+/* Mailboxes in MSG */
+
+/* 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. */
+
#include "mailbox.h"
#include "msg/private.h"
{
xbt_ex_t e;
MSG_error_t ret = MSG_OK;
- size_t buff_size = 0;
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();
+#endif
+
+ memset(&comm,0,sizeof(comm));
/* Kept for compatibility with older implementation */
xbt_assert1(!MSG_mailbox_get_cond(mailbox),
xbt_assert0(task, "Null pointer for the task storage");
if (*task)
- CRITICAL0
- ("MSG_task_get() was asked to write in a non empty task struct.");
-
- /* We no loger support getting a task from a specific host */
- if(host)
- THROW_UNIMPLEMENTED;
+ CRITICAL0("MSG_task_get() was asked to write in a non empty task struct.");
/* Try to receive it by calling SIMIX network layer */
TRY{
- SIMIX_network_recv(mailbox->rdv, timeout, NULL, &buff_size, &comm);
+ SIMIX_network_recv(mailbox->rdv, timeout, task, NULL, &comm);
+ //INFO2("Got task %s from %s",(*task)->name,mailbox->alias);
+ (*task)->simdata->refcount--;
}
CATCH(e){
switch(e.category){
ret = MSG_TRANSFER_FAILURE;
break;
case timeout_error:
- ret = MSG_TRANSFER_FAILURE;
+ ret = MSG_TIMEOUT;
break;
default:
- xbt_die("Unhandled SIMIX network exception");
+ xbt_die(bprintf("Unhandled SIMIX network exception: %s",e.msg));
}
xbt_ex_free(e);
}
- *task = SIMIX_communication_get_data(comm);
-
- /* If the sender didn't decremented the refcount so far then do it */
- if (*task && (*task)->simdata->refcount > 1)
- (*task)->simdata->refcount--;
-
+ if (ret != MSG_HOST_FAILURE &&
+ ret != MSG_TRANSFER_FAILURE &&
+ ret != MSG_TIMEOUT){
+#ifdef HAVE_TRACING
+ TRACE_msg_task_get_end (start_time, *task);
+#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();
+#ifdef HAVE_TRACING
+ 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;
msg_global->sent_msg++;
process->simdata->waiting_task = task;
-
+
/* Try to send it by calling SIMIX network layer */
TRY{
/* Kept for semantical compatibility with older implementation */
SIMIX_cond_signal(mailbox->cond);
SIMIX_network_send(mailbox->rdv, t_simdata->message_size, t_simdata->rate,
- timeout, NULL, 0, &t_simdata->comm, task);
+ timeout, task, sizeof(void*), &t_simdata->comm, task);
}
CATCH(e){
ret = MSG_TRANSFER_FAILURE;
break;
case timeout_error:
- ret = MSG_TRANSFER_FAILURE;
- break;
+ ret = MSG_TIMEOUT;
+ break;
default:
- xbt_die("Unhandled SIMIX network exception");
+ xbt_die(bprintf("Unhandled SIMIX network exception: %s",e.msg));
}
xbt_ex_free(e);
- /* If the receiver end didn't decremented the refcount so far then do it */
- if (t_simdata->refcount > 1)
- t_simdata->refcount--;
+
+ /* Decrement the refcount only on failure */
+ t_simdata->refcount--;
}
process->simdata->waiting_task = NULL;
-
- /* If the receiver end didn't decremented the refcount so far then do it */
- if (t_simdata->refcount > 1)
- t_simdata->refcount--;
-
+#ifdef HAVE_TRACING
+ if (call_end) TRACE_msg_task_put_end ();
+#endif
MSG_RETURN(ret);
}