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rtems-bsd-mutex: Update due to API changes

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This commit is contained in:
Sebastian Huber 2016-06-28 08:32:30 +02:00
parent b6c170f713
commit bf7faad356
3 changed files with 20 additions and 23 deletions
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5
rtemsbsd/include/machine/rtems-bsd-mutex.h
View File

@ -7,7 +7,7 @@
*/ */
/* /*
* Copyright (c) 2014, 2015 embedded brains GmbH. All rights reserved. * Copyright (c) 2014, 2016 embedded brains GmbH. All rights reserved.
* *
* embedded brains GmbH * embedded brains GmbH
* Dornierstr. 4 * Dornierstr. 4
@ -48,8 +48,7 @@ extern "C" {
#endif /* __cplusplus */ #endif /* __cplusplus */
typedef struct { typedef struct {
Thread_queue_Queue queue; Thread_queue_Control queue;
Thread_Control *owner;
int nest_level; int nest_level;
} rtems_bsd_mutex; } rtems_bsd_mutex;

21
rtemsbsd/include/machine/rtems-bsd-muteximpl.h
View File

@ -8,7 +8,7 @@
*/ */
/* /*
* Copyright (c) 2014, 2015 embedded brains GmbH. All rights reserved. * Copyright (c) 2014, 2016 embedded brains GmbH. All rights reserved.
* *
* embedded brains GmbH * embedded brains GmbH
* Dornierstr. 4 * Dornierstr. 4
@ -58,7 +58,6 @@ rtems_bsd_mutex_init(struct lock_object *lock, rtems_bsd_mutex *m,
struct lock_class *class, const char *name, const char *type, int flags) struct lock_class *class, const char *name, const char *type, int flags)
{ {
_Thread_queue_Initialize(&m->queue); _Thread_queue_Initialize(&m->queue);
m->owner = NULL;
m->nest_level = 0; m->nest_level = 0;
lock_init(lock, class, name, type, flags); lock_init(lock, class, name, type, flags);
@ -78,11 +77,11 @@ rtems_bsd_mutex_lock(struct lock_object *lock, rtems_bsd_mutex *m)
_Thread_queue_Context_initialize(&queue_context); _Thread_queue_Context_initialize(&queue_context);
_Thread_queue_Acquire(&m->queue, &queue_context.Lock_context); _Thread_queue_Acquire(&m->queue, &queue_context.Lock_context);
owner = m->owner; owner = m->queue.Queue.owner;
executing = _Thread_Executing; executing = _Thread_Executing;
if (__predict_true(owner == NULL)) { if (__predict_true(owner == NULL)) {
m->owner = executing; m->queue.Queue.owner = executing;
++executing->resource_count; ++executing->resource_count;
_Thread_queue_Release(&m->queue, &queue_context.Lock_context); _Thread_queue_Release(&m->queue, &queue_context.Lock_context);
@ -103,11 +102,11 @@ rtems_bsd_mutex_trylock(struct lock_object *lock, rtems_bsd_mutex *m)
_Thread_queue_Context_initialize(&queue_context); _Thread_queue_Context_initialize(&queue_context);
_Thread_queue_Acquire(&m->queue, &queue_context.Lock_context); _Thread_queue_Acquire(&m->queue, &queue_context.Lock_context);
owner = m->owner; owner = m->queue.Queue.owner;
executing = _Thread_Executing; executing = _Thread_Executing;
if (owner == NULL) { if (owner == NULL) {
m->owner = executing; m->queue.Queue.owner = executing;
++executing->resource_count; ++executing->resource_count;
success = 1; success = 1;
} else if (owner == executing) { } else if (owner == executing) {
@ -138,7 +137,7 @@ rtems_bsd_mutex_unlock(rtems_bsd_mutex *m)
_Thread_queue_Acquire(&m->queue, &queue_context.Lock_context); _Thread_queue_Acquire(&m->queue, &queue_context.Lock_context);
nest_level = m->nest_level; nest_level = m->nest_level;
owner = m->owner; owner = m->queue.Queue.owner;
BSD_ASSERT(owner == _Thread_Executing); BSD_ASSERT(owner == _Thread_Executing);
@ -155,11 +154,11 @@ rtems_bsd_mutex_unlock(rtems_bsd_mutex *m)
*/ */
_Atomic_Fence( ATOMIC_ORDER_ACQ_REL ); _Atomic_Fence( ATOMIC_ORDER_ACQ_REL );
heads = m->queue.heads; heads = m->queue.Queue.heads;
keep_priority = _Thread_Owns_resources(owner) keep_priority = _Thread_Owns_resources(owner)
|| !owner->priority_restore_hint; || !owner->priority_restore_hint;
m->owner = NULL; m->queue.Queue.owner = NULL;
if (__predict_true(heads == NULL && keep_priority)) { if (__predict_true(heads == NULL && keep_priority)) {
_Thread_queue_Release(&m->queue, &queue_context.Lock_context); _Thread_queue_Release(&m->queue, &queue_context.Lock_context);
@ -179,7 +178,7 @@ static inline int
rtems_bsd_mutex_owned(rtems_bsd_mutex *m) rtems_bsd_mutex_owned(rtems_bsd_mutex *m)
{ {
return (m->owner == _Thread_Get_executing()); return (m->queue.Queue.owner == _Thread_Get_executing());
} }
static inline int static inline int
@ -192,7 +191,7 @@ rtems_bsd_mutex_recursed(rtems_bsd_mutex *m)
static inline void static inline void
rtems_bsd_mutex_destroy(struct lock_object *lock, rtems_bsd_mutex *m) rtems_bsd_mutex_destroy(struct lock_object *lock, rtems_bsd_mutex *m)
{ {
BSD_ASSERT(m->queue.heads == NULL); BSD_ASSERT(m->queue.Queue.heads == NULL);
if (rtems_bsd_mutex_owned(m)) { if (rtems_bsd_mutex_owned(m)) {
m->nest_level = 0; m->nest_level = 0;

