-/*********************************** Time ************************************/
-
-/** @brief Timer datatype */
-typedef struct s_smx_timer {
- double date;
- void* func;
- void* args;
-} s_smx_timer_t;
-
-/********************************* synchro *************************************/
-
-typedef enum {
- SIMIX_SYNC_EXECUTE,
- SIMIX_SYNC_PARALLEL_EXECUTE,
- SIMIX_SYNC_COMMUNICATE,
- SIMIX_SYNC_JOIN,
- SIMIX_SYNC_SLEEP,
- SIMIX_SYNC_SYNCHRO,
- SIMIX_SYNC_IO,
-} e_smx_synchro_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 synchro datatype */
-typedef struct s_smx_synchro {
-
- e_smx_synchro_type_t type; /* Type of SIMIX synchro */
- e_smx_state_t state; /* State of the synchro */
- char *name; /* synchro name if any */
- xbt_fifo_t simcalls; /* List of simcalls waiting for this synchro */
-
- /* Data specific to each synchro 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 */
-
-#ifdef HAVE_MC
- smx_rdv_t rdv_cpy; /* Copy of the rendez-vous where the comm is queued, MC needs it for DPOR
- (comm.rdv set to NULL when the communication is removed from the mailbox
- (used as garbage collector)) */
-#endif
- 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_synchro_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 */
- void (*copy_data_fun) (smx_synchro_t, void*, size_t);
-
- /* 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 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
-
-#ifdef HAVE_TRACING
- char *category; /* simix action category for instrumentation */
-#endif
-} s_smx_synchro_t;
-
-void SIMIX_context_mod_init(void);
-void SIMIX_context_mod_exit(void);
-
-#ifndef WIN32
-XBT_PUBLIC_DATA(char sigsegv_stack[SIGSTKSZ]);
-#endif
-
-/* 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. */
-#ifdef HAVE_VALGRIND_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_stack_new(void);
-void SIMIX_context_stack_delete(void *stack);
-
-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)
-{
- if (!simix_global)
- xbt_die("simix is not initialized, please call MSG_init first");
- return simix_global->context_factory->create_context(code,
- argc, argv,
- cleanup_func,
- simix_process);
-}
-
-/**
- * \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)
-{
- simix_global->context_factory->free(context);
-}
-
-/**
- * \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);
-}
-
-/**
- \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);
-}
-
-/**
- \brief Executes all the processes to run (in parallel if possible).
- */
-static XBT_INLINE void SIMIX_context_runall(void)
-{
- if (!xbt_dynar_is_empty(simix_global->process_to_run)) {
- simix_global->context_factory->runall();
- }
-}
-
-/**
- \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();
- }
- return NULL;
-}
-
-/**
- \brief returns the SIMIX process associated to a context
- \param context The context
- \return The SIMIX process
- */
-static XBT_INLINE smx_process_t SIMIX_context_get_process(smx_context_t context)
-{
- return simix_global->context_factory->get_process(context);
-}
-
-XBT_PUBLIC(int) SIMIX_process_get_maxpid(void);