-/* $Id$ */\r
-\r
-/* Copyright (c) 2007 Arnaud Legrand, Bruno Donnassolo.\r
- All rights reserved. */\r
-\r
-/* This program is free software; you can redistribute it and/or modify it\r
- * under the terms of the license (GNU LGPL) which comes with this package. */\r
-\r
-#ifndef SIMIX_PRIVATE_H\r
-#define SIMIX_PRIVATE_H\r
-\r
-#include <stdio.h>\r
-#include "simix/simix.h"\r
-#include "surf/surf.h"\r
-#include "xbt/fifo.h"\r
-#include "xbt/swag.h"\r
-#include "xbt/dict.h"\r
-#include "xbt/config.h"\r
-#include "xbt/function_types.h"\r
-\r
-/******************************** Datatypes ***********************************/\r
-\r
-\r
-/*********************************** Host *************************************/\r
-\r
-/** @brief Host datatype \r
- @ingroup m_datatypes_management_details */\r
-typedef struct s_smx_host {\r
- char *name; /**< @brief host name if any */\r
- void *host; /* SURF modeling */\r
- xbt_swag_t process_list;\r
- void *data; /**< @brief user data */\r
-} s_smx_host_t;\r
-\r
-/********************************** Simix Global ******************************/\r
-\r
-typedef struct s_smx_context_factory *smx_context_factory_t;\r
-\r
-typedef struct SIMIX_Global {\r
- smx_context_factory_t context_factory;\r
- xbt_dict_t host;\r
- xbt_swag_t process_to_run;\r
- xbt_swag_t process_list;\r
- xbt_swag_t process_to_destroy;\r
- smx_process_t current_process;\r
- smx_process_t maestro_process;\r
- xbt_dict_t registered_functions;\r
- smx_creation_func_t create_process_function;\r
- void_f_pvoid_t kill_process_function;\r
- void_f_pvoid_t cleanup_process_function;\r
-} s_SIMIX_Global_t, *SIMIX_Global_t;\r
-\r
-extern SIMIX_Global_t simix_global;\r
-\r
-/******************************** Process *************************************/\r
-\r
-typedef struct s_xbt_context *xbt_context_t;\r
-\r
-/** @brief Process datatype \r
- @ingroup m_datatypes_management_details @{ */\r
- typedef struct s_smx_process {\r
- s_xbt_swag_hookup_t process_hookup;\r
- s_xbt_swag_hookup_t synchro_hookup;\r
- s_xbt_swag_hookup_t host_proc_hookup;\r
- s_xbt_swag_hookup_t destroy_hookup;\r
-\r
- char *name; /**< @brief process name if any */\r
- smx_host_t smx_host; /* the host on which the process is running */\r
- xbt_context_t context; /* the context that executes the scheduler function */\r
- int argc; /* arguments number if any */\r
- char **argv; /* arguments table if any */\r
- int blocked : 1;\r
- int suspended : 1;\r
- int iwannadie : 1;\r
- smx_mutex_t mutex; /* mutex on which the process is blocked */\r
- smx_cond_t cond; /* cond on which the process is blocked */\r
- xbt_dict_t properties;\r
- void *data; /* kept for compatibility, it should be replaced with moddata */\r
- void_f_pvoid_t cleanup_func;\r
- void *cleanup_arg;\r
-\r
- } s_smx_process_t;\r
-/** @} */\r
-\r
-typedef struct s_smx_process_arg {\r
- const char *name;\r
- xbt_main_func_t code;\r
- void *data;\r
- char *hostname;\r
- int argc;\r
- char **argv;\r
- double kill_time;\r
- xbt_dict_t properties;\r
-} s_smx_process_arg_t, *smx_process_arg_t;\r
-\r
-/*************************** Mutex and Conditional ****************************/\r
-\r
-typedef struct s_smx_mutex {\r
-\r
- /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_mutex */\r
- xbt_swag_t sleeping; /* list of sleeping process */\r
- int refcount;\r
- /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_mutex */\r
-\r
-} s_smx_mutex_t;\r
-\r
-typedef struct s_smx_cond {\r
-\r
- /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_cond */\r
- xbt_swag_t sleeping; /* list of sleeping process */\r
- smx_mutex_t mutex;\r
- xbt_fifo_t actions; /* list of actions */\r
- /* KEEP IT IN SYNC WITH src/xbt_sg_thread.c::struct s_xbt_cond */\r
-\r
-} s_smx_cond_t;\r
-\r
-/********************************* Action *************************************/\r
-\r
-/** @brief Action datatype \r
- @ingroup m_datatypes_management_details */\r
-typedef struct s_smx_action {\r
- char *name; /**< @brief action name if any */\r
- xbt_fifo_t cond_list; /*< conditional variables that must be signaled when the action finish. */\r
- void *data; /**< @brief user data */\r
- int refcount; /**< @brief reference counter */\r
- surf_action_t surf_action; /* SURF modeling of computation */\r