17
rtemsbsd/rtems/rtems-kernel-muteximpl.c
View File

@ -7,7 +7,7 @@
*/ */
/* /*
* Copyright (c) 2014, 2015 embedded brains GmbH. All rights reserved. * Copyright (c) 2014, 2016 embedded brains GmbH. All rights reserved.
* *
* embedded brains GmbH * embedded brains GmbH
* Dornierstr. 4 * Dornierstr. 4
@ -43,7 +43,7 @@
#include <rtems/score/schedulerimpl.h> #include <rtems/score/schedulerimpl.h>
#include <rtems/score/threadqimpl.h> #include <rtems/score/threadqimpl.h>
#define BSD_MUTEX_TQ_OPERATIONS &_Thread_queue_Operations_priority #define BSD_MUTEX_TQ_OPERATIONS &_Thread_queue_Operations_priority_inherit
void void
rtems_bsd_mutex_lock_more(struct lock_object *lock, rtems_bsd_mutex *m, rtems_bsd_mutex_lock_more(struct lock_object *lock, rtems_bsd_mutex *m,
@ -56,15 +56,14 @@ rtems_bsd_mutex_lock_more(struct lock_object *lock, rtems_bsd_mutex *m,
_Thread_queue_Release(&m->queue, &queue_context->Lock_context); _Thread_queue_Release(&m->queue, &queue_context->Lock_context);
} else { } else {
/* Priority inheritance */
_Thread_Raise_priority(owner, executing->current_priority);
++executing->resource_count; ++executing->resource_count;
_Thread_queue_Context_set_expected_level(queue_context, 1); _Thread_queue_Context_set_expected_level(queue_context, 1);
_Thread_queue_Context_set_no_timeout(queue_context); _Thread_queue_Context_set_no_timeout(queue_context);
_Thread_queue_Enqueue_critical(&m->queue, _Thread_queue_Context_set_deadlock_callout(queue_context,
_Thread_queue_Deadlock_fatal);
_Thread_queue_Enqueue_critical(&m->queue.Queue,
BSD_MUTEX_TQ_OPERATIONS, executing, BSD_MUTEX_TQ_OPERATIONS, executing,
STATES_WAITING_FOR_MUTEX, queue_context); STATES_WAITING_FOR_SYS_LOCK_MUTEX, queue_context);
} }
} }
@ -79,8 +78,8 @@ rtems_bsd_mutex_unlock_more(rtems_bsd_mutex *m, Thread_Control *owner,
operations = BSD_MUTEX_TQ_OPERATIONS; operations = BSD_MUTEX_TQ_OPERATIONS;
new_owner = ( *operations->first )( heads ); new_owner = ( *operations->first )( heads );
m->owner = new_owner; m->queue.Queue.owner = new_owner;
_Thread_queue_Extract_critical(&m->queue, operations, _Thread_queue_Extract_critical(&m->queue.Queue, operations,
new_owner, queue_context); new_owner, queue_context);
} else { } else {
_Thread_queue_Release(&m->queue, &queue_context->Lock_context); _Thread_queue_Release(&m->queue, &queue_context->Lock_context);