--- /dev/null
+/* 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 SMX_MAILBOX_H
+#define SMX_MAILBOX_H
+
+#include "xbt/fifo.h"
+#include "simix/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);
+
+/* \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_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(m_host_t host, m_channel_t channel);
+
+/*! \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_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(m_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,
+ m_host_t host);
+
+
+SG_END_DECL()
+#endif /* !SMX_MAILBOX_H */