X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/356d964ef596cb5f8905b6a6f54a1053d8ad86b6..027295612d642dab025657808b3ab22304644aae:/src/simix/smx_private.h

diff --git a/src/simix/smx_private.h b/src/simix/smx_private.h
index 472d5233ff..1e5f1c137b 100644
--- a/src/simix/smx_private.h
+++ b/src/simix/smx_private.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2007-2010, 2012-2014. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -14,6 +14,7 @@
 #include "xbt/dict.h"
 #include "xbt/mallocator.h"
 #include "xbt/config.h"
+#include "xbt/xbt_os_time.h"
 #include "xbt/function_types.h"
 #include "xbt/ex_interface.h"
 #include "instr/instr_private.h"
@@ -23,9 +24,14 @@
 #include "smx_network_private.h"
 #include "smx_smurf_private.h"
 #include "smx_synchro_private.h"
+/* ****************************************************************************************** */
+/* TUTORIAL: New API                                                                        */
+/* ****************************************************************************************** */
+#include "smx_new_api_private.h"
 
 /* Define only for SimGrid benchmarking purposes */
-#undef TIME_BENCH
+//#define TIME_BENCH_PER_SR /* this aims at measuring the time spent in each scheduling round per each thread. The code is thus run in sequential to bench separately each SSR */
+//#define TIME_BENCH_AMDAHL /* this aims at measuring the porting of time that could be parallelized at maximum (to get the optimal speedup by applying the amdahl law). */
 
 /********************************** Simix Global ******************************/
 typedef struct s_smx_global {
@@ -41,6 +47,11 @@ typedef struct s_smx_global {
   void_pfn_smxprocess_t cleanup_process_function;
   xbt_mallocator_t action_mallocator;
   void_pfn_smxhost_t autorestart;
+
+#ifdef TIME_BENCH_AMDAHL
+  xbt_os_timer_t timer_seq; /* used to bench the sequential and parallel parts of the simulation, if requested to */
+  xbt_os_timer_t timer_par;
+#endif
 } s_smx_global_t, *smx_global_t;
 
 extern smx_global_t simix_global;
@@ -48,6 +59,14 @@ extern unsigned long simix_process_maxpid;
 
 extern xbt_dict_t watched_hosts_lib;
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+XBT_PUBLIC(void) SIMIX_clean(void);
+#ifdef __cplusplus
+}
+#endif
+
 /******************************** Exceptions *********************************/
 
 #define SMX_EXCEPTION(issuer, c, v, m)                                  \
@@ -62,12 +81,9 @@ extern xbt_dict_t watched_hosts_lib;
 /* ******************************** File ************************************ */
 typedef struct s_smx_file {
   surf_file_t surf_file;
+  void* data;                   /**< @brief user data */
 } s_smx_file_t;
 
-typedef struct s_smx_stat {
-  s_file_stat_t surf_stat;
-} s_smx_stat_t;
-
 /*********************************** Time ************************************/
 
 /** @brief Timer datatype */
@@ -83,9 +99,14 @@ typedef enum {
   SIMIX_ACTION_EXECUTE,
   SIMIX_ACTION_PARALLEL_EXECUTE,
   SIMIX_ACTION_COMMUNICATE,
+  SIMIX_ACTION_JOIN,
   SIMIX_ACTION_SLEEP,
   SIMIX_ACTION_SYNCHRO,
-  SIMIX_ACTION_IO
+  SIMIX_ACTION_IO,
+  /* ****************************************************************************************** */
+  /* TUTORIAL: New API                                                                        */
+  /* ****************************************************************************************** */
+  SIMIX_ACTION_NEW_API
 } e_smx_action_type_t;
 
 typedef enum {
@@ -121,6 +142,12 @@ typedef struct s_smx_action {
     struct {
       e_smx_comm_type_t type;         /* Type of the communication (SIMIX_COMM_SEND or SIMIX_COMM_RECEIVE) */
       smx_rdv_t rdv;                  /* Rendez-vous where the comm is queued */
+
+#ifdef HAVE_MC
+      smx_rdv_t rdv_cpy;              /* Copy of the rendez-vous where the comm is queued, MC needs it for DPOR
+                                         (comm.rdv set to NULL when the communication is removed from the mailbox
+                                         (used as garbage collector)) */
+#endif
       int refcount;                   /* Number of processes involved in the cond */
       int detached;                   /* If detached or not */
 
@@ -147,7 +174,7 @@ typedef struct s_smx_action {
 
       void* src_data;                 /* User data associated to communication */
       void* dst_data;
-    } comm;    
+    } comm;
 
     struct {
       smx_host_t host;                /* The host that is sleeping */
@@ -162,6 +189,13 @@ typedef struct s_smx_action {
       smx_host_t host;
       surf_action_t surf_io;
     } io;
+
+    /* ****************************************************************************************** */
+    /* TUTORIAL: New API                                                                        */
+    /* ****************************************************************************************** */
+    struct {
+      surf_action_t surf_new_api;
+    } new_api;
   };
 
