X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/648ef671efa341346c38df5f27d10a530119108f..585c03575926272c32a21202ef0552589aafaa51:/src/msg/msg_mailbox.h diff --git a/src/msg/msg_mailbox.h b/src/msg/msg_mailbox.h index 9534f04152..f587002dcc 100644 --- a/src/msg/msg_mailbox.h +++ b/src/msg/msg_mailbox.h @@ -1,253 +1,129 @@ -#ifndef SMX_MAILBOX_H -#define SMX_MAILBOX_H - -#include "xbt/fifo.h" -#include "simix/private.h" -#include "msg/datatypes.h" - -SG_BEGIN_DECL() - -#define MAX_ALIAS_NAME ((size_t)260) - -/* forward declaration */ -typedef struct s_msg_mailbox* msg_mailbox_t; - -/* - * Initialization of the mailbox module. - */ -void -MSG_mailbox_mod_init(void); - -/* - * Terminaison of the mailbox module. - */ -void -MSG_mailbox_mod_exit(void); - - -/*! \brief MSG_mailbox_new - create a new mailbox. - * - * The function MSG_mailbox_new creates a new mailbox identified by the key specified - * by the parameter alias and add it in the global dictionary. - * - * \param alias The alias of the mailbox to create. - * - * \return The newly created mailbox. - */ -msg_mailbox_t -MSG_mailbox_new(const char *alias); - -/*! \brief MSG_mailbox_create - create a new mailbox. - * - * The function MSG_mailbox_new creates a new mailbox identified by the key specified - * by the parameter alias and add it in the global dictionary but doesn't add it in - * the global dictionary. Typicaly, this type of mailbox is associated with a channel. - * - * \param alias The alias of the mailbox to create. - * - * \return The newly created mailbox. - */ -msg_mailbox_t -MSG_mailbox_create(const char *alias); - -/* \brief MSG_mailbox_free - release a mailbox from the memory. - * - * The function MSG_mailbox_free release a mailbox from the memory but does - * not remove it from the dictionary. - * - * \param mailbox The mailbox to release. - * - * \see MSG_mailbox_destroy. - */ -void -MSG_mailbox_free(void* mailbox); - -/* \brief MSG_mailbox_get_by_alias - get a mailbox from its alias. - * - * The function MSG_mailbox_get_by_alias returns the mailbox associated with - * the key specified by the parameter alias. If the mailbox does not exists, - * the function create it. - * - * \param alias The alias of the mailbox to return. - * - * \return The mailbox associated with the alias specified as parameter - * or a new mailbox if the key does not match. - */ -msg_mailbox_t -MSG_mailbox_get_by_alias(const char* alias); - -/* \brief MSG_mailbox_get_by_channel - get a mailbox of the specified host from its channel. - * - * The function MSG_mailbox_get_by_channel returns the mailbox of the specified host - * from the channel specified by the parameter channel. If the mailbox does not exists, - * the function fails. - * - * \param host The host containing he mailbox to get. - * \param channel The channel used to identify the mailbox. - * - * \return The mailbox of the specified host associated the channel specified as parameter. - * - */ -msg_mailbox_t -MSG_mailbox_get_by_channel(m_host_t host, m_channel_t channel); - -/*! \brief MSG_mailbox_get_alias - get the alias associated with the mailbox. - * - * The function MSG_mailbox_get_alias returns the alias of the mailbox specified - * by the parameter mailbox. - * - * \param mailbox The mailbox to get the alias. - * - * \return The alias of the mailbox specified by the parameter mailbox. - */ -const char* -MSG_mailbox_get_alias(msg_mailbox_t mailbox); - -/*! \brief MSG_mailbox_get_cond - get the simix condition of a mailbox. - * - * The function MSG_mailbox_get_cond returns the condition of the mailbox specified - * by the parameter mailbox. - * - * \param mailbox The mailbox to get the condition. - * - * \return The simix condition of the mailbox specified by the parameter mailbox. - */ -smx_cond_t -MSG_mailbox_get_cond(msg_mailbox_t mailbox); - -/*! \brief MSG_mailbox_set_cond - set the simix condition of a mailbox. - * - * The function MSG_mailbox_set_cond set the condition of the mailbox specified - * by the parameter mailbox. - * - * \param mailbox The mailbox to set the condition. - * \param cond The new simix condition of the mailbox. - * - */ -void -MSG_mailbox_set_cond(msg_mailbox_t mailbox, smx_cond_t cond); - -/*! \brief MSG_mailbox_get_hostname - get the name of the host owned a mailbox. - * - * The function MSG_mailbox_get_hostname returns name of the host owned the mailbox specified - * by the parameter mailbox. - * - * \param mailbox The mailbox to get the name of the host. - * - * \return The name of the host owned the mailbox specified by the parameter mailbox. - */ -const char* -MSG_mailbox_get_hostname(msg_mailbox_t mailbox); - -/*! \brief MSG_mailbox_set_hostname - set the name of the host owned a mailbox. - * - * The function MSG_mailbox_set_hostname sets the name of the host owned the mailbox specified - * by the parameter mailbox. - * - * \param mailbox The mailbox to set the name of the host. - * \param hostname The name of the owner of the mailbox. - * - */ -void -MSG_mailbox_set_hostname(msg_mailbox_t mailbox, const char* hostname); - - -/*! \brief MSG_mailbox_is_empty - test if a mailbox is empty. - * - * The function MSG_mailbox_is_empty tests if a mailbox is empty (contains no msg task). - * - * \param mailbox The mailbox to get test. - * - * \return The function returns 1 if the mailbox is empty. Otherwise the function - * returns 0. - */ -int -MSG_mailbox_is_empty(msg_mailbox_t mailbox); - -/*! \brief MSG_mailbox_put - put a task in a mailbox. - * - * The MSG_mailbox_put puts a task in a specified mailbox. - * - * \param mailbox The mailbox where put the task. - * \param task The task to put in the mailbox. - */ -void -MSG_mailbox_put(msg_mailbox_t mailbox, m_task_t task); - -/*! \brief MSG_mailbox_remove - remove a task from a mailbox. - * - * The MSG_mailbox_remove removes a task from a specified mailbox. - * - * \param mailbox The mailbox concerned by this operation. - * \param task The task to remove from the mailbox. - */ -void -MSG_mailbox_remove(msg_mailbox_t mailbox, m_task_t task); - -/*! \brief MSG_mailbox_get_head - get the task at the head of a mailbox. - * - * The MSG_mailbox_get_head returns the task at the head of the mailbox. - * This function does not remove the task from the mailbox (contrary to - * the function MSG_mailbox_pop_head). - * - * \param mailbox The mailbox concerned by the operation. - * - * \return The task at the head of the mailbox. - */ -m_task_t -MSG_mailbox_get_head(msg_mailbox_t mailbox); - -/*! \brief MSG_mailbox_pop_head - get the task at the head of a mailbox - * and remove it from it. - * - * The MSG_mailbox_pop_head returns the task at the head of the mailbox - * and remove it from it. - * - * \param mailbox The mailbox concerned by the operation. - * - * \return The task at the head of the mailbox. - */ -m_task_t -MSG_mailbox_pop_head(msg_mailbox_t mailbox); - -/*! \brief MSG_mailbox_get_first_host_task - get the first msg task - * of a specified mailbox, sended by a process of a specified host. - * - * \param mailbox The mailbox concerned by the operation. - * \param host The msg host of the process that has sended the - * task. - * - * \return The first task in the mailbox specified by the - * parameter mailbox and sended by a process located - * on the host specified by the parameter host. - */ -m_task_t -MSG_mailbox_get_first_host_task(msg_mailbox_t mailbox, m_host_t host); - -/*! \brief MSG_mailbox_get_count_host_waiting_tasks - Return the number of tasks - waiting to be received in a mailbox and sent by a host. - * - * \param mailbox The mailbox concerned by the operation. - * \param host The msg host containing the processes that have sended the - * tasks. - * - * \return The number of tasks in the mailbox specified by the - * parameter mailbox and sended by all the processes located - * on the host specified by the parameter host. - */ -int -MSG_mailbox_get_count_host_waiting_tasks(msg_mailbox_t mailbox, m_host_t host); - - -MSG_error_t -MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, m_task_t* task, m_host_t host, double timeout); - - -MSG_error_t -MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, m_task_t task, double timeout); - -SG_END_DECL() - - -#endif /* !SMX_MAILBOX_H */ - +/* Copyright (c) 2008, 2009, 