-/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2004-2011. 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. */
#include "xbt/log.h"
#include "xbt/sysdep.h"
-
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_gos, msg,
"Logging specific to MSG (gos)");
listening. This value has to be >=0 and < than the maximal
number of channels fixed with MSG_set_channel_number().
* \param host the host that is to be watched.
- * \return #MSG_FATAL if \a task is equal to \c NULL, #MSG_WARNING
- if \a *task is not equal to \c NULL, and #MSG_OK otherwise.
+ * \return a #MSG_error_t indicating whether the operation was successful (#MSG_OK), or why it failed otherwise.
*/
MSG_error_t
MSG_task_get_from_host(m_task_t * task, m_channel_t channel, m_host_t host)
* \param channel the channel on which the agent should be
listening. This value has to be >=0 and < than the maximal
number of channels fixed with MSG_set_channel_number().
- * \return #MSG_FATAL if \a task is equal to \c NULL, #MSG_WARNING
- * if \a *task is not equal to \c NULL, and #MSG_OK otherwise.
+ * \return a #MSG_error_t indicating whether the operation was successful (#MSG_OK), or why it failed otherwise.
*/
MSG_error_t MSG_task_get(m_task_t * task, m_channel_t channel)
{
up. In such a case, #MSG_TRANSFER_FAILURE will be returned, \a task
will not be modified and will still be
equal to \c NULL when returning.
- * \return #MSG_FATAL if \a task is equal to \c NULL, #MSG_WARNING
- if \a *task is not equal to \c NULL, and #MSG_OK otherwise.
+ * \return a #MSG_error_t indicating whether the operation was successful (#MSG_OK), or why it failed otherwise.
*/
MSG_error_t
MSG_task_get_with_timeout(m_task_t * task, m_channel_t channel,
comm->status = MSG_OK;
comm->s_comm =
SIMIX_req_comm_isend(mailbox, t_simdata->message_size,
- t_simdata->rate, task, sizeof(void *), match_fun, match_data, 0);
+ t_simdata->rate, task, sizeof(void *), match_fun, NULL, match_data, 0);
t_simdata->comm = comm->s_comm; /* FIXME: is the field t_simdata->comm still useful? */
return comm;
* \param task a #m_task_t to send on another location.
* \param alias name of the mailbox to sent the task to
* \param cleanup a function to destroy the task if the
- * communication fails (if NULL, MSG_task_destroy() will
- * be used by default)
+ * communication fails, e.g. MSG_task_destroy
+ * (if NULL, no function will be called)
*/
void MSG_task_dsend(m_task_t task, const char *alias, void_f_pvoid_t cleanup)
{
CHECK_HOST();
- if (cleanup == NULL) {
- cleanup = (void_f_pvoid_t) MSG_task_destroy;
- }
-
/* FIXME: these functions are not traceable */
/* Prepare the task to send */
msg_global->sent_msg++;
/* Send it by calling SIMIX network layer */
- SIMIX_req_comm_isend(mailbox, t_simdata->message_size,
- t_simdata->rate, task, sizeof(void *), NULL, cleanup, 1);
+ smx_action_t comm = SIMIX_req_comm_isend(mailbox, t_simdata->message_size,
+ t_simdata->rate, task, sizeof(void *), NULL, cleanup, NULL, 1);
+ t_simdata->comm = comm;
}
/** \ingroup msg_gos_functions
if (*task)
XBT_CRITICAL
- ("MSG_task_get() was asked to write in a non empty task struct.");
+ ("MSG_task_irecv() was asked to write in a non empty task struct.");
/* Try to receive it by calling SIMIX network layer */
msg_comm_t comm = xbt_new0(s_msg_comm_t, 1);
int finished = 0;
TRY {
finished = SIMIX_req_comm_test(comm->s_comm);
+
+ if (finished && comm->task_received != NULL) {
+ /* I am the receiver */
+ (*comm->task_received)->simdata->isused = 0;
+ }
}
CATCH(e) {
switch (e.category) {
comm = xbt_dynar_get_as(comms, finished_index, msg_comm_t);
/* the communication is finished */
comm->status = status;
+
+ if (status == MSG_OK && comm->task_received != NULL) {
+ /* I am the receiver */
+ (*comm->task_received)->simdata->isused = 0;
+ }
}
return finished_index;
*/
void MSG_comm_destroy(msg_comm_t comm)
{
- if (comm->task_received != NULL
- && *comm->task_received != NULL
- && MSG_comm_get_status(comm) == MSG_OK) {
- (*comm->task_received)->simdata->isused = 0;
- }
-
xbt_free(comm);
}
/* the communication is finished */
comm->status = status;
+ if (comm->task_received != NULL) {
+ /* I am the receiver */
+ (*comm->task_received)->simdata->isused = 0;
+ }
+
return finished_index;
}
return comm->task_received ? *comm->task_received : comm->task_sent;
}
+/**
+ * \brief This function is called by SIMIX to copy the data of a comm.
+ * \param comm the comm
+ * \param buff the data copied
+ * \param buff_size size of the buffer
+ */
+void MSG_comm_copy_data_from_SIMIX(smx_action_t comm, void* buff, size_t buff_size) {
+
+ // copy the task
+ SIMIX_comm_copy_pointer_callback(comm, buff, buff_size);
+
+ // notify the user callback if any
+ if (msg_global->task_copy_callback) {
+ m_task_t task = buff;
+ msg_global->task_copy_callback(task,
+ SIMIX_req_comm_get_src_proc(comm), SIMIX_req_comm_get_dst_proc(comm));
+ }
+}
+
/** \ingroup msg_gos_functions
* \brief Put a task on a channel of an host and waits for the end of the
* transmission.
* \param channel the channel on which the agent should put this
task. This value has to be >=0 and < than the maximal number of
channels fixed with MSG_set_channel_number().
- * \return #MSG_FATAL if \a task is not properly initialized and
- * #MSG_OK otherwise. Returns #MSG_HOST_FAILURE if the host on which
- * this function was called was shut down. Returns
+ * \return #MSG_HOST_FAILURE if the host on which
+ * this function was called was shut down,
* #MSG_TRANSFER_FAILURE if the transfer could not be properly done
- * (network failure, dest failure)
+ * (network failure, dest failure) or #MSG_OK if it succeeded.
*/
MSG_error_t MSG_task_put(m_task_t task, m_host_t dest, m_channel_t channel)
{
* \param timeout the maximum time to wait for a task before giving
up. In such a case, #MSG_TRANSFER_FAILURE will be returned, \a task
will not be modified
- * \return #MSG_FATAL if \a task is not properly initialized and
-#MSG_OK otherwise. Returns #MSG_HOST_FAILURE if the host on which
-this function was called was shut down. Returns
+ * \return #MSG_HOST_FAILURE if the host on which
+this function was called was shut down,
#MSG_TRANSFER_FAILURE if the transfer could not be properly done
-(network failure, dest failure, timeout...)
+(network failure, dest failure, timeout...) or #MSG_OK if the communication succeeded.
*/
MSG_error_t
MSG_task_put_with_timeout(m_task_t task, m_host_t dest,
