X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3f17e7a2d9e727cf8ba2da354280f3afd329c8a6..e1f0c9d399e27b4620f3497e5a90a22fee96ab21:/include/simdag/datatypes.h

diff --git a/include/simdag/datatypes.h b/include/simdag/datatypes.h
index 391f469f1b..01b272afc9 100644
--- a/include/simdag/datatypes.h
+++ b/include/simdag/datatypes.h
@@ -1,3 +1,8 @@
+/* Copyright (c) 2007-2009 Da SimGrid Team.  All rights reserved.           */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
 #ifndef SIMDAG_DATATYPES_H
 #define SIMDAG_DATATYPES_H
 
@@ -11,6 +16,26 @@
     @see SD_workstation_management */
 typedef struct SD_workstation *SD_workstation_t;
 
+/** @brief Workstation access mode
+    @ingroup SD_datatypes_management
+
+    By default, a workstation resource is shared, i.e. several tasks
+    can be executed at the same time on a workstation. The CPU power of
+    the workstation is shared between the running tasks on the workstation.
+    In sequential mode, only one task can use the workstation, and the other
+    tasks wait in a FIFO.
+
+    @see SD_workstation_get_access_mode(), SD_workstation_set_access_mode() */
+typedef enum {
+  SD_WORKSTATION_SHARED_ACCESS,     /**< @brief Several tasks can be executed at the same time */
+  SD_WORKSTATION_SEQUENTIAL_ACCESS  /**< @brief Only one task can be executed, the others wait in a FIFO. */
+} e_SD_workstation_access_mode_t;
+
+typedef enum {
+  SD_LINK_SHARED,
+  SD_LINK_FATPIPE
+} e_SD_link_sharing_policy_t;
+
 /** @brief Link datatype
     @ingroup SD_datatypes_management
 
@@ -39,12 +64,24 @@ typedef struct SD_task *SD_task_t;
     @see SD_task_management */
 typedef enum {
   SD_NOT_SCHEDULED = 0,      /**< @brief Initial state (not valid for SD_watch and SD_unwatch). */
-  SD_SCHEDULED =     0x0001, /**< @brief A task becomes SD_SCHEDULED when you call function
+  SD_SCHEDULED = 0x0001,     /**< @brief A task becomes SD_SCHEDULED when you call function
 				SD_task_schedule. SD_simulate will execute it when it becomes SD_READY. */
-  SD_READY =         0x0002, /**< @brief A scheduled task becomes ready as soon as its dependencies are satisfied. */
-  SD_RUNNING =       0x0004, /**< @brief When a task is ready, it is launched in the function SD_simulate and becomes SD_RUNNING. */
-  SD_DONE =          0x0008, /**< @brief The task is successfuly finished. */
-  SD_FAILED =        0x0010  /**< @brief A problem occured during the execution of the task. */
+  SD_READY = 0x0002,         /**< @brief A scheduled task becomes ready is SD_simulate as soon as its dependencies are satisfied. */
+  SD_IN_FIFO = 0x0004,       /**< @brief A ready task can have to wait in a workstation fifo if the workstation is sequential */
+  SD_RUNNING = 0x0008,       /**< @brief An SD_READY or SD_IN_FIFO becomes SD_RUNNING when it is launched. */
+  SD_DONE = 0x0010,          /**< @brief The task is successfuly finished. */
+  SD_FAILED = 0x0020         /**< @brief A problem occured during the execution of the task. */
 } e_SD_task_state_t;
 
+/** @brief Task kinds
+    @ingroup SD_datatypes_management
+
+    @see SD_task_management */
+typedef enum {
+  /* leave 0 for "not typed" */
+  SD_TASK_COMM_E2E  = 1,      /**< @brief end to end communication */
+  SD_TASK_COMP_SEQ  = 2,      /**< @brief sequential computation */
+} e_SD_task_kind_t;
+
+
 #endif