-/* $Id$ */
-
-/* Copyright (c) 2007 Arnaud Legrand, Bruno Donnassolo.
- All rights reserved. */
+/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#ifndef SIMIX_PRIVATE_H
#define SIMIX_PRIVATE_H
-#include <stdio.h>
#include "simix/simix.h"
#include "surf/surf.h"
#include "xbt/fifo.h"
#include "xbt/config.h"
#include "xbt/function_types.h"
#include "xbt/ex_interface.h"
+#include "instr/private.h"
/******************************** Datatypes ***********************************/
@ingroup m_datatypes_management_details */
typedef struct s_smx_host {
char *name; /**< @brief host name if any */
- void *host; /* SURF modeling */
+ void *host; /* SURF modeling */
xbt_swag_t process_list;
void *data; /**< @brief user data */
} s_smx_host_t;
smx_creation_func_t create_process_function;
void_f_pvoid_t kill_process_function;
void_f_pvoid_t cleanup_process_function;
+ xbt_dict_t msg_sizes; /* pimple to get an histogram of message sizes in the simulation */
+#ifdef HAVE_LATENCY_BOUND_TRACKING
+ xbt_dict_t latency_limited_dict;
+#endif
} s_SIMIX_Global_t, *SIMIX_Global_t;
extern SIMIX_Global_t simix_global;
/** @brief Process datatype
@ingroup m_datatypes_management_details @{ */
- typedef struct s_smx_process {
- s_xbt_swag_hookup_t process_hookup;
- s_xbt_swag_hookup_t synchro_hookup;
- s_xbt_swag_hookup_t host_proc_hookup;
- s_xbt_swag_hookup_t destroy_hookup;
-
- 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 that executes the scheduler function */
- ex_ctx_t *exception;
- int blocked : 1;
- int suspended : 1;
- int iwannadie : 1;
- smx_mutex_t mutex; /* mutex on which the process is blocked */
- smx_cond_t cond; /* cond on which the process is blocked */
- smx_action_t waiting_action;
- xbt_dict_t properties;
- void *data; /* kept for compatibility, it should be replaced with moddata */
-
- } s_smx_process_t;
+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;
+
+ 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 that executes the scheduler function */
+ ex_ctx_t *exception;
+ int blocked:1;
+ int suspended:1;
+ int iwannadie:1;
+ smx_mutex_t mutex; /* mutex on which the process is blocked */
+ smx_cond_t cond; /* cond on which the process is blocked */
+ smx_sem_t sem; /* semaphore on which the process is blocked */
+ smx_action_t waiting_action;
+ xbt_dict_t properties;
+ void *data; /* kept for compatibility, it should be replaced with moddata */
+
+} s_smx_process_t;
/** @} */
typedef struct s_smx_process_arg {
void SIMIX_create_maestro_process(void);
void SIMIX_process_empty_trash(void);
void SIMIX_process_schedule(smx_process_t process);
-void SIMIX_process_yield(void);
ex_ctx_t *SIMIX_process_get_exception(void);
void SIMIX_process_exception_terminate(xbt_ex_t * e);
-/*************************** Mutex and Conditional ****************************/
-
-typedef struct s_smx_mutex {
-
- /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_mutex */
- xbt_swag_t sleeping; /* list of sleeping process */
- int refcount;
- /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_mutex */
-
-} s_smx_mutex_t;
-
-typedef struct s_smx_cond {
-
- /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_cond */
- xbt_swag_t sleeping; /* list of sleeping process */
- smx_mutex_t mutex;
- xbt_fifo_t actions; /* list of actions */
- /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_cond */
-
-} s_smx_cond_t;
-
/******************************* Networking ***********************************/
/** @brief Rendez-vous point datatype */
char *name;
smx_mutex_t read;
smx_mutex_t write;
- xbt_fifo_t comm_fifo;
+ xbt_fifo_t comm_fifo;
+ void *data;
} s_smx_rvpoint_t;
typedef struct s_smx_comm {
- smx_comm_type_t type; /* Type of the communication (comm_send,comm_recv) */
- smx_rdv_t rdv; /* Rendez-vous where the comm is queued */
- smx_cond_t cond; /* Condition associated to the surf simulation */
- int refcount; /* Number of processes involved in the cond */
