-/* 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_PRIVATE_H
#define _SIMIX_PRIVATE_H
+#include <functional>
+
+#include "src/internal_config.h"
#include "simgrid/simix.h"
#include "surf/surf.h"
+#include "xbt/base.h"
#include "xbt/fifo.h"
#include "xbt/swag.h"
#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"
+#include "src/xbt/ex_interface.h"
+#include "src/instr/instr_private.h"
#include "smx_process_private.h"
#include "smx_host_private.h"
#include "smx_io_private.h"
#include "smx_network_private.h"
-#include "smx_smurf_private.h"
+#include "popping_private.h"
#include "smx_synchro_private.h"
-/* Define only for SimGrid benchmarking purposes */
-#undef TIME_BENCH
+#include <signal.h>
+
+#ifdef __cplusplus
+
+#include <simgrid/simix.hpp>
+
+namespace simgrid {
+namespace simix {
+
+/* This allows Java to hijack the context factory (Java induces factories of factory :) */
+typedef ContextFactory* (*ContextFactoryInitializer)(void);
+XBT_PUBLIC_DATA(ContextFactoryInitializer) factory_initializer;
+
+XBT_PRIVATE ContextFactory* thread_factory();
+XBT_PRIVATE ContextFactory* sysv_factory();
+XBT_PRIVATE ContextFactory* raw_factory();
+XBT_PRIVATE ContextFactory* boost_factory();
+
+}
+}
+
+typedef simgrid::simix::ContextFactory *smx_context_factory_t;
+
+#else
+
+typedef struct s_smx_context_factory *smx_context_factory_t;
+
+#endif
+
+SG_BEGIN_DECL()
/********************************** Simix Global ******************************/
typedef struct s_smx_global {
xbt_dict_t registered_functions;
smx_creation_func_t create_process_function;
void_pfn_smxprocess_t kill_process_function;
+ /** Callback used when killing a SMX_process */
void_pfn_smxprocess_t cleanup_process_function;
- xbt_mallocator_t action_mallocator;
+
+ xbt_os_mutex_t mutex;
} s_smx_global_t, *smx_global_t;
-extern smx_global_t simix_global;
-extern unsigned long simix_process_maxpid;
+XBT_PUBLIC_DATA(smx_global_t) simix_global;
+extern XBT_PRIVATE unsigned long simix_process_maxpid;
-/******************************** Exceptions *********************************/
+XBT_PUBLIC(void) SIMIX_clean(void);
-#define SMX_EXCEPTION(issuer, c, v, m) \
- if (1) { \
- smx_process_t _smx_throw_issuer = (issuer); \
- THROW_PREPARE(_smx_throw_issuer->running_ctx, (c), (v), xbt_strdup(m)); \
- _smx_throw_issuer->doexception = 1; \
+/******************************** Exceptions *********************************/
+/** @brief Ask to the provided simix process to raise the provided exception */
+#define SMX_EXCEPTION(issuer, cat, val, msg) \
+ if (1) { \
+ smx_process_t _smx_throw_issuer = (issuer); /* evaluate only once */ \
+ xbt_ex e(msg); \
+ e.category = cat; \
+ e.value = val; \
+ e.file = __FILE__; \
+ e.line = __LINE__; \
+ e.func = __func__; \
+ _smx_throw_issuer->exception = std::make_exception_ptr(e); \
} else ((void)0)
-#define SMX_THROW() RETHROW
-
/* ******************************** 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 */
-typedef struct s_smx_timer {
- double date;
- void* func;
- void* args;
-} s_smx_timer_t;
-
-/********************************* Action *************************************/
-
-typedef enum {
- SIMIX_ACTION_EXECUTE,
- SIMIX_ACTION_PARALLEL_EXECUTE,
- SIMIX_ACTION_COMMUNICATE,
- SIMIX_ACTION_SLEEP,
- SIMIX_ACTION_SYNCHRO,
- SIMIX_ACTION_IO
-} e_smx_action_type_t;
-
-typedef enum {
- SIMIX_COMM_SEND,
- SIMIX_COMM_RECEIVE,
- SIMIX_COMM_READY,
- SIMIX_COMM_DONE
-} e_smx_comm_type_t;
-
-typedef enum {
- SIMIX_IO_OPEN,
- SIMIX_IO_WRITE,
- SIMIX_IO_READ,
- SIMIX_IO_STAT
-} e_smx_io_type_t;
-
-/** @brief Action datatype */
-typedef struct s_smx_action {
-
- e_smx_action_type_t type; /* Type of SIMIX action*/
- e_smx_state_t state; /* State of the action */
- char *name; /* Action name if any */
- xbt_fifo_t simcalls; /* List of simcalls waiting for this action */
-
- /* Data specific to each action type */
- union {
-
- struct {
- smx_host_t host; /* The host where the execution takes place */
- surf_action_t surf_exec; /* The Surf execution action encapsulated */
- } execution; /* Possibly parallel execution */
-
- 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 */
- int refcount; /* Number of processes involved in the cond */
- int detached; /* If detached or not */
-
- void (*clean_fun)(void*); /* Function to clean the detached src_buf if something goes wrong */
- int (*match_fun)(void*,void*,smx_action_t); /* Filter function used by the other side. It is used when
- looking if a given communication matches my needs. For that, myself must match the
- expectations of the other side, too. See */
-
- /* Surf action data */
- surf_action_t surf_comm; /* The Surf communication action encapsulated */
- surf_action_t src_timeout; /* Surf's actions to instrument the timeouts */
- surf_action_t dst_timeout; /* Surf's actions to instrument the timeouts */
- smx_process_t src_proc;
