+ 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 */
+ int marked; /* used to check if the task DAG has some cycle*/
+
+ /* dependencies */
+ xbt_dynar_t tasks_before;
+ xbt_dynar_t tasks_after;
+ int unsatisfied_dependencies;
+ unsigned int is_not_ready;
+
+ /* scheduling parameters (only exist in state SD_SCHEDULED) */
+ int workstation_nb;
+ SD_workstation_t *workstation_list; /* surf workstations */
+ double *flops_amount;
+ double *bytes_amount;
+ double rate;
+
+ long long int counter; /* task unique identifier for instrumentation */
+ char *category; /* sd task category for instrumentation */
+} s_SD_task_t;
+
+/* Task dependencies */
+typedef struct SD_dependency {
+ char *name;
+ void *data;
+ SD_task_t src;
+ SD_task_t dst;
+ /* src must be finished before dst can start */
+} s_SD_dependency_t, *SD_dependency_t;
+
+/* SimDag private functions */
+XBT_PUBLIC(xbt_swag_t) SD_simulate_swag(double how_long); /* could be public, but you need to see the internals of the SD_task_t to use it */
+
+
+XBT_PRIVATE SD_workstation_t __SD_workstation_create(const char* name);
+XBT_PRIVATE void __SD_workstation_destroy(void *workstation);
+XBT_PRIVATE int __SD_workstation_is_busy(SD_workstation_t workstation);
+
+XBT_PRIVATE void __SD_task_set_state(SD_task_t task, e_SD_task_state_t new_state);
+XBT_PRIVATE void __SD_task_really_run(SD_task_t task);
+XBT_PRIVATE void __SD_task_just_done(SD_task_t task);
+XBT_PRIVATE int __SD_task_try_to_run(SD_task_t task);
+XBT_PRIVATE bool acyclic_graph_detail(xbt_dynar_t dag);
+
+/* Task mallocator functions */
+XBT_PRIVATE void* SD_task_new_f(void);
+XBT_PRIVATE void SD_task_recycle_f(void *t);
+XBT_PRIVATE void SD_task_free_f(void *t);
+
+/* Functions to test if the task is in a given state. */
+
+/* Returns whether the given task is scheduled or runnable. */
+static XBT_INLINE int __SD_task_is_scheduled_or_runnable(SD_task_t task)
+{
+ return task->state_set == sd_global->scheduled_task_set ||
+ task->state_set == sd_global->runnable_task_set;
+}
+
+/* Returns whether the given task is scheduled or runnable. */
+static XBT_INLINE int __SD_task_is_schedulable_or_done(SD_task_t task)
+{
+ return task->state_set == sd_global->schedulable_task_set ||
+ task->state_set == sd_global->done_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_schedulable(SD_task_t task)
+{
+ return task->state_set == sd_global->schedulable_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_RUNNABLE. */
+static XBT_INLINE int __SD_task_is_runnable(SD_task_t task)
+{
+ return task->state_set == sd_global->runnable_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_RUNNABLE or SD_IN_FIFO. */
+static XBT_INLINE int __SD_task_is_runnable_or_in_fifo(SD_task_t task)
+{
+ return task->state_set == sd_global->runnable_task_set ||
+ task->state_set == sd_global->in_fifo_task_set;
+}