 #ifdef HAVE_LATENCY_BOUND_TRACKING
@@ -173,30 +207,31 @@ typedef struct s_smx_action {
 #endif
 } s_smx_action_t;
 
-/* FIXME: check if we can delete this function */
-static XBT_INLINE e_smx_state_t SIMIX_action_map_state(e_surf_action_state_t state)
-{
-  switch (state) {
-    case SURF_ACTION_READY:
-      return SIMIX_READY;
-    case SURF_ACTION_RUNNING:
-      return SIMIX_RUNNING;
-    case SURF_ACTION_FAILED:
-      return SIMIX_FAILED;
-    case SURF_ACTION_DONE:
-      return SIMIX_DONE;
-    default:
-      xbt_die("Unexpected SURF action state");
-  }
-}
-
 void SIMIX_context_mod_init(void);
 void SIMIX_context_mod_exit(void);
 
+#ifndef WIN32
+XBT_PUBLIC_DATA(char sigsegv_stack[SIGSTKSZ]);
+#endif
+
+/* We are using the bottom of the stack to save some information, like the
+ * valgrind_stack_id. Define smx_context_usable_stack_size to give the remaining
+ * size for the stack. */
+#ifdef HAVE_VALGRIND_VALGRIND_H
+# define smx_context_usable_stack_size                                  \
+  (smx_context_stack_size - sizeof(unsigned int)) /* for valgrind_stack_id */
+#else
+# define smx_context_usable_stack_size smx_context_stack_size
+#endif
+
+void *SIMIX_context_stack_new(void);
+void SIMIX_context_stack_delete(void *stack);
+
 void SIMIX_context_set_current(smx_context_t context);
 smx_context_t SIMIX_context_get_current(void);
 
 /* All factories init */
+
 void SIMIX_ctx_thread_factory_init(smx_context_factory_t *factory);
 void SIMIX_ctx_sysv_factory_init(smx_context_factory_t *factory);
 void SIMIX_ctx_raw_factory_init(smx_context_factory_t *factory);
@@ -208,12 +243,12 @@ void SIMIX_ctx_raw_factory_init(smx_context_factory_t *factory);
 /* Scenario for the end of a context:
  *
  * CASE 1: death after end of the main function
- *   the context_wrapper, called internally by the context module, calls 
- *   SIMIX_context_stop after user code stops, smx_context_stop calls user 
+ *   the context_wrapper, called internally by the context module, calls
+ *   SIMIX_context_stop after user code stops, smx_context_stop calls user
  *   cleanup_func if any (in context settings), add current process to trashbin
  *   and yields back to maestro.
  *   From time to time, maestro calls SIMIX_context_empty_trash, which destroy
- *   all the process and context data structures, and frees the memory 
+ *   all the process and context data structures, and frees the memory
  *
  * CASE 2: brutal death
  *   SIMIX_process_kill (from any process) set process->iwannadie = 1 and then
@@ -235,7 +270,8 @@ static XBT_INLINE smx_context_t SIMIX_context_new(xbt_main_func_t code,
                                                   void_pfn_smxprocess_t cleanup_func,
                                                   smx_process_t simix_process)
 {
-
+  if (!simix_global)
+    xbt_die("simix is not initialized, please call MSG_init first");
   return simix_global->context_factory->create_context(code,
                                                        argc, argv,
                                                        cleanup_func,
@@ -243,7 +279,7 @@ static XBT_INLINE smx_context_t SIMIX_context_new(xbt_main_func_t code,
 }
 
 /**
- * \brief destroy a context 
+ * \brief destroy a context
  * \param context the context to destroy
  * Argument must be stopped first -- runs in maestro context
  */
@@ -276,30 +312,34 @@ static XBT_INLINE void SIMIX_context_suspend(smx_context_t context)
  */
 static XBT_INLINE void SIMIX_context_runall(void)
 {
-  simix_global->context_factory->runall();
+  if (!xbt_dynar_is_empty(simix_global->process_to_run)) {
+    simix_global->context_factory->runall();
+  }
 }
 
 /**
- \brief returns the current running context 
+ \brief returns the current running context
  */
 static XBT_INLINE smx_context_t SIMIX_context_self(void)
 {
   if (simix_global && simix_global->context_factory) {
     return simix_global->context_factory->self();
   }
-
   return NULL;
 }
 
 /**
- \brief returns the data associated to a context
+ \brief returns the SIMIX process associated to a context
  \param context The context
- \return The data
+ \return The SIMIX process
  */
-static XBT_INLINE void* SIMIX_context_get_data(smx_context_t context)
+static XBT_INLINE smx_process_t SIMIX_context_get_process(smx_context_t context)
 {
-  return simix_global->context_factory->get_data(context);
+  return simix_global->context_factory->get_process(context);
 }
 
 XBT_PUBLIC(int) SIMIX_process_get_maxpid(void);
+
+void SIMIX_post_create_environment(void);
+
 #endif