2010. The SimGrid Team. + * 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. */ + +#ifndef MSG_MAILBOX_H +#define MSG_MAILBOX_H + +#include "xbt/fifo.h" +#include "simgrid/simix.h" +#include "msg/datatypes.h" + + +SG_BEGIN_DECL() +#define MAX_ALIAS_NAME ((size_t)260) + +/*! \brief MSG_mailbox_new - create a new mailbox. + * + * The function MSG_mailbox_new creates a new mailbox identified by the key specified + * by the parameter alias and add it in the global dictionary. + * + * \param alias The alias of the mailbox to create. + * + * \return The newly created mailbox. + */ +XBT_PUBLIC(msg_mailbox_t) + MSG_mailbox_new(const char *alias); + +void MSG_mailbox_free(void *mailbox); + +/* \brief MSG_mailbox_free - release a mailbox from the memory. + * + * The function MSG_mailbox_free release a mailbox from the memory but does + * not remove it from the dictionary. + * + * \param mailbox The mailbox to release. + * + * \see MSG_mailbox_destroy. + */ +void MSG_mailbox_free(void *mailbox); + +/* \brief MSG_mailbox_get_by_alias - get a mailbox from its alias. + * + * The function MSG_mailbox_get_by_alias returns the mailbox associated with + * the key specified by the parameter alias. If the mailbox does not exists, + * the function create it. + * + * \param alias The alias of the mailbox to return. + * + * \return The mailbox associated with the alias specified as parameter + * or a new mailbox if the key does not match. + */ +XBT_PUBLIC(msg_mailbox_t) + MSG_mailbox_get_by_alias(const char *alias); + +/*! \brief MSG_mailbox_is_empty - test if a mailbox is empty. + * + * The function MSG_mailbox_is_empty tests if a mailbox is empty + * (contains no msg task). + * + * \param mailbox The mailbox to get test. + * + * \return The function returns 1 if the mailbox is empty. Otherwise the function + * returns 0. + */ +XBT_PUBLIC(int) MSG_mailbox_is_empty(msg_mailbox_t mailbox); + +/* \brief MSG_mailbox_set_async - set a mailbox as eager + * + * The function MSG_mailbox_set_async sets the mailbox to a permanent receiver mode + * Messages sent to this mailbox will then be sent just after the send is issued, + * without waiting for the corresponding receive. + * + * This call should be done before issuing any receive, and on the receiver's side only + * + * \param alias The alias of the mailbox to modify. + * + */ +XBT_PUBLIC(void) MSG_mailbox_set_async(const char *alias); + +/*! \brief MSG_mailbox_get_head - get the task at the head of a mailbox. + * + * The MSG_mailbox_get_head returns the task at the head of the mailbox. + * This function does not remove the task from the mailbox (contrary to + * the function MSG_mailbox_pop_head). + * + * \param mailbox The mailbox concerned by the operation. + * + * \return The task at the head of the mailbox. + */ +XBT_PUBLIC(msg_task_t) + MSG_mailbox_get_head(msg_mailbox_t mailbox); + +/*! \brief MSG_mailbox_get_count_host_waiting_tasks - Return the number of tasks + waiting to be received in a mailbox and sent by a host. + * + * \param mailbox The mailbox concerned by the operation. + * \param host The msg host containing the processes that have sended the + * tasks. + * + * \return The number of tasks in the mailbox specified by the + * parameter mailbox and sended by all the processes located + * on the host specified by the parameter host. + */ +XBT_PUBLIC(int) +MSG_mailbox_get_count_host_waiting_tasks(msg_mailbox_t mailbox, + msg_host_t host); + +#ifdef MSG_USE_DEPRECATED +/* \brief MSG_mailbox_get_by_channel - get a mailbox of the specified host from its channel. + * + * The function MSG_mailbox_get_by_channel returns the mailbox of the + * specified host from the channel specified by the parameter + * channel. If the mailbox does not exists, the function fails. + * + * \param host The host containing he mailbox to get. + * \param channel The channel used to identify the mailbox. + * + * \return The mailbox of the specified host associated the channel + * specified as parameter. + * + */ +XBT_PUBLIC(msg_mailbox_t) + MSG_mailbox_get_by_channel(msg_host_t host, m_channel_t channel); +#endif + +SG_END_DECL() +#endif /* !MSG_MAILBOX_H */