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 */
26 SD_link_t *recyclable_route; /* array returned by SD_route_get_list
27 and mallocated only once */
29 int watch_point_reached; /* has a task just reached a watch point? */
32 xbt_swag_t not_scheduled_task_set;
33 xbt_swag_t scheduled_task_set;
34 xbt_swag_t ready_task_set;
35 xbt_swag_t in_fifo_task_set;
36 xbt_swag_t running_task_set;
37 xbt_swag_t done_task_set;
38 xbt_swag_t failed_task_set;
40 } s_SD_global_t, *SD_global_t;
42 extern SD_global_t sd_global;
45 typedef struct SD_link {
46 void *surf_link; /* surf object */
47 void *data; /* user data */
51 typedef struct SD_workstation {
52 void *surf_workstation; /* surf object */
53 void *data; /* user data */
54 e_SD_workstation_access_mode_t access_mode;
56 xbt_fifo_t task_fifo; /* only used in sequential mode */
57 SD_task_t current_task; /* only used in sequential mode */
61 typedef struct SD_task {
62 s_xbt_swag_hookup_t state_hookup;
64 void *data; /* user data */
70 surf_action_t surf_action;
71 unsigned short watch_points;
73 int state_changed; /* used only by SD_simulate, to make sure we put
74 the task only once in the returning array */
75 int fifo_checked; /* used by SD_task_just_done to make sure we evaluate
79 xbt_dynar_t tasks_before;
80 xbt_dynar_t tasks_after;
82 /* scheduling parameters (only exist in state SD_SCHEDULED) */
84 SD_workstation_t *workstation_list; /* surf workstations */
85 double *computation_amount;
86 double *communication_amount;
90 /* Task dependencies */
91 typedef struct SD_dependency {
96 /* src must be finished before dst can start */
97 } s_SD_dependency_t, *SD_dependency_t;
99 /* SimDag private functions */
101 SD_link_t __SD_link_create(void *surf_link, void *data);
102 void __SD_link_destroy(void *link);
104 SD_workstation_t __SD_workstation_create(void *surf_workstation, void *data);
105 void __SD_workstation_destroy(void *workstation);
106 int __SD_workstation_is_busy(SD_workstation_t workstation);
108 void __SD_task_set_state(SD_task_t task, e_SD_task_state_t new_state);
109 void __SD_task_really_run(SD_task_t task);
110 int __SD_task_try_to_run(SD_task_t task);
111 void __SD_task_just_done(SD_task_t task);
113 /* Functions to test if the task is in a given state.
114 These functions are faster than using SD_task_get_state() */
116 /* Returns whether the given task is scheduled or ready. */
117 static _XBT_INLINE int __SD_task_is_scheduled_or_ready(SD_task_t task) {
118 return task->state_set == sd_global->scheduled_task_set ||
119 task->state_set == sd_global->ready_task_set;
122 /* Returns whether the state of the given task is SD_NOT_SCHEDULED. */
123 static _XBT_INLINE int __SD_task_is_not_scheduled(SD_task_t task) {
124 return task->state_set == sd_global->not_scheduled_task_set;
127 /* Returns whether the state of the given task is SD_SCHEDULED. */
128 static _XBT_INLINE int __SD_task_is_scheduled(SD_task_t task) {
129 return task->state_set == sd_global->scheduled_task_set;
132 /* Returns whether the state of the given task is SD_READY. */
133 static _XBT_INLINE int __SD_task_is_ready(SD_task_t task) {
134 return task->state_set == sd_global->ready_task_set;
137 /* Returns whether the state of the given task is SD_IN_FIFO. */
138 static _XBT_INLINE int __SD_task_is_in_fifo(SD_task_t task) {
139 return task->state_set == sd_global->in_fifo_task_set;
142 /* Returns whether the state of the given task is SD_READY or SD_IN_FIFO. */
143 static _XBT_INLINE int __SD_task_is_ready_or_in_fifo(SD_task_t task) {
144 return task->state_set == sd_global->ready_task_set ||
145 task->state_set == sd_global->in_fifo_task_set;
148 /* Returns whether the state of the given task is SD_RUNNING. */
149 static _XBT_INLINE int __SD_task_is_running(SD_task_t task) {
150 return task->state_set == sd_global->running_task_set;