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RTEMS: Add user-defined name to thread queues 

Add a user-defined name to the self-contained synchronization objects in
order to make system diagnostics, tracing and debugging more user
friendly.

Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
This commit is contained in:
Sebastian Huber 2016-12-21 08:56:41 +01:00 committed by Corinna Vinschen
parent 838cfa352c
commit 69dabb3e30
1 changed files with 65 additions and 1 deletions
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66
newlib/libc/sys/rtems/include/sys/lock.h
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@ -46,6 +46,7 @@ struct _Thread_queue_Queue {
struct _Ticket_lock_Control _Lock;
struct _Thread_queue_Heads *_heads;
struct _Thread_Control *_owner;
const char *_name;
};
struct _Mutex_Control {
@ -72,18 +73,36 @@ struct _Futex_Control {
#define _TICKET_LOCK_INITIALIZER { 0, 0 }
#define _THREAD_QUEUE_INITIALIZER { _TICKET_LOCK_INITIALIZER, 0, 0 }
#define _THREAD_QUEUE_INITIALIZER { _TICKET_LOCK_INITIALIZER, 0, 0, 0 }
#define _THREAD_QUEUE_NAMED_INITIALIZER(_name) \
{ _TICKET_LOCK_INITIALIZER, 0, 0, _name }
#define _MUTEX_INITIALIZER { _THREAD_QUEUE_INITIALIZER }
#define _MUTEX_NAMED_INITIALIZER(_name) \
{ _THREAD_QUEUE_NAMED_INITIALIZER(_name) }
#define _MUTEX_RECURSIVE_INITIALIZER { _MUTEX_INITIALIZER, 0 }
#define _MUTEX_RECURSIVE_NAMED_INITIALIZER(_name) \
{ _MUTEX_NAMED_INITIALIZER(_name), 0 }
#define _CONDITION_INITIALIZER { _THREAD_QUEUE_INITIALIZER }
#define _CONDITION_NAMED_INITIALIZER(_name) \
{ _THREAD_QUEUE_NAMED_INITIALIZER(_name) }
#define _SEMAPHORE_INITIALIZER(_count) { _THREAD_QUEUE_INITIALIZER, _count }
#define _SEMAPHORE_NAMED_INITIALIZER(_name, _count) \
{ _THREAD_QUEUE_NAMED_INITIALIZER(_name), _count }
#define _FUTEX_INITIALIZER { _THREAD_QUEUE_INITIALIZER }
#define _FUTEX_NAMED_INITIALIZER(_name) \
{ _THREAD_QUEUE_NAMED_INITIALIZER(_name) }
static __inline void
_Mutex_Initialize(struct _Mutex_Control *_mutex)
{
@ -92,6 +111,14 @@ _Mutex_Initialize(struct _Mutex_Control *_mutex)
*_mutex = _init;
}
static __inline void
_Mutex_Initialize_named(struct _Mutex_Control *_mutex, const char *_name)
{
struct _Mutex_Control _init = _MUTEX_NAMED_INITIALIZER(_name);
*_mutex = _init;
}
void _Mutex_Acquire(struct _Mutex_Control *);
int _Mutex_Acquire_timed(struct _Mutex_Control *, const struct timespec *);
@ -115,6 +142,16 @@ _Mutex_recursive_Initialize(struct _Mutex_recursive_Control *_mutex)
*_mutex = _init;
}
static __inline void
_Mutex_recursive_Initialize_named(struct _Mutex_recursive_Control *_mutex,
const char *_name)
{
struct _Mutex_recursive_Control _init =
_MUTEX_RECURSIVE_NAMED_INITIALIZER(_name);
*_mutex = _init;
}
void _Mutex_recursive_Acquire(struct _Mutex_recursive_Control *);
int _Mutex_recursive_Acquire_timed(struct _Mutex_recursive_Control *,
@ -139,6 +176,15 @@ _Condition_Initialize(struct _Condition_Control *_cond)
*_cond = _init;
}
static __inline void
_Condition_Initialize_named(struct _Condition_Control *_cond,
const char *_name)
{
struct _Condition_Control _init = _CONDITION_NAMED_INITIALIZER(_name);
*_cond = _init;
}
void _Condition_Wait(struct _Condition_Control *, struct _Mutex_Control *);
int _Condition_Wait_timed(struct _Condition_Control *,
@ -170,6 +216,16 @@ _Semaphore_Initialize(struct _Semaphore_Control *_semaphore,
*_semaphore = _init;
}
static __inline void
_Semaphore_Initialize_named(struct _Semaphore_Control *_semaphore,
const char *_name, unsigned int _count)
{
struct _Semaphore_Control _init =
_SEMAPHORE_NAMED_INITIALIZER(_name, _count);
*_semaphore = _init;
}
void _Semaphore_Wait(struct _Semaphore_Control *);
void _Semaphore_Post(struct _Semaphore_Control *);
@ -189,6 +245,14 @@ _Futex_Initialize(struct _Futex_Control *_futex)
*_futex = _init;
}
static __inline void
_Futex_Initialize_named(struct _Futex_Control *_futex, const char *_name)
{
struct _Futex_Control _init = _FUTEX_NAMED_INITIALIZER(_name);
*_futex = _init;
}
int _Futex_Wait(struct _Futex_Control *, int *, int);
int _Futex_Wake(struct _Futex_Control *, int);