+ smx_comm_type_t type; /* Type of the communication (comm_send,comm_recv) */
+ smx_rdv_t rdv; /* Rendez-vous where the comm is queued */
+ smx_sem_t sem; /* Semaphore associated to the surf simulation */
+ int refcount; /* Number of processes involved in the cond */
/* Surf action data */
smx_process_t src_proc;
smx_process_t dst_proc;
+ smx_action_t src_timeout;
+ smx_action_t dst_timeout;
smx_action_t act;
double rate;
double task_size;
/* Data to be transfered */
void *src_buff;
- size_t src_buff_size;
void *dst_buff;
+ size_t src_buff_size;
size_t *dst_buff_size;
+ char copied;
+
+ void *data; /* User data associated to communication */
} s_smx_comm_t;
+void SIMIX_network_copy_data(smx_comm_t comm);
+smx_comm_t SIMIX_communication_new(smx_comm_type_t type);
+static XBT_INLINE void SIMIX_communication_use(smx_comm_t comm);
+static XBT_INLINE void SIMIX_communication_wait_for_completion(smx_comm_t
+ comm,
+ double
+ timeout);
+static XBT_INLINE void SIMIX_rdv_push(smx_rdv_t rdv, smx_comm_t comm);
+static XBT_INLINE void SIMIX_rdv_remove(smx_rdv_t rdv, smx_comm_t comm);
+
/********************************* Action *************************************/
-typedef enum {ready, ongoing, done, failed} smx_action_state_t;
+typedef enum { ready, ongoing, done, failed } smx_action_state_t;
/** @brief Action datatype
@ingroup m_datatypes_management_details */
typedef struct s_smx_action {
char *name; /**< @brief action name if any */
- xbt_fifo_t cond_list; /*< conditional variables that must be signaled when the action finish. */
+ xbt_fifo_t cond_list; /*< conditional variables that must be signaled when the action finish. */
+ xbt_fifo_t sem_list; /*< semaphores that must be signaled when the action finish. */
void *data; /**< @brief user data */
int refcount; /**< @brief reference counter */
surf_action_t surf_action; /* SURF modeling of computation */
smx_host_t source;
+#ifdef HAVE_TRACING
+ long long int counter; /* simix action unique identifier for instrumentation */
+ char *category; /* simix action category for instrumentation */
+#endif
} s_smx_action_t;
/************************** Configuration support *****************************/
get_state(SIMIX_host_self()->host)==SURF_RESOURCE_ON,\
"Host failed, you cannot call this function.")
-smx_host_t __SIMIX_host_create(const char *name, void *workstation, void *data);
+smx_host_t __SIMIX_host_create(const char *name, void *workstation,
+ void *data);
void __SIMIX_host_destroy(void *host);
void __SIMIX_cond_wait(smx_cond_t cond);
void __SIMIX_cond_display_actions(smx_cond_t cond);
/******************************** Context *************************************/
-void SIMIX_context_mod_init(void);
-
-void SIMIX_context_mod_exit(void);
-
-/* *********************** */
-/* Context type definition */
-/* *********************** */
-/* the following function pointers types describe the interface that all context
- concepts must implement */
-
-/* each context type must contain this macro at its begining -- OOP in C :/ */
-#define SMX_CTX_BASE_T \
- s_xbt_swag_hookup_t hookup; \
- xbt_main_func_t code; \
- int argc; \
- char **argv; \
- void_f_pvoid_t cleanup_func; \
- void *cleanup_arg; \
-
-/* all other context types derive from this structure */
-typedef struct s_smx_context {
- SMX_CTX_BASE_T;
-} s_smx_context_t;
-
-/* *********************** */
-/* factory type definition */
-/* *********************** */
-
-/* Each context implementation define its own context factory
- * A context factory is responsable of the creation and manipulation of the
- * execution context of all the simulated processes (and maestro) using the
- * selected implementation.
- *
- * For example, the context switch based on java thread use the
- * java implementation of the context and the java factory to build and control
- * the contexts depending on this implementation.
-
- * The following function pointer types describe the interface that any context
- * factory should implement.
