/* Internal function used to factorize code between
* MSG_task_isend_with_matching() and MSG_task_dsend().
*/
static XBT_INLINE
msg_comm_t MSG_task_isend_internal(msg_task_t task, const char *alias,
int (*match_fun)(void*,void*, smx_synchro_t),
void *match_data, void_f_pvoid_t cleanup,
int detached)
{
simdata_task_t t_simdata = NULL;
msg_process_t process = MSG_process_self();
msg_mailbox_t mailbox = MSG_mailbox_get_by_alias(alias);
int call_end = TRACE_msg_task_put_start(task);
/* Prepare the task to send */
t_simdata = task->simdata;
t_simdata->sender = process;
t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
if (t_simdata->isused != 0) {
if (msg_global->debug_multiple_use){
XBT_ERROR("This task is already used in there:");
xbt_backtrace_display(t_simdata->isused);
XBT_ERROR("And you try to reuse it from here:");
xbt_backtrace_display_current();
} else {
xbt_assert(t_simdata->isused == 0,
"This task is still being used somewhere else. You cannot send it now. Go fix your code! (use --cfg=msg/debug_multiple_use:on to get the backtrace of the other process)");
}
}
if (msg_global->debug_multiple_use)
MSG_BT(t_simdata->isused, "Using Backtrace");
else
t_simdata->isused = (void*)1;
t_simdata->comm = NULL;
msg_global->sent_msg++;
/* Send it by calling SIMIX network layer */
smx_synchro_t act = simcall_comm_isend(SIMIX_process_self(), mailbox, t_simdata->bytes_amount,
t_simdata->rate, task, sizeof(void *),
match_fun, cleanup, NULL, match_data,detached);
t_simdata->comm = act; /* FIXME: is the field t_simdata->comm still useful? */
msg_comm_t comm;
if (detached) {
comm = NULL;
} else {
comm = xbt_new0(s_msg_comm_t, 1);
comm->task_sent = task;
comm->task_received = NULL;
comm->status = MSG_OK;
comm->s_comm = act;
}
if (TRACE_is_enabled())
simcall_set_category(act, task->category);
if (call_end)
TRACE_msg_task_put_end();
return comm;
}
/** \brief show the backtrace of the current point (lovely while debuging) */
void xbt_backtrace_display_current(void)
{
xbt_ex_t e;
xbt_backtrace_current(&e);
xbt_backtrace_display(&e);
}
msg_error_t
MSG_mailbox_put_with_timeout(msg_mailbox_t mailbox, msg_task_t task,
double timeout)
{
msg_error_t ret = MSG_OK;
simdata_task_t t_simdata = NULL;
msg_process_t process = MSG_process_self();
simdata_process_t p_simdata = SIMIX_process_self_get_data(process);
int call_end = TRACE_msg_task_put_start(task); //must be after CHECK_HOST()
/* Prepare the task to send */
t_simdata = task->simdata;
t_simdata->sender = process;
t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
if (t_simdata->isused != 0) {
if (msg_global->debug_multiple_use){
XBT_ERROR("This task is already used in there:");
xbt_backtrace_display(t_simdata->isused);
XBT_ERROR("And you try to reuse it from here:");
xbt_backtrace_display_current();
} else {
xbt_assert(t_simdata->isused == 0,
"This task is still being used somewhere else. You cannot send it now. Go fix your code! (use --cfg=msg/debug_multiple_use:on to get the backtrace of the other process)");
}
}
if (msg_global->debug_multiple_use)
MSG_BT(t_simdata->isused, "Using Backtrace");
else
t_simdata->isused = (void*)1;
t_simdata->comm = NULL;
msg_global->sent_msg++;
p_simdata->waiting_task = task;
xbt_ex_t e;
/* Try to send it by calling SIMIX network layer */
TRY {
smx_synchro_t comm = NULL; /* MC needs the comm to be set to NULL during the simix call */
comm = simcall_comm_isend(SIMIX_process_self(), mailbox,t_simdata->bytes_amount,
t_simdata->rate, task, sizeof(void *),
NULL, NULL, NULL, task, 0);
if (TRACE_is_enabled())
simcall_set_category(comm, task->category);
t_simdata->comm = comm;
simcall_comm_wait(comm, timeout);
}
CATCH(e) {
switch (e.category) {
case cancel_error:
ret = MSG_HOST_FAILURE;
break;
case network_error:
ret = MSG_TRANSFER_FAILURE;
break;
case timeout_error:
ret = MSG_TIMEOUT;
break;
default:
RETHROW;
}
xbt_ex_free(e);
/* If the send failed, it is not used anymore */
if (msg_global->debug_multiple_use && t_simdata->isused!=0)
xbt_ex_free(*(xbt_ex_t*)t_simdata->isused);
t_simdata->isused = 0;
}
p_simdata->waiting_task = NULL;
if (call_end)
TRACE_msg_task_put_end();
MSG_RETURN(ret);
}