- smx_host_t source;\r
-} s_smx_action_t;\r
-\r
-/******************************* Other **********************************/\r
-\r
-\r
-#define SIMIX_CHECK_HOST() xbt_assert0(surf_workstation_model->extension.workstation. \\r
- get_state(SIMIX_host_self()->host)==SURF_RESOURCE_ON,\\r
- "Host failed, you cannot call this function.")\r
-\r
-smx_host_t __SIMIX_host_create(const char *name, void *workstation, void *data);\r
-void __SIMIX_host_destroy(void *host);\r
-void __SIMIX_cond_wait(smx_cond_t cond);\r
-void __SIMIX_cond_display_actions(smx_cond_t cond);\r
-void __SIMIX_action_display_conditions(smx_action_t action);\r
-void __SIMIX_create_maestro_process(void);\r
-\r
-/******************************** Context *************************************/\r
-\r
-int SIMIX_context_create_maestro(smx_process_t *process);\r
-\r
-int SIMIX_context_new(smx_process_t *process, xbt_main_func_t code);\r
-\rvoid SIMIX_context_kill(smx_process_t process);\r
-\rvoid SIMIX_context_start(smx_process_t process);\r
-\rvoid SIMIX_context_yield(void);\r
-\rvoid SIMIX_context_schedule(smx_process_t process);\r
- \rvoid SIMIX_context_empty_trash(void);\r
-\r
-void SIMIX_context_stop(int exit_code);\r
- \rvoid SIMIX_context_free(smx_process_t process);\r
-\r
-void SIMIX_context_mod_init(void);\r
-\r
-void SIMIX_context_mod_exit(void);\r
-#endif\r
+/* $Id$ */
+
+/* Copyright (c) 2007 Arnaud Legrand, Bruno Donnassolo.
+ 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/swag.h"
+#include "xbt/dict.h"
+#include "xbt/config.h"
+#include "xbt/function_types.h"
+
+/******************************** Datatypes ***********************************/
+
+
+/*********************************** Host *************************************/
+
+/** @brief Host datatype
+ @ingroup m_datatypes_management_details */
+typedef struct s_smx_host {
+ char *name; /**< @brief host name if any */
+ void *host; /* SURF modeling */
+ xbt_swag_t process_list;
+ void *data; /**< @brief user data */
+} s_smx_host_t;
+
+/********************************** Simix Global ******************************/
+
+typedef struct s_smx_context_factory *smx_context_factory_t;
+
+typedef struct SIMIX_Global {
+ smx_context_factory_t context_factory;
+ xbt_dict_t host;
+ xbt_swag_t process_to_run;
+ xbt_swag_t process_list;
+ xbt_swag_t process_to_destroy;
+ smx_process_t current_process;
+ smx_process_t maestro_process;
+ xbt_dict_t registered_functions;
+ smx_creation_func_t create_process_function;
+ void_f_pvoid_t kill_process_function;
+ void_f_pvoid_t cleanup_process_function;
+} s_SIMIX_Global_t, *SIMIX_Global_t;
+
+extern SIMIX_Global_t simix_global;
+
+/******************************** Process *************************************/
+
+typedef struct s_smx_context *smx_context_t;
+
+/** @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 */
+ int argc; /* arguments number if any */
+ char **argv; /* arguments table if any */
+ 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 */
+ xbt_dict_t properties;
+ void *data; /* kept for compatibility, it should be replaced with moddata */
+ void_f_pvoid_t cleanup_func;
+ void *cleanup_arg;
+
+ } 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;
+
+/*************************** 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;
+
+/********************************* Action *************************************/
+
+/** @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. */
+ void *data; /**< @brief user data */
+ int refcount; /**< @brief reference counter */
+ surf_action_t surf_action; /* SURF modeling of computation */
+ smx_host_t source;
+} s_smx_action_t;
+
+/************************** Configuration support *****************************/
+
+void simix_config_init(void); /* create the config set, call this before use! */
+void simix_config_finalize(void); /* destroy the config set, call this at cleanup. */
+extern int _simix_init_status; /* 0: beginning of time;
+ 1: pre-inited (cfg_set created);
+ 2: inited (running) */
+extern xbt_cfg_t _simix_cfg_set;
+
+
+#define SIMIX_CHECK_HOST() xbt_assert0(surf_workstation_model->extension_public-> \
+ get_state(SIMIX_host_self()->host)==SURF_CPU_ON,\
+ "Host failed, you cannot call this function.")
