1 #ifndef SIMDAG_DATATYPES_H
2 #define SIMDAG_DATATYPES_H
4 /** @brief Workstation datatype
5 @ingroup SD_datatypes_management
7 A workstation is a place where a task can be executed.
8 A workstation is represented as a <em>physical
9 resource with computing capabilities</em> and has a <em>name</em>.
11 @see SD_workstation_management */
12 typedef struct SD_workstation *SD_workstation_t;
14 /** @brief Link datatype
15 @ingroup SD_datatypes_management
17 A link is a network node represented as a <em>name</em>, a <em>current
18 bandwidth</em> and a <em>current latency</em>. A route is a list of
19 links between two workstations.
21 @see SD_link_management */
22 typedef struct SD_link *SD_link_t;
24 /** @brief Task datatype
25 @ingroup SD_datatypes_management
27 A task is some <em>computing amount</em> that can be executed
28 in parallel on several workstations. A task may depend on other
29 tasks, this means that the task cannot start until the other tasks are done.
30 Each task has a <em>\ref e_SD_task_state_t "state"</em> indicating whether
31 the task is scheduled, running, done, etc.
33 @see SD_task_management */
34 typedef struct SD_task *SD_task_t;
36 /** @brief Task states
37 @ingroup SD_datatypes_management
39 @see SD_task_management */
41 SD_NOT_SCHEDULED = 0, /**< @brief Initial state (not valid for SD_watch and SD_unwatch). */
42 SD_SCHEDULED = 0x0001, /**< @brief A task becomes SD_SCHEDULED when you call function
43 SD_task_schedule. SD_simulate will execute it when it becomes SD_READY. */
44 SD_READY = 0x0002, /**< @brief A scheduled task becomes ready as soon as its dependencies are satisfied. */
45 SD_RUNNING = 0x0004, /**< @brief When a task is ready, it is launched in the function SD_simulate and becomes SD_RUNNING. */
46 SD_DONE = 0x0008, /**< @brief The task is successfuly finished. */
47 SD_FAILED = 0x0010 /**< @brief A problem occured during the execution of the task. */