1 /* Copyright (c) 2006-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #ifndef SIMDAG_PRIVATE_H
8 #define SIMDAG_PRIVATE_H
11 #include "xbt/dynar.h"
12 #include "simgrid/simdag.h"
13 #include "surf/surf.h"
14 #include "xbt/mallocator.h"
19 /* Global variables */
21 typedef struct SD_global {
22 xbt_mallocator_t task_mallocator; /* to not remalloc new tasks */
24 int watch_point_reached; /* has a task just reached a watch point? */
26 xbt_dynar_t initial_task_set;
27 xbt_dynar_t executable_task_set;
28 xbt_dynar_t completed_task_set;
30 xbt_dynar_t return_set;
32 } s_SD_global_t, *SD_global_t;
34 extern XBT_PRIVATE SD_global_t sd_global;
37 typedef struct SD_task {
38 e_SD_task_state_t state;
39 void *data; /* user data */
41 e_SD_task_kind_t kind;
43 double alpha; /* used by typed parallel tasks */
47 surf_action_t surf_action;
48 unsigned short watch_points; /* bit field xor()ed with masks */
50 int marked; /* used to check if the task DAG has some cycle*/
53 xbt_dynar_t tasks_before;
54 xbt_dynar_t tasks_after;
55 int unsatisfied_dependencies;
56 unsigned int is_not_ready;
58 /* scheduling parameters (only exist in state SD_SCHEDULED) */
65 long long int counter; /* task unique identifier for instrumentation */
66 char *category; /* sd task category for instrumentation */
69 /* Task dependencies */
70 typedef struct SD_dependency {
75 /* src must be finished before dst can start */
76 } s_SD_dependency_t, *SD_dependency_t;
78 /* SimDag private functions */
79 XBT_PRIVATE void SD_task_set_state(SD_task_t task, e_SD_task_state_t new_state);
80 XBT_PRIVATE void SD_task_run(SD_task_t task);
81 XBT_PRIVATE bool acyclic_graph_detail(xbt_dynar_t dag);
82 XBT_PRIVATE void uniq_transfer_task_name(SD_task_t task);
84 /* Task mallocator functions */
85 XBT_PRIVATE void* SD_task_new_f(void);
86 XBT_PRIVATE void SD_task_recycle_f(void *t);
87 XBT_PRIVATE void SD_task_free_f(void *t);