+
+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);
+void __SIMIX_action_display_conditions(smx_action_t action);
+void __SIMIX_create_maestro_process(void);
+
+/******************************** Context *************************************/
+
+int SIMIX_context_create_maestro(smx_process_t *process);
+
+int SIMIX_context_new(smx_process_t *process, xbt_main_func_t code);
+
+void SIMIX_context_kill(smx_process_t process);
+
+void SIMIX_context_start(smx_process_t process);
+
+void SIMIX_context_yield(void);
+
+void SIMIX_context_schedule(smx_process_t process);
+
+void SIMIX_context_empty_trash(void);
+
+void SIMIX_context_stop(int exit_code);
+
+void SIMIX_context_free(smx_process_t process);
+
+void SIMIX_context_mod_init(void);
+
+void SIMIX_context_mod_exit(void);
+#endif
#include "portable.h"
#include "xbt/log.h"
#include "xbt/swag.h"
-#include "xbt_context_private.h"
+#include "smx_context_private.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_context, xbt,
- "Context switching mecanism");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smx_context, simix, "Context switching mecanism");
/* the context factory used to create the appropriate context
* each context implementation define its own context factory
void SIMIX_context_mod_init(void)
{
if (!simix_global->context_factory) {
- /* select context factory to use to create the context(depends of the macro definitions) */
+ /* select context factory to use to create the context(depends of the macro definitions) */
#ifdef CONTEXT_THREADS
/* context switch based os thread */
/* Scenario for the end of a context:
*
* CASE 1: death after end of function
- * __context_wrapper, called by os thread, calls xbt_context_stop after user code stops
- * xbt_context_stop calls user cleanup_func if any (in context settings),
+ * __context_wrapper, called by os thread, calls smx_context_stop after user code stops
+ * smx_context_stop calls user cleanup_func if any (in context settings),
* add current to trashbin
* yields back to maestro (destroy os thread on need)
- * From time to time, maestro calls xbt_context_empty_trash,
- * which maps xbt_context_free on the content
- * xbt_context_free frees some more memory,
+ * From time to time, maestro calls smx_context_empty_trash,
+ * which maps smx_context_free on the content
+ * smx_context_free frees some more memory,
* joins os thread
*
* CASE 2: brutal death
- * xbt_context_kill (from any context)
+ * smx_context_kill (from any context)
* set context->wannadie to 1
* yields to the context
* the context is awaken in the middle of __yield.
