X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ee6ffc12bf5523e4d2d2193138c791d991ec0ae4..81588aeededcff1407c760226b43f347eb832b39:/src/simix/smx_private.h diff --git a/src/simix/smx_private.h b/src/simix/smx_private.h index f161b9a23a..d0384513a9 100644 --- a/src/simix/smx_private.h +++ b/src/simix/smx_private.h @@ -7,6 +7,7 @@ #ifndef _SIMIX_PRIVATE_H #define _SIMIX_PRIVATE_H +#include "src/internal_config.h" #include "simgrid/simix.h" #include "surf/surf.h" #include "xbt/base.h" @@ -26,6 +27,8 @@ #include "popping_private.h" #include "smx_synchro_private.h" +#include + #ifdef __cplusplus #include @@ -33,13 +36,15 @@ namespace simgrid { namespace simix { -/* Hack: let msg load directly the right factory - * - * This is a factory of factory! How nice is this? - */ +/* 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(); + } } @@ -53,16 +58,6 @@ typedef struct s_smx_context_factory *smx_context_factory_t; SG_BEGIN_DECL() -/* Define only for SimGrid benchmarking purposes */ -//#define TIME_BENCH_PER_SR /* this aims at measuring the time spent in each scheduling round per each thread. The code is thus run in sequential to bench separately each SSR */ -//#define TIME_BENCH_AMDAHL /* this aims at measuring the porting of time that could be parallelized at maximum (to get the optimal speedup by applying the amdahl law). */ -//#define ADAPTIVE_THRESHOLD /* this is to enable the adaptive threshold algorithm in raw contexts*/ -//#define TIME_BENCH_ENTIRE_SRS /* more general benchmark than TIME_BENCH_PER_SR. It aims to measure the total time spent in a whole scheduling round (including synchro costs)*/ - -#ifdef TIME_BENCH_PER_SR -XBT_PRIVATE void smx_ctx_raw_new_sr(void); -#endif - /********************************** Simix Global ******************************/ typedef struct s_smx_global { smx_context_factory_t context_factory; @@ -76,13 +71,6 @@ typedef struct s_smx_global { void_pfn_smxprocess_t kill_process_function; /** Callback used when killing a SMX_process */ void_pfn_smxprocess_t cleanup_process_function; - xbt_mallocator_t synchro_mallocator; - void_pfn_sghost_t autorestart; - -#ifdef TIME_BENCH_AMDAHL - xbt_os_timer_t timer_seq; /* used to bench the sequential and parallel parts of the simulation, if requested to */ - xbt_os_timer_t timer_par; -#endif xbt_os_mutex_t mutex; } s_smx_global_t, *smx_global_t; @@ -101,119 +89,20 @@ XBT_PUBLIC(void) SIMIX_clean(void); _smx_throw_issuer->doexception = 1; \ } 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; -/********************************* 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 { - sg_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 { - sg_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 { - sg_host_t host; - surf_action_t surf_io; - } io; - }; - -#ifdef HAVE_LATENCY_BOUND_TRACKING - int latency_limited; -#endif - - char *category; /* simix action category for instrumentation */ -} s_smx_synchro_t; - XBT_PRIVATE void SIMIX_context_mod_init(void); XBT_PRIVATE void SIMIX_context_mod_exit(void); +XBT_PRIVATE 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); + #ifndef WIN32 XBT_PUBLIC_DATA(char sigsegv_stack[SIGSTKSZ]); #endif @@ -221,30 +110,41 @@ XBT_PUBLIC_DATA(char sigsegv_stack[SIGSTKSZ]); /* 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 +#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 +/** @brief Executes all the processes to run (in parallel if possible). */ +static inline void SIMIX_context_runall(void) +{ + if (!xbt_dynar_is_empty(simix_global->process_to_run)) + simix_global->context_factory->run_all(); +} + +/** @brief returns the current running context */ +static inline smx_context_t SIMIX_context_self(void) +{ + if (simix_global && simix_global->context_factory) + return simix_global->context_factory->self(); + else + return nullptr; +} + XBT_PRIVATE void *SIMIX_context_stack_new(void); XBT_PRIVATE void SIMIX_context_stack_delete(void *stack); XBT_PRIVATE void SIMIX_context_set_current(smx_context_t context); XBT_PRIVATE smx_context_t SIMIX_context_get_current(void); -/* ****************************** */ -/* context manipulation functions */ -/* ****************************** */ - XBT_PUBLIC(int) SIMIX_process_get_maxpid(void); XBT_PRIVATE void SIMIX_post_create_environment(void); // FIXME, Dirty hack for SMPI+MSG -XBT_PRIVATE void SIMIX_process_set_cleanup_function( - smx_process_t process, void_pfn_smxprocess_t cleanup); +XBT_PRIVATE void SIMIX_process_set_cleanup_function(smx_process_t process, void_pfn_smxprocess_t cleanup); SG_END_DECL()