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[simgrid.git] / src / simix / smx_process_private.h
index 73fc714..2fbbc14 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2007-2010, 2012-2015. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
 #ifndef _SIMIX_PROCESS_PRIVATE_H
 #define _SIMIX_PROCESS_PRIVATE_H
 
+#include <atomic>
+#include <functional>
+#include <string>
+
+#include <xbt/base.h>
+#include <xbt/string.hpp>
+
+#include <simgrid/simix.hpp>
+#include <simgrid/s4u/Actor.hpp>
+
 #include "simgrid/simix.h"
-#include "smx_smurf_private.h"
+#include "popping_private.h"
 
 typedef struct s_smx_process_exit_fun {
-  int_f_pvoid_t fun;
+  int_f_pvoid_pvoid_t fun;
   void *arg;
 } s_smx_process_exit_fun_t, *smx_process_exit_fun_t;
 
-/** @brief Process datatype */
-typedef struct s_smx_process {
-  s_xbt_swag_hookup_t process_hookup;
-  s_xbt_swag_hookup_t synchro_hookup;   /* process_to_run or mutex->sleeping and co */
-  s_xbt_swag_hookup_t host_proc_hookup;
-  s_xbt_swag_hookup_t destroy_hookup;
-
-  unsigned long pid;
-  char *name;                   /**< @brief process name if any */
-  smx_host_t smx_host;          /* the host on which the process is running */
-  smx_context_t context;        /* the context (uctx/raw/thread) that executes the user function */
-  xbt_running_ctx_t *running_ctx;
-  unsigned doexception:1;
-  unsigned blocked:1;
-  unsigned suspended:1;
-  smx_host_t new_host;          /* if not null, the host on which the process must migrate to */
-  smx_action_t waiting_action;  /* the current blocking action if any */
-  xbt_fifo_t comms;       /* the current non-blocking communication actions */
-  xbt_dict_t properties;
+namespace simgrid {
+namespace simix {
+
+class ProcessArg {
+public:
+  std::string name;
+  std::function<void()> code;
+  void *data            = nullptr;
+  const char *hostname  = nullptr;
+  double kill_time      = 0.0;
+  xbt_dict_t properties = nullptr;
+  bool auto_restart     = false;
+};
+
+class Process {
+public:
+  Process() : actor_(this) {}
+
+  // TODO, replace with boost intrusive container hooks
+  s_xbt_swag_hookup_t process_hookup   = { nullptr, nullptr }; /* simix_global->process_list */
+  s_xbt_swag_hookup_t synchro_hookup   = { nullptr, nullptr }; /* {mutex,cond,sem}->sleeping */
+  s_xbt_swag_hookup_t host_proc_hookup = { nullptr, nullptr }; /* smx_host->process_lis */
+  s_xbt_swag_hookup_t destroy_hookup   = { nullptr, nullptr }; /* simix_global->process_to_destroy */
+
+  unsigned long pid  = 0;
+  unsigned long ppid = 0;
+  simgrid::xbt::string name;
+  sg_host_t host        = nullptr; /* the host on which the process is running */
+  smx_context_t context = nullptr; /* the context (uctx/raw/thread) that executes the user function */
+
+  // TODO, pack them
+  std::exception_ptr exception;
+  bool finished     = false;
+  bool blocked      = false;
+  bool suspended    = false;
+  bool auto_restart = false;
+
+  sg_host_t new_host            = nullptr; /* if not null, the host on which the process must migrate to */
+  smx_synchro_t waiting_synchro = nullptr; /* the current blocking synchro if any */
+  xbt_fifo_t comms              = nullptr; /* the current non-blocking communication synchros */
+  xbt_dict_t properties         = nullptr;
   s_smx_simcall_t simcall;
-  void *data;                   /* kept for compatibility, it should be replaced with moddata */
-  xbt_dynar_t on_exit_fun;     /* list of functions executed when the process dies */
-  xbt_dynar_t on_exit_args;    /* arguments (void*) of the functions executed when the process dies */
-} s_smx_process_t;
-
-typedef struct s_smx_process_arg {
-  const char *name;
-  xbt_main_func_t code;
-  void *data;
-  char *hostname;
-  int argc;
-  char **argv;
-  double kill_time;
-  xbt_dict_t properties;
-} s_smx_process_arg_t, *smx_process_arg_t;
-
-void SIMIX_process_create(smx_process_t *process,
+  void *data          = nullptr; /* kept for compatibility, it should be replaced with moddata */
+  xbt_dynar_t on_exit = nullptr; /* list of functions executed when the process dies */
+
+  std::function<void()> code;
+  smx_timer_t kill_timer = nullptr;
+  int segment_index      = 0;    /*Reference to an SMPI process' data segment. Default value is -1 if not in SMPI context*/
+
+  friend void intrusive_ptr_add_ref(Process* process)
+  {
+    // Atomic operation! Do not split in two instructions!
+    auto previous = (process->refcount_)++;
+    xbt_assert(previous != 0);
+    (void) previous;
+  }
+  friend void intrusive_ptr_release(Process* process)
+  {
+    // Atomic operation! Do not split in two instructions!
