/* 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 "mailbox.h"
-#include "msg/private.h"
-
+#include "msg_mailbox.h"
+#include "msg_private.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(msg_mailbox, msg,
"Logging specific to MSG (mailbox)");
-static xbt_dict_t msg_mailboxes = NULL;
-
-void MSG_mailbox_mod_init(void)
-{
- msg_mailboxes = xbt_dict_new();
-}
-
-void MSG_mailbox_mod_exit(void)
-{
- xbt_dict_free(&msg_mailboxes);
-}
-
-msg_mailbox_t MSG_mailbox_create(const char *alias)
-{
- msg_mailbox_t mailbox = xbt_new0(s_msg_mailbox_t, 1);
-
- mailbox->cond = NULL;
- mailbox->alias = alias ? xbt_strdup(alias) : NULL;
- mailbox->rdv = SIMIX_rdv_create(alias);
-
- return mailbox;
-}
-
msg_mailbox_t MSG_mailbox_new(const char *alias)
{
- msg_mailbox_t mailbox = MSG_mailbox_create(alias);
-
- /* add the mbox in the dictionary */
- xbt_dict_set(msg_mailboxes, alias, mailbox, MSG_mailbox_free);
-
- return mailbox;
+ return simcall_rdv_create(alias);
}
void MSG_mailbox_free(void *mailbox)
{
- msg_mailbox_t _mailbox = (msg_mailbox_t) mailbox;
-
- free(_mailbox->alias);
- SIMIX_rdv_destroy(_mailbox->rdv);
-
- free(_mailbox);
-}
-
-smx_cond_t MSG_mailbox_get_cond(msg_mailbox_t mailbox)
-{
- return mailbox->cond;
+ simcall_rdv_destroy((msg_mailbox_t)mailbox);
}
int MSG_mailbox_is_empty(msg_mailbox_t mailbox)
{
- return (NULL == SIMIX_rdv_get_head(mailbox->rdv));
+ return (NULL == simcall_rdv_get_head(mailbox));
}
m_task_t MSG_mailbox_get_head(msg_mailbox_t mailbox)
{
- smx_comm_t comm = SIMIX_rdv_get_head(mailbox->rdv);
+ smx_action_t comm = simcall_rdv_get_head(mailbox);
if (!comm)
return NULL;
- return (m_task_t) SIMIX_communication_get_data(comm);
+ return (m_task_t) simcall_comm_get_src_data(comm);
}
int
MSG_mailbox_get_count_host_waiting_tasks(msg_mailbox_t mailbox,
m_host_t host)
{
- return SIMIX_rdv_get_count_waiting_comm(mailbox->rdv,
- host->simdata->smx_host);
-}
-
-void MSG_mailbox_set_cond(msg_mailbox_t mailbox, smx_cond_t cond)
-{
- mailbox->cond = cond;
-}
-
-const char *MSG_mailbox_get_alias(msg_mailbox_t mailbox)
-{
- return mailbox->alias;
+ return simcall_rdv_comm_count_by_host(mailbox,
+ host->smx_host);
}
msg_mailbox_t MSG_mailbox_get_by_alias(const char *alias)
{
- msg_mailbox_t mailbox = xbt_dict_get_or_null(msg_mailboxes, alias);
+ msg_mailbox_t mailbox = simcall_rdv_get_by_name(alias);
if (!mailbox)
mailbox = MSG_mailbox_new(alias);
return mailbox;
}
-msg_mailbox_t MSG_mailbox_get_by_channel(m_host_t host,
- m_channel_t channel)
-{
- xbt_assert0((host != NULL), "Invalid host");
- xbt_assert1((channel >= 0)
- && (channel < msg_global->max_channel), "Invalid channel %d",
- channel);
-
- return host->simdata->mailboxes[(size_t) channel];
-}
-
MSG_error_t
MSG_mailbox_get_task_ext(msg_mailbox_t mailbox, m_task_t * task,
m_host_t host, double timeout)
{
xbt_ex_t e;
MSG_error_t ret = MSG_OK;
- smx_comm_t comm;
-#ifdef HAVE_TRACING
- double start_time = 0;
-#endif
/* We no longer support getting a task from a specific host */
if (host)
THROW_UNIMPLEMENTED;
- CHECK_HOST();
#ifdef HAVE_TRACING
TRACE_msg_task_get_start();
- start_time = MSG_get_clock();
+ volatile double start_time = MSG_get_clock();
#endif
- /* Kept for compatibility with older implementation */
- xbt_assert1(!MSG_mailbox_get_cond(mailbox),
- "A process is already blocked on this channel %s",
- MSG_mailbox_get_alias(mailbox));
-
/* Sanity check */
- xbt_assert0(task, "Null pointer for the task storage");
+ xbt_assert(task, "Null pointer for the task storage");