- */
-
-/* function used to create a new context */
-typedef smx_context_t (*smx_pfn_context_factory_create_context_t)
- (xbt_main_func_t, int, char**, void_f_pvoid_t, void*);
+/* The following function pointer types describe the interface that any context
+ factory should implement */
-/* this function finalize the specified context factory */
-typedef int (*smx_pfn_context_factory_finalize_t) (smx_context_factory_t*);
-
-/* function used to destroy the specified context */
+typedef smx_context_t(*smx_pfn_context_factory_create_context_t)
+ (xbt_main_func_t, int, char **, void_f_pvoid_t, void *);
+typedef int (*smx_pfn_context_factory_finalize_t) (smx_context_factory_t
+ *);
typedef void (*smx_pfn_context_free_t) (smx_context_t);
-
-/* function used to start the specified context */
typedef void (*smx_pfn_context_start_t) (smx_context_t);
-
-/* function used to stop the current context */
typedef void (*smx_pfn_context_stop_t) (smx_context_t);
-
-/* function used to suspend the current context */
typedef void (*smx_pfn_context_suspend_t) (smx_context_t context);
-
-/* function used to resume the current context */
-typedef void (*smx_pfn_context_resume_t) (smx_context_t old_context,
- smx_context_t new_context);
+typedef void (*smx_pfn_context_resume_t) (smx_context_t new_context);
/* interface of the context factories */
typedef struct s_smx_context_factory {
smx_pfn_context_factory_create_context_t create_context;
smx_pfn_context_factory_finalize_t finalize;
smx_pfn_context_free_t free;
- smx_pfn_context_start_t start;
smx_pfn_context_stop_t stop;
smx_pfn_context_suspend_t suspend;
smx_pfn_context_resume_t resume;
const char *name;
} s_smx_context_factory_t;
-/* Selects a context factory associated with the name specified by the parameter name.
- * If successful the function returns 0. Otherwise the function returns the error code.
- */
-int SIMIX_context_select_factory(const char *name);
-/* Initializes a context factory from the name specified by the parameter name.
- * If the factory cannot be found, an exception is raised.
- */
-void SIMIX_context_init_factory_by_name(smx_context_factory_t * factory, const char *name);
+void SIMIX_context_mod_init(void);
+
+void SIMIX_context_mod_exit(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_java_factory_init(smx_context_factory_t * factory);
-
/* ****************************** */
/* context manipulation functions */
/* ****************************** */
* \param cleanup_func the function to call when the context stops
* \param cleanup_arg the argument of the cleanup_func function
*/
-static inline smx_context_t SIMIX_context_new(xbt_main_func_t code, int argc,
- char** argv,
- void_f_pvoid_t cleanup_func,
- void* cleanup_arg)
+static XBT_INLINE smx_context_t SIMIX_context_new(xbt_main_func_t code,
+ int argc, char **argv,
+ void_f_pvoid_t
+ cleanup_func,
+ void *cleanup_arg)
{
+
return (*(simix_global->context_factory->create_context))
- (code, argc, argv, cleanup_func, cleanup_arg);
+ (code, argc, argv, cleanup_func, cleanup_arg);
}
/**
* \param context the context to destroy
* Argument must be stopped first -- runs in maestro context
*/
-static inline void SIMIX_context_free(smx_context_t context)
+static XBT_INLINE void SIMIX_context_free(smx_context_t context)
{
(*(simix_global->context_factory->free)) (context);
}
-/**
- * \brief prepares aa context to be run
- * \param context the context to start
- * It will however run effectively only when calling #SIMIX_process_schedule
- */
-static inline void SIMIX_context_start(smx_context_t context)
-{
- (*(simix_global->context_factory->start)) (context);
-}
-
/**
* \brief stops the execution of a context
* \param context to stop
*/
-static inline void SIMIX_context_stop(smx_context_t context)
+static XBT_INLINE void SIMIX_context_stop(smx_context_t context)
{
(*(simix_global->context_factory->stop)) (context);
}
\param old_context the actual context from which is resuming
\param new_context the context to resume
*/
-static inline void SIMIX_context_resume(smx_context_t old_context,
- smx_context_t new_context)
+static XBT_INLINE void SIMIX_context_resume(smx_context_t new_context)
{
- (*(simix_global->context_factory->resume)) (old_context, new_context);
+ (*(simix_global->context_factory->resume)) (new_context);
}
/**
scheduled it
\param context the context to be suspended (it must be the running one)
*/
-static inline void SIMIX_context_suspend(smx_context_t context)
+static XBT_INLINE void SIMIX_context_suspend(smx_context_t context)
{
(*(simix_global->context_factory->suspend)) (context);
}