Changeset 4250c8b in rtems for c/src/exec/score/include/rtems/score/tqdata.h

Timestamp:

12/01/95 21:07:25 (27 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

ed32907

Parents:

a26603d

Message:

Added support for new synchronization algorithm.

File:

• c/src/exec/score/include/rtems/score/tqdata.h (modified) (3 diffs)

c/src/exec/score/include/rtems/score/tqdata.h

@@ -37 +37 @@
 
 /*
+ *  The following enumerated types indicate what happened while the thread
+ *  queue was in the synchronization window.
+ */
+ 
+typedef enum {
+  THREAD_QUEUE_NOTHING_HAPPENED,
+  THREAD_QUEUE_TIMEOUT,
+  THREAD_QUEUE_SATISFIED
+}  Thread_queue_states;
+
+/*
  *  The following record defines the control block used
  *  to manage each thread.
@@ -50 +61 @@
   } Queues;
   boolean                  sync;       /* alloc/dealloc critical section */
+  Thread_queue_states      sync_state; /* what happened while in sync    */
   Thread_queue_Disciplines discipline; /* queue discipline               */
   States_Control           state;      /* state of threads on Thread_q   */
@@ -83 +95 @@
 );
 
+/*
+ *  _Thread_queue_Enter_critical_section
+ *
+ *  DESCRIPTION:
+ *
+ *  This routine is invoked to indicate that the specified thread queue is
+ *  entering a critical section.
+ */
+ 
+STATIC INLINE void _Thread_queue_Enter_critical_section (
+  Thread_queue_Control *the_thread_queue
+);
+
 #include <rtems/score/tqdata.inl>