack[SIGSTKSZ]);
 106 #endif
 107
 108 /* We are using the bottom of the stack to save some information, like the
 109  * valgrind_stack_id. Define smx_context_usable_stack_size to give the remaining
 110  * size for the stack. */
 111 #if HAVE_VALGRIND_H
 112 # define smx_context_usable_stack_size                                  \
 113   (smx_context_stack_size - sizeof(unsigned int)) /* for valgrind_stack_id */
 114 #else
 115 # define smx_context_usable_stack_size smx_context_stack_size
 116 #endif
 117
 118 XBT_PRIVATE void *SIMIX_context_stack_new(void);
 119 XBT_PRIVATE void SIMIX_context_stack_delete(void *stack);
 120
 121 XBT_PRIVATE void SIMIX_context_set_current(smx_context_t context);
 122 XBT_PRIVATE smx_context_t SIMIX_context_get_current(void);
 123
 124 /* ****************************** */
 125 /* context manipulation functions */
 126 /* ****************************** */
 127
 128 XBT_PUBLIC(int) SIMIX_process_get_maxpid(void);
 129
 130 XBT_PRIVATE void SIMIX_post_create_environment(void);
 131
 132 // FIXME, Dirty hack for SMPI+MSG
 133 XBT_PRIVATE void SIMIX_process_set_cleanup_function(
 134   smx_process_t process, void_pfn_smxprocess_t cleanup);
 135
 136 SG_END_DECL()
 137
 138 #endif