rtems/rtems-libbsd
1
0
Fork 0
mirror of https://git.rtems.org/rtems-libbsd/ synced 2025-10-16 10:09:24 +08:00
Code Issues Packages Projects Releases Wiki Activity

rtems-bsd-mutex: Update due to API changes

Browse Source
This commit is contained in:
Sebastian Huber
2016-05-25 13:09:58 +02:00
parent d8e6b4c170
commit 9546d905c2
2 changed files with 23 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
rtemsbsd/include/machine/rtems-bsd-muteximpl.h
View File

@@ -66,16 +66,17 @@ rtems_bsd_mutex_init(struct lock_object *lock, rtems_bsd_mutex *m,
void rtems_bsd_mutex_lock_more(struct lock_object *lock, rtems_bsd_mutex *m,
Thread_Control *owner, Thread_Control *executing,
ISR_lock_Context *lock_context);
Thread_queue_Context *queue_context);
static inline void
rtems_bsd_mutex_lock(struct lock_object *lock, rtems_bsd_mutex *m)
{
ISR_lock_Context lock_context;
Thread_queue_Context queue_context;
Thread_Control *executing;
Thread_Control *owner;
_Thread_queue_Acquire(&m->queue, &lock_context);
_Thread_queue_Context_initialize(&queue_context, NULL);
_Thread_queue_Acquire(&m->queue, &queue_context.Lock_context);
owner = m->owner;
executing = _Thread_Executing;
@@ -84,10 +85,10 @@ rtems_bsd_mutex_lock(struct lock_object *lock, rtems_bsd_mutex *m)
m->owner = executing;
++executing->resource_count;
_Thread_queue_Release(&m->queue, &lock_context);
_Thread_queue_Release(&m->queue, &queue_context.Lock_context);
} else {
rtems_bsd_mutex_lock_more(lock, m, owner, executing,
&lock_context);
&queue_context);
}
}
@@ -95,11 +96,12 @@ static inline int
rtems_bsd_mutex_trylock(struct lock_object *lock, rtems_bsd_mutex *m)
{
int success;
ISR_lock_Context lock_context;
Thread_queue_Context queue_context;
Thread_Control *executing;
Thread_Control *owner;
_Thread_queue_Acquire(&m->queue, &lock_context);
_Thread_queue_Context_initialize(&queue_context, NULL);
_Thread_queue_Acquire(&m->queue, &queue_context.Lock_context);
owner = m->owner;
executing = _Thread_Executing;
@@ -116,23 +118,24 @@ rtems_bsd_mutex_trylock(struct lock_object *lock, rtems_bsd_mutex *m)
success = 0;
}
_Thread_queue_Release(&m->queue, &lock_context);
_Thread_queue_Release(&m->queue, &queue_context.Lock_context);
return (success);
}
void rtems_bsd_mutex_unlock_more(rtems_bsd_mutex *m, Thread_Control *owner,
int keep_priority, Thread_queue_Heads *heads,
ISR_lock_Context *lock_context);
Thread_queue_Context *queue_context);
static inline void
rtems_bsd_mutex_unlock(rtems_bsd_mutex *m)
{
ISR_lock_Context lock_context;
Thread_queue_Context queue_context;
Thread_Control *owner;
int nest_level;
_Thread_queue_Acquire(&m->queue, &lock_context);
_Thread_queue_Context_initialize(&queue_context, NULL);
_Thread_queue_Acquire(&m->queue, &queue_context.Lock_context);
nest_level = m->nest_level;
owner = m->owner;
@@ -159,16 +162,16 @@ rtems_bsd_mutex_unlock(rtems_bsd_mutex *m)
m->owner = NULL;
if (__predict_true(heads == NULL && keep_priority)) {
_Thread_queue_Release(&m->queue, &lock_context);
_Thread_queue_Release(&m->queue, &queue_context.Lock_context);
} else {
rtems_bsd_mutex_unlock_more(m, owner, keep_priority,
heads, &lock_context);
heads, &queue_context);
}
} else {
m->nest_level = nest_level - 1;
_Thread_queue_Release(&m->queue, &lock_context);
_Thread_queue_Release(&m->queue, &queue_context.Lock_context);
}
}