if (*task)
- CRITICAL0
- ("MSG_task_get() was asked to write in a non empty task struct.");
+ XBT_WARN
+ ("Asked to write the received task in a non empty struct -- proceeding.");
/* Try to receive it by calling SIMIX network layer */
TRY {
- SIMIX_network_recv(mailbox->rdv, timeout, task, NULL, &comm);
- //INFO2("Got task %s from %s",(*task)->name,mailbox->alias);
- (*task)->simdata->refcount--;
+ simcall_comm_recv(mailbox, task, NULL, NULL, NULL, timeout);
+ XBT_DEBUG("Got task %s from %p",(*task)->name,mailbox);
+ (*task)->simdata->isused=0;
}
CATCH(e) {
switch (e.category) {
ret = MSG_TIMEOUT;
break;
default:
- xbt_die(bprintf("Unhandled SIMIX network exception: %s", e.msg));
+ RETHROW;
}
xbt_ex_free(e);
}
- if (ret != MSG_HOST_FAILURE &&
- ret != MSG_TRANSFER_FAILURE && ret != MSG_TIMEOUT) {
#ifdef HAVE_TRACING
+ if (ret != MSG_HOST_FAILURE &&
+ ret != MSG_TRANSFER_FAILURE &&
+ ret != MSG_TIMEOUT) {
TRACE_msg_task_get_end(start_time, *task);
-#endif
}
+#endif
MSG_RETURN(ret);
}
MSG_error_t ret = MSG_OK;
simdata_task_t t_simdata = NULL;
m_process_t process = MSG_process_self();
-#ifdef HAVE_TRACING
- int call_end = 0;
-#endif
- CHECK_HOST();
+ simdata_process_t p_simdata = SIMIX_process_self_get_data(process);
#ifdef HAVE_TRACING
- call_end = TRACE_msg_task_put_start(task); //must be after CHECK_HOST()
+ int call_end = TRACE_msg_task_put_start(task); //must be after CHECK_HOST()
#endif
-
/* Prepare the task to send */
t_simdata = task->simdata;
t_simdata->sender = process;
- t_simdata->source = MSG_host_self();
+ t_simdata->source = ((simdata_process_t) SIMIX_process_self_get_data(process))->m_host;
- xbt_assert0(t_simdata->refcount == 1,
+ xbt_assert(t_simdata->isused == 0,
"This task is still being used somewhere else. You cannot send it now. Go fix your code!");
- t_simdata->refcount++;
+ t_simdata->isused=1;
+ t_simdata->comm = NULL;
msg_global->sent_msg++;
- process->simdata->waiting_task = task;
+
+ p_simdata->waiting_task = task;
/* Try to send it by calling SIMIX network layer */
TRY {
- /* Kept for semantical compatibility with older implementation */
- if (mailbox->cond)
- SIMIX_cond_signal(mailbox->cond);
-
- SIMIX_network_send(mailbox->rdv, t_simdata->message_size,
- t_simdata->rate, timeout, task, sizeof(void *),
- &(t_simdata->comm), task);
+ smx_action_t comm = simcall_comm_isend(mailbox, t_simdata->message_size,
+ t_simdata->rate, task, sizeof(void *),
+ NULL, NULL, task, 0);
+#ifdef HAVE_TRACING
+ if (TRACE_is_enabled()) {
+ simcall_set_category(comm, task->category);
+ }
+#endif
+ t_simdata->comm = comm;
+ simcall_comm_wait(comm, timeout);
}
CATCH(e) {
ret = MSG_TIMEOUT;
break;
default:
- xbt_die(bprintf("Unhandled SIMIX network exception: %s", e.msg));
+ RETHROW;
}
xbt_ex_free(e);
- /* Decrement the refcount only on failure */
- t_simdata->refcount--;
+ /* If the send failed, it is not used anymore */
+ t_simdata->isused = 0;
}
- process->simdata->waiting_task = NULL;
+
+ p_simdata->waiting_task = NULL;
#ifdef HAVE_TRACING
if (call_end)
TRACE_msg_task_put_end();
#endif
MSG_RETURN(ret);
}
+
+#ifdef MSG_USE_DEPRECATED
+msg_mailbox_t MSG_mailbox_get_by_channel(m_host_t host,
+ m_channel_t channel)
+{
+ XBT_WARN("DEPRECATED! Now use MSG_mailbox_get_by_alias");
+ xbt_assert((host != NULL), "Invalid host");
+ xbt_assert((channel >= 0)
+ && (channel < msg_global->max_channel), "Invalid channel %d",
+ channel);
+
+ return host->simdata->mailboxes[(size_t) channel];
+}
+#endif