- smx_process_t dst_proc;
- double rate;
- double task_size;
-
- /* Data to be transfered */
- void *src_buff;
- void *dst_buff;
- size_t src_buff_size;
- size_t *dst_buff_size;
- unsigned int copied:1; /* whether the data were already copied */
-
- void* src_data; /* User data associated to communication */
- void* dst_data;
- } comm;
-
- struct {
- smx_host_t host; /* The host that is sleeping */
- surf_action_t surf_sleep; /* The Surf sleeping action encapsulated */
- } sleep;
-
- struct {
- surf_action_t sleep;
- } synchro;
-
- struct {
- smx_host_t host;
- surf_action_t surf_io;
- } io;
- };
-
-#ifdef HAVE_LATENCY_BOUND_TRACKING
- int latency_limited;
-#endif
+XBT_PRIVATE void SIMIX_context_mod_init(void);
+XBT_PRIVATE void SIMIX_context_mod_exit(void);
-#ifdef HAVE_TRACING
- char *category; /* simix action category for instrumentation */
+XBT_PRIVATE smx_context_t SIMIX_context_new(
+ std::function<void()> code,
+ void_pfn_smxprocess_t cleanup_func,
+ smx_process_t simix_process);
+
+#ifndef WIN32
+XBT_PUBLIC_DATA(char sigsegv_stack[SIGSTKSZ]);
#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");
- }
-}
+/* 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. */
+#if HAVE_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_mod_init(void);
-void SIMIX_context_mod_exit(void);
-
-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);
-
-/* ****************************** */
-/* context manipulation functions */
-/* ****************************** */
-
-/* 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
- * 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
- *
- * CASE 2: brutal death
- * SIMIX_process_kill (from any process) set process->iwannadie = 1 and then
- * schedules the process. Then the process is awaken in the middle of the
- * SIMIX_process_yield function, and at the end of it, it checks that
- * iwannadie == 1, and call SIMIX_context_stop(same than first case afterward)
- */
-
-/**
- * \brief creates a new context for a user level process
- * \param code a main function
- * \param argc the number of arguments of the main function
- * \param argv the vector of arguments of the main function
- * \param cleanup_func the function to call when the context stops
- * \param cleanup_arg the argument of the cleanup_func function
- */
-static XBT_INLINE smx_context_t SIMIX_context_new(xbt_main_func_t code,
- int argc, char **argv,
- void_pfn_smxprocess_t cleanup_func,
- smx_process_t simix_process)
+/** @brief Executes all the processes to run (in parallel if possible). */
+static inline void SIMIX_context_runall(void)
{
-
- return simix_global->context_factory->create_context(code,
- argc, argv,
- cleanup_func,
- simix_process);
+ if (!xbt_dynar_is_empty(simix_global->process_to_run))
+ simix_global->context_factory->run_all();
}
-/**
- * \brief destroy a context
- * \param context the context to destroy
- * Argument must be stopped first -- runs in maestro context
- */
-static XBT_INLINE void SIMIX_context_free(smx_context_t context)
+/** @brief returns the current running context */
+static inline smx_context_t SIMIX_context_self(void)
{
- simix_global->context_factory->free(context);
+ if (simix_global && simix_global->context_factory)
+ return simix_global->context_factory->self();
+ else
+ return nullptr;
}
-/**
- * \brief stops the execution of a context
- * \param context to stop
- */
-static XBT_INLINE void SIMIX_context_stop(smx_context_t context)
-{
- simix_global->context_factory->stop(context);
-}
+XBT_PRIVATE void *SIMIX_context_stack_new(void);
+XBT_PRIVATE void SIMIX_context_stack_delete(void *stack);
-/**
- \brief suspends a context and return the control back to the one which
- scheduled it
- \param context the context to be suspended (it must be the running one)
- */
-static XBT_INLINE void SIMIX_context_suspend(smx_context_t context)
-{
- simix_global->context_factory->suspend(context);
-}
+XBT_PRIVATE void SIMIX_context_set_current(smx_context_t context);
+XBT_PRIVATE smx_context_t SIMIX_context_get_current(void);
-/**
- \brief Executes all the processes to run (in parallel if possible).
- */
-static XBT_INLINE void SIMIX_context_runall(void)
-{
- simix_global->context_factory->runall();
-}
+XBT_PUBLIC(int) SIMIX_process_get_maxpid(void);
-/**
- \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();
- }
+XBT_PRIVATE void SIMIX_post_create_environment(void);
- return NULL;
-}
+// FIXME, Dirty hack for SMPI+MSG
+XBT_PRIVATE void SIMIX_process_set_cleanup_function(smx_process_t process, void_pfn_smxprocess_t cleanup);
-/**
- \brief returns the data associated to a context
- \param context The context
- \return The data
- */
-static XBT_INLINE void* SIMIX_context_get_data(smx_context_t context)
-{
- return simix_global->context_factory->get_data(context);
-}
+SG_END_DECL()
-XBT_PUBLIC(int) SIMIX_process_get_maxpid(void);
#endif