+/* Copyright (c) 2006, 2007, 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. */
+
#ifndef SIMDAG_PRIVATE_H
#define SIMDAG_PRIVATE_H
#include "xbt/dict.h"
#include "xbt/dynar.h"
+#include "xbt/fifo.h"
#include "simdag/simdag.h"
#include "simdag/datatypes.h"
#include "surf/surf.h"
-#define SD_CHECK_INIT_DONE() xbt_assert0(sd_global != NULL, "Call SD_init() first")
+#define SD_INITIALISED() (sd_global != NULL)
+#define SD_CHECK_INIT_DONE() xbt_assert0(SD_INITIALISED(), "Call SD_init() first");
/* Global variables */
typedef struct SD_global {
- xbt_dict_t workstations; /* workstation list */
- int workstation_count; /* number of workstations */
- xbt_dict_t links; /* link list */
- int watch_point_reached; /* has a task just reached a watch point? */
-
+ xbt_dict_t workstations; /* workstation dictionary */
+ int workstation_count; /* number of workstations */
+ SD_workstation_t *workstation_list; /* array of workstations, created only if
+ necessary in SD_workstation_get_list */
+
+ xbt_dict_t links; /* links */
+ int link_count; /* number of links */
+ SD_link_t *link_list; /* array of links, created only if
+ necessary in SD_link_get_list */
+ SD_link_t *recyclable_route; /* array returned by SD_route_get_list
+ and mallocated only once */
+
+ int watch_point_reached; /* has a task just reached a watch point? */
+
/* task state sets */
xbt_swag_t not_scheduled_task_set;
xbt_swag_t scheduled_task_set;
+ xbt_swag_t ready_task_set;
+ xbt_swag_t in_fifo_task_set;
xbt_swag_t running_task_set;
xbt_swag_t done_task_set;
xbt_swag_t failed_task_set;
+ int task_number;
+
} s_SD_global_t, *SD_global_t;
extern SD_global_t sd_global;
/* Link */
typedef struct SD_link {
- void *surf_link; /* surf object */
- void *data; /* user data */
+ void *surf_link; /* surf object */
+ void *data; /* user data */
+ e_SD_link_sharing_policy_t sharing_policy;
} s_SD_link_t;
/* Workstation */
typedef struct SD_workstation {
- void *surf_workstation; /* surf object */
- void *data; /* user data */
+ void *surf_workstation; /* surf object */
+ void *data; /* user data */
+ e_SD_workstation_access_mode_t access_mode;
+
+ xbt_fifo_t task_fifo; /* only used in sequential mode */
+ SD_task_t current_task; /* only used in sequential mode */
} s_SD_workstation_t;
/* Task */
typedef struct SD_task {
s_xbt_swag_hookup_t state_hookup;
xbt_swag_t state_set;
- void *data; /* user data */
+ e_SD_task_state_t state;
+ void *data; /* user data */
char *name;
+ int kind;
double amount;
+ double remains;
+ double start_time;
+ double finish_time;
surf_action_t surf_action;
- unsigned short watch_points;
- int state_changed;
+ unsigned short watch_points; /* bit field xor()ed with masks */
+
+ int fifo_checked; /* used by SD_task_just_done to make sure we evaluate
+ the task only once */
/* dependencies */
xbt_dynar_t tasks_before;
/* scheduling parameters (only exist in state SD_SCHEDULED) */
int workstation_nb;
- void **workstation_list; /* surf workstations */
+ SD_workstation_t *workstation_list; /* surf workstations */
double *computation_amount;
double *communication_amount;
double rate;
SD_workstation_t __SD_workstation_create(void *surf_workstation, void *data);
void __SD_workstation_destroy(void *workstation);
+int __SD_workstation_is_busy(SD_workstation_t workstation);
void __SD_task_set_state(SD_task_t task, e_SD_task_state_t new_state);
-surf_action_t __SD_task_run(SD_task_t task);
-void __SD_task_remove_dependencies(SD_task_t task);
+void __SD_task_really_run(SD_task_t task);
+int __SD_task_try_to_run(SD_task_t task);
+void __SD_task_just_done(SD_task_t task);
+
+/* Functions to test if the task is in a given state. */
+
+/* Returns whether the given task is scheduled or ready. */
+static XBT_INLINE int __SD_task_is_scheduled_or_ready(SD_task_t task)
+{
+ return task->state_set == sd_global->scheduled_task_set ||
+ task->state_set == sd_global->ready_task_set;
+}
+
+/* Returns whether the state of the given task is SD_NOT_SCHEDULED. */
+static XBT_INLINE int __SD_task_is_not_scheduled(SD_task_t task)
+{
+ return task->state_set == sd_global->not_scheduled_task_set;
+}
+
+/* Returns whether the state of the given task is SD_SCHEDULED. */
+static XBT_INLINE int __SD_task_is_scheduled(SD_task_t task)
+{
+ return task->state_set == sd_global->scheduled_task_set;
+}
+
+/* Returns whether the state of the given task is SD_READY. */
+static XBT_INLINE int __SD_task_is_ready(SD_task_t task)
+{
+ return task->state_set == sd_global->ready_task_set;
+}
+
+/* Returns whether the state of the given task is SD_IN_FIFO. */
+static XBT_INLINE int __SD_task_is_in_fifo(SD_task_t task)
+{
+ return task->state_set == sd_global->in_fifo_task_set;
+}
+
+/* Returns whether the state of the given task is SD_READY or SD_IN_FIFO. */
+static XBT_INLINE int __SD_task_is_ready_or_in_fifo(SD_task_t task)
+{
+ return task->state_set == sd_global->ready_task_set ||
+ task->state_set == sd_global->in_fifo_task_set;
+}
+
+/* Returns whether the state of the given task is SD_RUNNING. */
+static XBT_INLINE int __SD_task_is_running(SD_task_t task)
+{
+ return task->state_set == sd_global->running_task_set;
+}
#endif