+    auto count = --(process->refcount_);
+    if (count == 0)
+      delete process;
+  }
+
+  ~Process();
+
+  simgrid::s4u::Actor& actor() { return actor_; }
+
+private:
+  std::atomic_int_fast32_t refcount_ { 1 };
+  simgrid::s4u::Actor actor_;
+};
+
+}
+}
+
+typedef simgrid::simix::ProcessArg *smx_process_arg_t;
+
+typedef simgrid::simix::Process* smx_process_t;
+
+SG_BEGIN_DECL()
+
+XBT_PRIVATE smx_process_t SIMIX_process_create(
                           const char *name,
-                          xbt_main_func_t code,
+                          std::function<void()> code,
                           void *data,
                           const char *hostname,
                           double kill_time,
-                          int argc, char **argv,
-                          xbt_dict_t properties);
-void SIMIX_process_runall(void);
-void SIMIX_process_kill(smx_process_t process);
-void SIMIX_process_killall(smx_process_t issuer);
-smx_process_t SIMIX_process_create_from_wrapper(smx_process_arg_t args);
-void SIMIX_create_maestro_process(void);
-void SIMIX_process_cleanup(smx_process_t arg);
-void SIMIX_process_empty_trash(void);
-void SIMIX_process_yield(smx_process_t self);
-xbt_running_ctx_t *SIMIX_process_get_running_context(void);
-void SIMIX_process_exception_terminate(xbt_ex_t * e);
-void SIMIX_pre_process_change_host(smx_process_t process,
-           smx_host_t dest);
-void SIMIX_process_change_host(smx_process_t process,
-             smx_host_t dest);
-void SIMIX_pre_process_change_host(smx_process_t process, smx_host_t host);
-void SIMIX_pre_process_suspend(smx_simcall_t simcall);
-smx_action_t SIMIX_process_suspend(smx_process_t process, smx_process_t issuer);
-void SIMIX_process_resume(smx_process_t process, smx_process_t issuer);
-void* SIMIX_process_get_data(smx_process_t process);
-void SIMIX_process_set_data(smx_process_t process, void *data);
-smx_host_t SIMIX_process_get_host(smx_process_t process);
-const char* SIMIX_process_get_name(smx_process_t process);
-smx_process_t SIMIX_process_get_by_name(const char* name);
-int SIMIX_process_is_suspended(smx_process_t process);
-xbt_dict_t SIMIX_process_get_properties(smx_process_t process);
-void SIMIX_pre_process_sleep(smx_simcall_t simcall);
-smx_action_t SIMIX_process_sleep(smx_process_t process, double duration);
-void SIMIX_post_process_sleep(smx_action_t action);
-
-void SIMIX_process_sleep_suspend(smx_action_t action);
-void SIMIX_process_sleep_resume(smx_action_t action);
-void SIMIX_process_sleep_destroy(smx_action_t action);
-
-void SIMIX_process_on_exit(smx_process_t process);
-void SIMIX_process_on_exit_add(int_f_pvoid_t fun, void *data);
+                          xbt_dict_t properties,
+                          int auto_restart,
+                          smx_process_t parent_process);
+
+XBT_PRIVATE void SIMIX_process_runall(void);
+XBT_PRIVATE void SIMIX_process_kill(smx_process_t process, smx_process_t issuer);
+XBT_PRIVATE void SIMIX_process_killall(smx_process_t issuer, int reset_pid);
+XBT_PRIVATE void SIMIX_process_stop(smx_process_t arg);
+XBT_PRIVATE void SIMIX_process_cleanup(smx_process_t arg);
+XBT_PRIVATE void SIMIX_process_empty_trash(void);
+XBT_PRIVATE void SIMIX_process_yield(smx_process_t self);
+XBT_PRIVATE void SIMIX_process_exception_terminate(xbt_ex_t * e);
+XBT_PRIVATE void SIMIX_process_change_host(smx_process_t process, sg_host_t dest);
+XBT_PRIVATE smx_synchro_t SIMIX_process_suspend(smx_process_t process, smx_process_t issuer);
+XBT_PRIVATE void SIMIX_process_resume(smx_process_t process, smx_process_t issuer);
+XBT_PRIVATE int SIMIX_process_get_PID(smx_process_t self);
+XBT_PRIVATE void* SIMIX_process_get_data(smx_process_t process);
+XBT_PRIVATE void SIMIX_process_set_data(smx_process_t process, void *data);
+XBT_PRIVATE smx_process_t SIMIX_process_get_by_name(const char* name);
+XBT_PRIVATE int SIMIX_process_is_suspended(smx_process_t process);
+XBT_PRIVATE xbt_dict_t SIMIX_process_get_properties(smx_process_t process);
+XBT_PRIVATE smx_synchro_t SIMIX_process_join(smx_process_t issuer, smx_process_t process, double timeout);
+XBT_PRIVATE smx_synchro_t SIMIX_process_sleep(smx_process_t process, double duration);
+
+XBT_PRIVATE void SIMIX_process_sleep_destroy(smx_synchro_t synchro);
+XBT_PRIVATE void SIMIX_process_auto_restart_set(smx_process_t process, int auto_restart);
+XBT_PRIVATE smx_process_t SIMIX_process_restart(smx_process_t process, smx_process_t issuer);
+
+void SIMIX_segment_index_set(smx_process_t process, int segment_index);
+extern void (*SMPI_switch_data_segment)(int dest);
+
+SG_END_DECL()
+
 #endif