X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/33eb0d4ebf462c79d7d121f9628286ddf01be68a..a8ee9ffc2584f27805105408cbed642136f1b677:/src/msg/m_process.c diff --git a/src/msg/m_process.c b/src/msg/m_process.c index 7e71699fee..34afa548a3 100644 --- a/src/msg/m_process.c +++ b/src/msg/m_process.c @@ -1,17 +1,18 @@ /* $Id$ */ - + /* Copyright (c) 2002-2007 Arnaud Legrand. */ /* Copyright (c) 2007 Bruno Donassolo. */ /* 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. */ - + #include "msg/private.h" #include "xbt/sysdep.h" #include "xbt/log.h" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_process, msg, "Logging specific to MSG (process)"); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_process, msg, + "Logging specific to MSG (process)"); /** \defgroup m_process_management Management Functions of Agents * \brief This section describes the agent structure of MSG @@ -36,27 +37,39 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_process, msg, "Logging specific to MSG (proc * \sa MSG_process_create_with_arguments */ m_process_t MSG_process_create(const char *name, - m_process_code_t code, void *data, + xbt_main_func_t code, void *data, m_host_t host) { - return MSG_process_create_with_arguments(name, code, data, host, -1, NULL); + return MSG_process_create_with_arguments(name, code, data, host, -1, + NULL); } -static void MSG_process_cleanup(void *arg) +void __MSG_process_cleanup(void *arg) { - /* arg is a pointer to a simix process, we can get the msg process with the field data */ - m_process_t proc = ((smx_process_t)arg)->data; + /* arg is a pointer to a simix process, we can get the msg process with the field data */ + m_process_t proc = ((smx_process_t) arg)->data; xbt_fifo_remove(msg_global->process_list, proc); - SIMIX_process_cleanup(arg); + SIMIX_process_cleanup(arg); free(proc->name); proc->name = NULL; free(proc->simdata); proc->simdata = NULL; free(proc); - return; + return; +} + +/* This function creates a MSG process. It has the prototype by SIMIX_function_register_process_create */ +void *_MSG_process_create_from_SIMIX(const char *name, + xbt_main_func_t code, void *data, + char *hostname, int argc, char **argv) +{ + m_host_t host = MSG_get_host_by_name(hostname); + return (void *) MSG_process_create_with_arguments(name, code, data, host, + argc, argv); } + /** \ingroup m_process_management * \brief Creates and runs a new #m_process_t. @@ -82,37 +95,31 @@ static void MSG_process_cleanup(void *arg) * \return The new corresponding object. */ - - -m_process_t __MSG_process_create_with_arguments(const char *name, - m_process_code_t code, void *data, - char * hostname, int argc, char **argv) -{ - m_host_t host = MSG_get_host_by_name(hostname); - return MSG_process_create_with_arguments(name,code,data,host,argc,argv); -} - m_process_t MSG_process_create_with_arguments(const char *name, - m_process_code_t code, void *data, - m_host_t host, int argc, char **argv) + xbt_main_func_t code, + void *data, m_host_t host, + int argc, char **argv) { - simdata_process_t simdata = xbt_new0(s_simdata_process_t,1); - m_process_t process = xbt_new0(s_m_process_t,1); + simdata_process_t simdata = xbt_new0(s_simdata_process_t, 1); + m_process_t process = xbt_new0(s_m_process_t, 1); xbt_assert0(((code != NULL) && (host != NULL)), "Invalid parameters"); /* Simulator Data */ simdata->PID = msg_global->PID++; - simdata->waiting_task = NULL; - simdata->host = host; + simdata->waiting_task = NULL; + simdata->m_host = host; simdata->argc = argc; simdata->argv = argv; - simdata->smx_process = SIMIX_process_create(name, (smx_process_code_t)code, (void*)process, host->name, argc, argv, MSG_process_cleanup ); - - if (SIMIX_process_self()) { - simdata->PPID = MSG_process_get_PID(SIMIX_process_self()->data); - } - else simdata->PPID = -1; - simdata->last_errno=MSG_OK; + simdata->s_process = SIMIX_process_create(name, code, + (void *) process, host->name, + argc, argv); + + if (SIMIX_process_self()) { + simdata->PPID = MSG_process_get_PID(SIMIX_process_self()->data); + } else { + simdata->PPID = -1; + } + simdata->last_errno = MSG_OK; /* Process structure */ @@ -120,11 +127,17 @@ m_process_t MSG_process_create_with_arguments(const char *name, process->simdata = simdata; process->data = data; - xbt_fifo_unshift(msg_global->process_list, process); + xbt_fifo_unshift(msg_global->process_list, process); return process; } + +void _MSG_process_kill_from_SIMIX(void *p) +{ + MSG_process_kill((m_process_t) p); +} + /** \ingroup m_process_management * \param process poor victim * @@ -134,22 +147,22 @@ void MSG_process_kill(m_process_t process) { simdata_process_t p_simdata = process->simdata; - DEBUG3("Killing %s(%d) on %s",process->name, p_simdata->PID, p_simdata->host->name); + DEBUG3("Killing %s(%d) on %s", + process->name, p_simdata->PID, p_simdata->m_host->name); - if(p_simdata->waiting_task) { - DEBUG1("Canceling waiting task %s",p_simdata->waiting_task->name); - if(p_simdata->waiting_task->simdata->compute) { - SIMIX_action_cancel(p_simdata->waiting_task->simdata->compute); - } - else