-/* Copyright (c) 2004-2012. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2004-2013. 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. */
*/
msg_error_t MSG_process_sleep(double nb_sec)
{
+ xbt_ex_t e;
msg_error_t status = MSG_OK;
/*msg_process_t proc = MSG_process_self();*/
proc->simdata->waiting_action = NULL;*/
- simcall_process_sleep(nb_sec);
+ TRY {
+ simcall_process_sleep(nb_sec);
+ }
+ CATCH(e) {
+ switch (e.category) {
+ case cancel_error:
+ status = MSG_TASK_CANCELED;
+ break;
+ default:
+ RETHROW;
+ }
+ xbt_ex_free(e);
+ }
#ifdef HAVE_TRACING
TRACE_msg_process_sleep_out(MSG_process_self());
return MSG_task_receive_ext(task, alias, -1, host);
}
+/** msg_task_usage
+ *\brief Deprecated function that used to receive a task from a mailbox from a specific host
+ *\brief at a given rate
+ *
+ * \param task a memory location for storing a #msg_task_t.
+ * \param alias name of the mailbox to receive the task from
+ * \param host a #msg_host_t host from where the task was sent
+ * \param rate limit the reception to rate bandwidth
+ *
+ * \return Returns
+ * #MSG_OK if the task was successfully received,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
+ */
+msg_error_t
+MSG_task_receive_from_host_bounded(msg_task_t * task, const char *alias,
+ msg_host_t host, double rate)
+{
+ return MSG_task_receive_ext_bounded(task, alias, -1, host, rate);
+}
+
/** \ingroup msg_task_usage
* \brief Receives a task from a mailbox.
*
return MSG_task_receive_with_timeout(task, alias, -1);
}
+/** \ingroup msg_task_usage
+ * \brief Receives a task from a mailbox at a given rate.
+ *
+ * \param task a memory location for storing a #msg_task_t.
+ * \param alias name of the mailbox to receive the task from
+ * \param rate limit the reception to rate bandwidth
+ *
+ * \return Returns
+ * #MSG_OK if the task was successfully received,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE otherwise.
+ */
+msg_error_t MSG_task_receive_bounded(msg_task_t * task, const char *alias, double rate)
+{
+ return MSG_task_receive_with_timeout_bounded(task, alias, -1, rate);
+}
+
/** \ingroup msg_task_usage
* \brief Receives a task from a mailbox with a given timeout.
*
return MSG_task_receive_ext(task, alias, timeout, NULL);
}
+/** \ingroup msg_task_usage
+ * \brief Receives a task from a mailbox with a given timeout and at a given rate.
+ *
+ * \param task a memory location for storing a #msg_task_t.
+ * \param alias name of the mailbox to receive the task from
+ * \param timeout is the maximum wait time for completion (if -1, this call is the same as #MSG_task_receive)
+ * \param rate limit the reception to rate bandwidth
+ *
+ * \return Returns
+ * #MSG_OK if the task was successfully received,
+ * #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise.
+ */
+msg_error_t
+MSG_task_receive_with_timeout_bounded(msg_task_t * task, const char *alias,
+ double timeout,double rate)
+{
+ return MSG_task_receive_ext_bounded(task, alias, timeout, NULL,rate);
+}
+
/** \ingroup msg_task_usage
* \brief Receives a task from a mailbox from a specific host with a given timeout.
*
msg_error_t
MSG_task_receive_ext(msg_task_t * task, const char *alias, double timeout,
msg_host_t host)
+{
+ xbt_ex_t e;
+ msg_error_t ret = MSG_OK;
+ XBT_DEBUG
+ ("MSG_task_receive_ext: Trying to receive a message on mailbox '%s'",
+ alias);
+ TRY {
+ ret = MSG_mailbox_get_task_ext(MSG_mailbox_get_by_alias(alias), task,
+ host, timeout);
+ }
+ CATCH(e) {
+ switch (e.category) {
+ case cancel_error: /* may be thrown by MSG_mailbox_get_by_alias */
+ ret = MSG_HOST_FAILURE;
+ break;
+ default:
+ RETHROW;
+ }
+ xbt_ex_free(e);
+ }
+ return ret;
+}
+
+/** \ingroup msg_task_usage
+ * \brief Receives a task from a mailbox from a specific host with a given timeout
+ * and at a given rate.
+ *
+ * \param task a memory location for storing a #msg_task_t.
+ * \param alias name of the mailbox to receive the task from
+ * \param timeout is the maximum wait time for completion (provide -1 for no timeout)
+ * \param host a #msg_host_t host from where the task was sent
+ * \param rate limit the reception to rate bandwidth
+ *
+ * \return Returns
+ * #MSG_OK if the task was successfully received,
+* #MSG_HOST_FAILURE, or #MSG_TRANSFER_FAILURE, or #MSG_TIMEOUT otherwise.
+ */
+msg_error_t
+MSG_task_receive_ext_bounded(msg_task_t * task, const char *alias, double timeout,
+ msg_host_t host, double rate)
{
XBT_DEBUG
("MSG_task_receive_ext: Trying to receive a message on mailbox '%s'",
alias);
- return MSG_mailbox_get_task_ext(MSG_mailbox_get_by_alias(alias), task,
- host, timeout);
+ return MSG_mailbox_get_task_ext_bounded(MSG_mailbox_get_by_alias(alias), task,
+ host, timeout, rate);
}
/** \ingroup msg_task_usage
return comm;
}
+/** \ingroup msg_task_usage
+ * \brief Starts listening for receiving a task from an asynchronous communication
+ * at a given rate.
+ *
+ * \param task a memory location for storing a #msg_task_t. has to be valid until the end of the communication.
+ * \param name of the mailbox to receive the task on
+ * \param rate limit the bandwidth to the given rate
+ * \return the msg_comm_t communication created
+ */
+msg_comm_t MSG_task_irecv_bounded(msg_task_t *task, const char *name, double rate)
+{
+
+
+ smx_rdv_t rdv = MSG_mailbox_get_by_alias(name);
+
+ /* FIXME: these functions are not traceable */
+
+ /* Sanity check */
+ xbt_assert(task, "Null pointer for the task storage");
+
+ if (*task)
+ XBT_CRITICAL
+ ("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);
+ comm->task_sent = NULL;
+ comm->task_received = task;
+ comm->status = MSG_OK;
+ comm->s_comm = simcall_comm_irecv_bounded(rdv, task, NULL, NULL, NULL, rate);
+
+ return comm;
+}
+
/** \ingroup msg_task_usage
* \brief Checks whether a communication is done, and if yes, finalizes it.
* \param comm the communication to test
