smx_global.cpp File Reference

#include <functional>
#include <memory>
#include <signal.h>
#include <stdlib.h>
#include "src/internal_config.h"
#include <xbt/functional.hpp>
#include <simgrid/s4u/host.hpp>
#include "src/surf/surf_interface.hpp"
#include "src/surf/storage_interface.hpp"
#include "src/surf/xml/platf.hpp"
#include "smx_private.h"
#include "xbt/str.h"
#include "xbt/ex.h"
#include "mc/mc.h"
#include "src/mc/mc_replay.h"
#include "simgrid/sg_config.h"
#include "src/kernel/activity/SynchroExec.hpp"
#include "src/kernel/activity/SynchroComm.hpp"
#include "src/kernel/activity/SynchroSleep.hpp"
#include "src/kernel/activity/SynchroIo.hpp"
#include "src/kernel/activity/SynchroRaw.hpp"
#include "src/mc/mc_record.h"

Classes
struct	s_smx_timer
	Timer datatype. More...

Namespaces
	simgrid
	Host datatype from SIMIX POV.
	simgrid::simix

Typedefs
typedef struct s_smx_timer	s_smx_timer_t
	Timer datatype. More...

Functions
	XBT_LOG_NEW_CATEGORY (simix, "All SIMIX categories")
	XBT_LOG_NEW_DEFAULT_SUBCATEGORY (simix_kernel, simix, "Logging specific to SIMIX (kernel)")
static void	inthandler (int ignored)
static void	segvhandler (int signum, siginfo_t *siginfo, void *context)
static void	install_segvhandler ()
	Install signal handler for SIGSEGV. More...
double	SIMIX_timer_next ()
static void	kill_process (smx_actor_t process)
void	simgrid::simix::set_maestro (std::function< void()> code)
void	SIMIX_set_maestro (void(*code)(void *), void *data)
void	SIMIX_global_init (int *argc, char **argv)
	Initialize SIMIX internal data. More...
void	SIMIX_clean ()
	Clean the SIMIX simulation. More...
double	SIMIX_get_clock ()
	A clock (in second). More...
static int	process_syscall_color (void *p)
static void	SIMIX_wake_processes ()
	Wake up all processes waiting for a Surf action to finish. More...
static bool	SIMIX_execute_timers ()
	Handle any pending timer. More...
static bool	SIMIX_execute_tasks ()
	Execute all the tasks that are queued. More...
void	SIMIX_run ()
	Run the main simulation loop. More...
smx_timer_t	SIMIX_timer_set (double date, void(*callback)(void *), void *arg)
	Set the date to execute a function. More...
smx_timer_t	SIMIX_timer_set (double date, simgrid::xbt::Task< void()> callback)
void	SIMIX_timer_remove (smx_timer_t timer)
	cancels a timer that was added earlier More...
double	SIMIX_timer_get_date (smx_timer_t timer)
	Returns the date at which the timer will trigger (or 0 if nullptr timer) More...
void	SIMIX_function_register_process_create (smx_creation_func_t function)
	Registers a function to create a process. More...
void	SIMIX_function_register_process_kill (void_pfn_smxprocess_t function)
	Registers a function to kill a process. More...
void	SIMIX_function_register_process_cleanup (void_pfn_smxprocess_t function)
	Registers a function to cleanup a process. More...
void	SIMIX_display_process_status ()
int	SIMIX_is_maestro ()

Variables
std::unique_ptr< simgrid::simix::Global >	simix_global
static xbt_heap_t	simix_timers = nullptr
void(*	SMPI_switch_data_segment )(int) = nullptr
int	_sg_do_verbose_exit = 1
char	sigsegv_stack [SIGSTKSZ]
static std::function< void()>	maestro_code
int	smx_cleaned = 0

Typedef Documentation

s_smx_timer_t

typedef struct s_smx_timer s_smx_timer_t

Timer datatype.

Function Documentation

XBT_LOG_NEW_CATEGORY()

XBT_LOG_NEW_CATEGORY	(	simix	,
		"All SIMIX categories"
	)

XBT_LOG_NEW_DEFAULT_SUBCATEGORY()

XBT_LOG_NEW_DEFAULT_SUBCATEGORY	(	simix_kernel	,
		simix	,
		"Logging specific to SIMIX (kernel)"
	)

inthandler()

static void inthandler ( int  ignored )

static

segvhandler()

static void segvhandler ( int  signum, siginfo_t *  siginfo, void *  context  )

static

install_segvhandler()

static void install_segvhandler ( )

static

Install signal handler for SIGSEGV.

Check that nobody has already installed its own handler. For example, the Java VM does this.

SIMIX_timer_next()

double SIMIX_timer_next

(

)

kill_process()

static void kill_process ( smx_actor_t  process )

static

SIMIX_set_maestro()

void SIMIX_set_maestro	(	void(*)(void *)	code,
		void *	data
	)

process_syscall_color()

static int process_syscall_color ( void *  p )

static

SIMIX_wake_processes()

static void SIMIX_wake_processes ( )

static

Wake up all processes waiting for a Surf action to finish.

SIMIX_execute_timers()

static bool SIMIX_execute_timers ( )

static

Handle any pending timer.

SIMIX_execute_tasks()

static bool SIMIX_execute_tasks ( )

static

Execute all the tasks that are queued.

e.g. .then() callbacks of futures.

SIMIX_timer_set() [1/2]

smx_timer_t SIMIX_timer_set	(	double	date,
		void(*)(void *)	callback,
		void *	arg
	)

Set the date to execute a function.

Set the date to execute the function on the surf.

Parameters

date	Date to execute function
callback	Function to be executed
arg	Parameters of the function

SIMIX_timer_set() [2/2]

smx_timer_t SIMIX_timer_set	(	double	date,
		simgrid::xbt::Task< void()>	callback
	)

SIMIX_timer_remove()

void SIMIX_timer_remove

(

smx_timer_t

timer

)

cancels a timer that was added earlier

SIMIX_timer_get_date()

double SIMIX_timer_get_date

(

smx_timer_t

timer

)

Returns the date at which the timer will trigger (or 0 if nullptr timer)

SIMIX_function_register_process_create()

void SIMIX_function_register_process_create

(

smx_creation_func_t

function

)

Registers a function to create a process.

This function registers a function to be called when a new process is created. The function has to call SIMIX_process_create().

Parameters

function

create process function

SIMIX_function_register_process_kill()

void SIMIX_function_register_process_kill

(

void_pfn_smxprocess_t

function

)

Registers a function to kill a process.

This function registers a function to be called when a process is killed. The function has to call the SIMIX_process_kill().

Parameters

function

Kill process function

SIMIX_function_register_process_cleanup()

void SIMIX_function_register_process_cleanup

(

void_pfn_smxprocess_t

function

)

Registers a function to cleanup a process.

This function registers a user function to be called when a process ends properly.

Parameters

function

cleanup process function

SIMIX_display_process_status()

void SIMIX_display_process_status

(

)

SIMIX_is_maestro()

int SIMIX_is_maestro

(

)

Variable Documentation

simix_global

std::unique_ptr<simgrid::simix::Global> simix_global

simix_timers

xbt_heap_t simix_timers = nullptr

static

SMPI_switch_data_segment

void(* SMPI_switch_data_segment) (int) = nullptr

_sg_do_verbose_exit

int _sg_do_verbose_exit = 1

sigsegv_stack

char sigsegv_stack[SIGSTKSZ]

maestro_code

std::function<void()> maestro_code

static

smx_cleaned

int smx_cleaned = 0