- * At the end of it, it checks that wannadie == 1, and call xbt_context_stop
+ * At the end of it, it checks that wannadie == 1, and call smx_context_stop
* (same than first case afterward)
*/
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "xbt/ex_interface.h"
-#include "xbt_context_private.h"
+#include "smx_context_private.h"
#include "context_sysv_config.h" /* loads context system definitions */
#include "portable.h"
# include <valgrind/valgrind.h>
#endif /* HAVE_VALGRIND_VALGRIND_H */
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(xbt_context);
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(smx_context);
-typedef struct s_xbt_ctx_sysv {
- XBT_CTX_BASE_T;
+typedef struct s_smx_ctx_sysv {
+ SMX_CTX_BASE_T;
ucontext_t uc; /* the thread that execute the code */
char stack[STACK_SIZE]; /* the thread stack size */
smx_process_t prev; /* the previous process */
#ifdef HAVE_VALGRIND_VALGRIND_H
unsigned int valgrind_stack_id; /* the valgrind stack id */
#endif
-} s_xbt_ctx_sysv_t, *xbt_ctx_sysv_t;
+} s_smx_ctx_sysv_t, *smx_ctx_sysv_t;
/* callback: context fetching */
static int smx_ctx_sysv_factory_create_maestro_context(smx_process_t *maestro)
{
- xbt_ctx_sysv_t context = xbt_new0(s_xbt_ctx_sysv_t, 1);
+ smx_ctx_sysv_t context = xbt_new0(s_smx_ctx_sysv_t, 1);
context->exception = xbt_new(ex_ctx_t, 1);
XBT_CTX_INITIALIZE(context->exception);
- (*maestro)->context = (xbt_context_t) context;
+ (*maestro)->context = (smx_context_t) context;
return 0;
smx_ctx_sysv_factory_create_context(smx_process_t *smx_process, xbt_main_func_t code)
{
VERB1("Create context %s", (*smx_process)->name);
- xbt_ctx_sysv_t context = xbt_new0(s_xbt_ctx_sysv_t, 1);
+ smx_ctx_sysv_t context = xbt_new0(s_smx_ctx_sysv_t, 1);
context->code = code;
context->exception = xbt_new(ex_ctx_t, 1);
XBT_CTX_INITIALIZE(context->exception);
- (*smx_process)->context = (xbt_context_t)context;
+ (*smx_process)->context = (smx_context_t)context;
(*smx_process)->iwannadie = 0;
/* FIXME: Check what should return */
static void smx_ctx_sysv_free(smx_process_t process)
{
- xbt_ctx_sysv_t context = (xbt_ctx_sysv_t)process->context;
+ smx_ctx_sysv_t context = (smx_ctx_sysv_t)process->context;
if (context){
if (context->exception)
free(context->exception);
#ifdef HAVE_VALGRIND_VALGRIND_H
- VALGRIND_STACK_DEREGISTER(((xbt_ctx_sysv_t) context)->valgrind_stack_id);
+ VALGRIND_STACK_DEREGISTER(((smx_ctx_sysv_t) context)->valgrind_stack_id);
#endif /* HAVE_VALGRIND_VALGRIND_H */
/* destroy the context */
static void smx_ctx_sysv_start(smx_process_t process)
{
/*DEBUG1("Start context '%s'", context->name);*/
- makecontext(&(((xbt_ctx_sysv_t) process->context)->uc), smx_ctx_sysv_wrapper, 0);
+ makecontext(&(((smx_ctx_sysv_t) process->context)->uc), smx_ctx_sysv_wrapper, 0);
}
static void smx_ctx_sysv_stop(int exit_code)
xbt_assert0(simix_global->current_process, "You have to call context_init() first.");
xbt_assert0(process, "Invalid argument");
- if (((xbt_ctx_sysv_t) process->context)->prev == NULL)
+ if (((smx_ctx_sysv_t) process->context)->prev == NULL)
smx_ctx_sysv_resume(process);
else
smx_ctx_sysv_suspend(process);
int rv;
DEBUG1("Suspend context: '%s'", simix_global->current_process->name);
- smx_process_t prev_process = ((xbt_ctx_sysv_t) process->context)->prev;
+ smx_process_t prev_process = ((smx_ctx_sysv_t) process->context)->prev;
simix_global->current_process = prev_process;
- ((xbt_ctx_sysv_t) process->context)->prev = NULL;
+ ((smx_ctx_sysv_t) process->context)->prev = NULL;
- rv = swapcontext(&(((xbt_ctx_sysv_t) process->context)->uc), &(((xbt_ctx_sysv_t)prev_process->context)->uc));
+ rv = swapcontext(&(((smx_ctx_sysv_t) process->context)->uc), &(((smx_ctx_sysv_t)prev_process->context)->uc));
xbt_assert0((rv == 0), "Context swapping failure");
}
static void smx_ctx_sysv_resume(smx_process_t process)
{
int rv;
- xbt_ctx_sysv_t new_context = (xbt_ctx_sysv_t)process->context;
- xbt_ctx_sysv_t prev_context = (xbt_ctx_sysv_t)simix_global->current_process->context;
+ smx_ctx_sysv_t new_context = (smx_ctx_sysv_t)process->context;
+ smx_ctx_sysv_t prev_context = (smx_ctx_sysv_t)simix_global->current_process->context;
DEBUG2("Resume context: '%s' (from '%s')", process->name,
simix_global->current_process->name);
- ((xbt_ctx_sysv_t) process->context)->prev = simix_global->current_process;
+ ((smx_ctx_sysv_t) process->context)->prev = simix_global->current_process;
simix_global->current_process = process;