if (p_simdata->waiting_task->simdata->comm) { - SIMIX_action_cancel(p_simdata->waiting_task->simdata->comm); - } + if (p_simdata->waiting_task) { + DEBUG1("Canceling waiting task %s", p_simdata->waiting_task->name); + if (p_simdata->waiting_task->simdata->compute) { + SIMIX_action_cancel(p_simdata->waiting_task->simdata->compute); + } else if (p_simdata->waiting_task->simdata->comm) { + SIMIX_action_cancel(p_simdata->waiting_task->simdata->comm); + } } - xbt_fifo_remove(msg_global->process_list,process); - SIMIX_process_kill(process->simdata->smx_process); + xbt_fifo_remove(msg_global->process_list, process); + SIMIX_process_kill(process->simdata->s_process); - return; + return; } /** \ingroup m_process_management @@ -160,7 +173,8 @@ void MSG_process_kill(m_process_t process) */ MSG_error_t MSG_process_change_host(m_process_t process, m_host_t host) { - xbt_die("MSG_process_change_host - not implemented yet - maybe useless function"); + xbt_die + ("MSG_process_change_host - not implemented yet - maybe useless function"); return MSG_OK; } @@ -183,13 +197,13 @@ void *MSG_process_get_data(m_process_t process) * This functions checks whether \a process is a valid pointer or not and set the user data associated to \a process if it is possible. */ -MSG_error_t MSG_process_set_data(m_process_t process,void *data) +MSG_error_t MSG_process_set_data(m_process_t process, void *data) { xbt_assert0((process != NULL), "Invalid parameters"); xbt_assert0((process->data == NULL), "Data already set"); - + process->data = data; - + return MSG_OK; } @@ -202,9 +216,10 @@ MSG_error_t MSG_process_set_data(m_process_t process,void *data) */ m_host_t MSG_process_get_host(m_process_t process) { - xbt_assert0(((process != NULL) && (process->simdata)), "Invalid parameters"); + xbt_assert0(((process != NULL) + && (process->simdata)), "Invalid parameters"); - return (((simdata_process_t) process->simdata)->host); + return (((simdata_process_t) process->simdata)->m_host); } /** \ingroup m_process_management @@ -220,8 +235,9 @@ m_process_t MSG_process_from_PID(int PID) xbt_fifo_item_t i = NULL; m_process_t process = NULL; - xbt_fifo_foreach(msg_global->process_list,i,process,m_process_t) { - if(MSG_process_get_PID(process) == PID) return process; + xbt_fifo_foreach(msg_global->process_list, i, process, m_process_t) { + if (MSG_process_get_PID(process) == PID) + return process; } return NULL; } @@ -237,7 +253,7 @@ int MSG_process_get_PID(m_process_t process) /* Do not raise an exception here: this function is used in the logs, and it will be called back by the exception handling stuff */ if (process == NULL || process->simdata == NULL) - return 0; + return 0; return (((simdata_process_t) process->simdata)->PID); } @@ -251,7 +267,8 @@ int MSG_process_get_PID(m_process_t process) */ int MSG_process_get_PPID(m_process_t process) { - xbt_assert0(((process != NULL) && (process->simdata)), "Invalid parameters"); + xbt_assert0(((process != NULL) + && (process->simdata)), "Invalid parameters"); return (((simdata_process_t) process->simdata)->PPID); } @@ -264,7 +281,8 @@ int MSG_process_get_PPID(m_process_t process) */ const char *MSG_process_get_name(m_process_t process) { - xbt_assert0(((process != NULL) && (process->simdata)), "Invalid parameters"); + xbt_assert0(((process != NULL) + && (process->simdata)), "Invalid parameters"); return (process->name); } @@ -297,13 +315,12 @@ int MSG_process_self_PPID(void) */ m_process_t MSG_process_self(void) { - smx_process_t proc = SIMIX_process_self(); - if (proc != NULL) { - return (m_process_t)proc->data; - } - else { - return NULL; - } + smx_process_t proc = SIMIX_process_self(); + if (proc != NULL) { + return (m_process_t) proc->data; + } else { + return NULL; + } } @@ -315,10 +332,11 @@ m_process_t MSG_process_self(void) */ MSG_error_t MSG_process_suspend(m_process_t process) { - xbt_assert0(((process != NULL) && (process->simdata)), "Invalid parameters"); + xbt_assert0(((process != NULL) + && (process->simdata)), "Invalid parameters"); CHECK_HOST(); - SIMIX_process_suspend(process->simdata->smx_process); + SIMIX_process_suspend(process->simdata->s_process); MSG_RETURN(MSG_OK); } @@ -331,10 +349,11 @@ MSG_error_t MSG_process_suspend(m_process_t process) MSG_error_t MSG_process_resume(m_process_t process) { - xbt_assert0(((process != NULL) && (process->simdata)), "Invalid parameters"); + xbt_assert0(((process != NULL) + && (process->simdata)), "Invalid parameters"); CHECK_HOST(); - SIMIX_process_resume(process->simdata->smx_process); + SIMIX_process_resume(process->simdata->s_process); MSG_RETURN(MSG_OK); } @@ -346,7 +365,7 @@ MSG_error_t MSG_process_resume(m_process_t process) */ int MSG_process_is_suspended(m_process_t process) { - xbt_assert0(((process != NULL) && (process->simdata)), "Invalid parameters"); - return SIMIX_process_is_suspended(process->simdata->smx_process); + xbt_assert0(((process != NULL) + && (process->simdata)), "Invalid parameters"); + return SIMIX_process_is_suspended(process->simdata->s_process); } -