1 #ifndef SIMDAG_PRIVATE_H
2 #define SIMDAG_PRIVATE_H
7 #include "simdag/simdag.h"
8 #include "simdag/datatypes.h"
11 #define SD_INITIALISED() (sd_global != NULL)
12 #define SD_CHECK_INIT_DONE() xbt_assert0(SD_INITIALISED(), "Call SD_init() first");
14 /* Global variables */
16 typedef struct SD_global {
17 xbt_dict_t workstations; /* workstation dictionary */
18 int workstation_count; /* number of workstations */
19 SD_workstation_t *workstation_list; /* array of workstations, created only if
20 necessary in SD_workstation_get_list */
22 xbt_dict_t links; /* links */
23 int link_count; /* number of links */
24 SD_link_t *link_list; /* array of links, created only if
25 necessary in SD_link_get_list */
27 int watch_point_reached; /* has a task just reached a watch point? */
30 xbt_swag_t not_scheduled_task_set;
31 xbt_swag_t scheduled_task_set;
32 xbt_swag_t ready_task_set;
33 xbt_swag_t in_fifo_task_set;
34 xbt_swag_t running_task_set;
35 xbt_swag_t done_task_set;
36 xbt_swag_t failed_task_set;
38 } s_SD_global_t, *SD_global_t;
40 extern SD_global_t sd_global;
43 typedef struct SD_link {
44 void *surf_link; /* surf object */
45 void *data; /* user data */
49 typedef struct SD_workstation {
50 void *surf_workstation; /* surf object */
51 void *data; /* user data */
52 e_SD_workstation_access_mode_t access_mode;
54 xbt_fifo_t task_fifo; /* only used in sequential mode */
55 SD_task_t current_task; /* only used in sequential mode */
59 typedef struct SD_task {
60 s_xbt_swag_hookup_t state_hookup;
62 void *data; /* user data */
68 surf_action_t surf_action;
69 unsigned short watch_points;
71 int state_changed; /* used only by SD_simulate, to make sure we put
72 the task only once in the returning array */
73 int fifo_checked; /* used by SD_task_just_done to make sure we evaluate
77 xbt_dynar_t tasks_before;
78 xbt_dynar_t tasks_after;
80 /* scheduling parameters (only exist in state SD_SCHEDULED) */
82 SD_workstation_t *workstation_list; /* surf workstations */
83 double *computation_amount;
84 double *communication_amount;
88 /* Task dependencies */
89 typedef struct SD_dependency {
94 /* src must be finished before dst can start */
95 } s_SD_dependency_t, *SD_dependency_t;
97 /* SimDag private functions */
99 SD_link_t __SD_link_create(void *surf_link, void *data);
100 void __SD_link_destroy(void *link);
102 SD_workstation_t __SD_workstation_create(void *surf_workstation, void *data);
103 void __SD_workstation_destroy(void *workstation);
104 int __SD_workstation_is_busy(SD_workstation_t workstation);
106 void __SD_task_set_state(SD_task_t task, e_SD_task_state_t new_state);
107 void __SD_task_really_run(SD_task_t task);
108 int __SD_task_try_to_run(SD_task_t task);
109 void __SD_task_just_done(SD_task_t task);
111 /* Functions to test if the task is in a given state.
112 These functions are faster than using SD_task_get_state() */
114 /* Returns whether the given task is scheduled or ready. */
115 static _XBT_INLINE int __SD_task_is_scheduled_or_ready(SD_task_t task) {
116 return task->state_set == sd_global->scheduled_task_set ||
117 task->state_set == sd_global->ready_task_set;
120 /* Returns whether the state of the given task is SD_NOT_SCHEDULED. */
121 static _XBT_INLINE int __SD_task_is_not_scheduled(SD_task_t task) {
122 return task->state_set == sd_global->not_scheduled_task_set;
125 /* Returns whether the state of the given task is SD_SCHEDULED. */
126 static _XBT_INLINE int __SD_task_is_scheduled(SD_task_t task) {
127 return task->state_set == sd_global->scheduled_task_set;
130 /* Returns whether the state of the given task is SD_READY. */
131 static _XBT_INLINE int __SD_task_is_ready(SD_task_t task) {
132 return task->state_set == sd_global->ready_task_set;
135 /* Returns whether the state of the given task is SD_IN_FIFO. */
136 static _XBT_INLINE int __SD_task_is_in_fifo(SD_task_t task) {
137 return task->state_set == sd_global->in_fifo_task_set;
140 /* Returns whether the state of the given task is SD_READY or SD_IN_FIFO. */
141 static _XBT_INLINE int __SD_task_is_ready_or_in_fifo(SD_task_t task) {
142 return task->state_set == sd_global->ready_task_set ||
143 task->state_set == sd_global->in_fifo_task_set;
146 /* Returns whether the state of the given task is SD_RUNNING. */
147 static _XBT_INLINE int __SD_task_is_running(SD_task_t task) {
148 return task->state_set == sd_global->running_task_set;