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Added support for new synchronization algorithm.

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This commit is contained in:
Joel Sherrill
1995-12-01 21:07:25 +00:00
parent a26603d598
commit 4250c8b13d
3 changed files with 75 additions and 0 deletions
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25
c/src/exec/score/headers/tqdata.h
View File

@@ -35,6 +35,17 @@ typedef enum {
THREAD_QUEUE_DISCIPLINE_PRIORITY /* PRIORITY queue discipline */ THREAD_QUEUE_DISCIPLINE_PRIORITY /* PRIORITY queue discipline */
} Thread_queue_Disciplines; } Thread_queue_Disciplines;
/*
* 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 * The following record defines the control block used
* to manage each thread. * to manage each thread.
@@ -49,6 +60,7 @@ typedef struct {
/* priority discipline list */ /* priority discipline list */
} Queues; } Queues;
boolean sync; /* alloc/dealloc critical section */ boolean sync; /* alloc/dealloc critical section */
Thread_queue_states sync_state; /* what happened while in sync */
Thread_queue_Disciplines discipline; /* queue discipline */ Thread_queue_Disciplines discipline; /* queue discipline */
States_Control state; /* state of threads on Thread_q */ States_Control state; /* state of threads on Thread_q */
unsigned32 timeout_status; unsigned32 timeout_status;
@@ -82,6 +94,19 @@ STATIC INLINE boolean _Thread_queue_Is_reverse_search (
Priority_Control the_priority Priority_Control the_priority
); );
/*
* _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> #include <rtems/score/tqdata.inl>
#ifdef __cplusplus #ifdef __cplusplus

25
c/src/exec/score/include/rtems/score/tqdata.h
View File

@@ -35,6 +35,17 @@ typedef enum {
THREAD_QUEUE_DISCIPLINE_PRIORITY /* PRIORITY queue discipline */ THREAD_QUEUE_DISCIPLINE_PRIORITY /* PRIORITY queue discipline */
} Thread_queue_Disciplines; } Thread_queue_Disciplines;
/*
* 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 * The following record defines the control block used
* to manage each thread. * to manage each thread.
@@ -49,6 +60,7 @@ typedef struct {
/* priority discipline list */ /* priority discipline list */
} Queues; } Queues;
boolean sync; /* alloc/dealloc critical section */ boolean sync; /* alloc/dealloc critical section */
Thread_queue_states sync_state; /* what happened while in sync */
Thread_queue_Disciplines discipline; /* queue discipline */ Thread_queue_Disciplines discipline; /* queue discipline */
States_Control state; /* state of threads on Thread_q */ States_Control state; /* state of threads on Thread_q */
unsigned32 timeout_status; unsigned32 timeout_status;
@@ -82,6 +94,19 @@ STATIC INLINE boolean _Thread_queue_Is_reverse_search (
Priority_Control the_priority Priority_Control the_priority
); );
/*
* _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> #include <rtems/score/tqdata.inl>
#ifdef __cplusplus #ifdef __cplusplus

25
cpukit/score/include/rtems/score/tqdata.h
View File

@@ -35,6 +35,17 @@ typedef enum {
THREAD_QUEUE_DISCIPLINE_PRIORITY /* PRIORITY queue discipline */ THREAD_QUEUE_DISCIPLINE_PRIORITY /* PRIORITY queue discipline */
} Thread_queue_Disciplines; } Thread_queue_Disciplines;
/*
* 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 * The following record defines the control block used
* to manage each thread. * to manage each thread.
@@ -49,6 +60,7 @@ typedef struct {
/* priority discipline list */ /* priority discipline list */
} Queues; } Queues;
boolean sync; /* alloc/dealloc critical section */ boolean sync; /* alloc/dealloc critical section */
Thread_queue_states sync_state; /* what happened while in sync */
Thread_queue_Disciplines discipline; /* queue discipline */ Thread_queue_Disciplines discipline; /* queue discipline */
States_Control state; /* state of threads on Thread_q */ States_Control state; /* state of threads on Thread_q */
unsigned32 timeout_status; unsigned32 timeout_status;
@@ -82,6 +94,19 @@ STATIC INLINE boolean _Thread_queue_Is_reverse_search (
Priority_Control the_priority Priority_Control the_priority
); );
/*
* _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> #include <rtems/score/tqdata.inl>
#ifdef __cplusplus #ifdef __cplusplus