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Rework seize and surrender methods to use CORE_ceiling_mutex_Control.
This eliminates CORE_mutex_Disciplines.
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Add CORE_recursive_mutex_Control and CORE_ceiling_mutex_Control to avoid
the run-time evaluation of attributes to figure out how a particular
mutex methods should behave. Start with the no protocol variants. This
eliminates the CORE_MUTEX_DISCIPLINES_FIFO and
CORE_MUTEX_DISCIPLINES_PRIORITY disciplines.
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Avoid use of internal mutex methods for pthread_mutex_setprioceiling().
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Avoid use of internal mutex methods for condition variables.
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Due to the unified status codes, we can now use a common flush and
destroy method for semaphore and mutex variants.
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Due to the unified status codes, we can now use a common flush method
for semaphore and mutex variants.
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Remove superfluous support for simple binary semaphores. With this we
can get rid of the CORE_MUTEX_NESTING_BLOCKS variant.
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Replace the ISR lock in MRSP_Control with a thread queue. This
simplifies the Classic semaphore implementation. Only the lock part of
the thread queue is used.
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Move the safety check performed by
_CORE_mutex_Check_dispatch_for_seize() out of the performance critical
path and generalize it. Blocking on a thread queue with an unexpected
thread dispatch disabled level is illegal in all system states.
Add the expected thread dispatch disable level (which may be 1 or 2
depending on the operation) to Thread_queue_Context and use it in
_Thread_queue_Enqueue_critical().
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Add _Thread_queue_Context_set_MP_callout() to simplify
_Thread_queue_Context_initialize(). This makes it possible to more
easily add additional fields to Thread_queue_Context.
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Adjust thread queue layout according to Newlib. This makes it possible
to use the same implementation for <sys/lock.h> and CORE mutexes in the
future.
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Close #2695.
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Unify the status codes of the Classic and POSIX API to use the new enum
Status_Control. This eliminates the Thread_Control::Wait::timeout_code
field and the timeout parameter of _Thread_queue_Enqueue_critical() and
_MPCI_Send_request_packet(). It gets rid of the status code translation
tables and instead uses simple bit operations to get the status for a
particular API. This enables translation of status code constants at
compile time. Add _Thread_Wait_get_status() to avoid direct access of
thread internal data structures.
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Close #2721.
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Close #2720.
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Close #2719.
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Drop the multiprocessing (MP) dependent callout parameter from the
thread queue extract, dequeue, flush and unblock methods. Merge this
parameter with the lock context into new structure Thread_queue_Context.
This helps to gets rid of the conditionally compiled method call
helpers.
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Get rid of the mp_id parameter used for some thread queue methods. Use
THREAD_QUEUE_QUEUE_TO_OBJECT() instead.
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We must call the MP callout for proxies if we unblock them after a
thread queue extraction. This was missing in
_Thread_queue_Flush_critical(). Move thread remove timer and unblock
code to new function _Thread_Remove_timer_and_unblock().
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Account for the heap minimum block size.
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This change does not fix the printk format warnings rather
it ignores them.
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This change adds rtems_printf and related functions and wraps the
RTEMS print plugin support into a user API. All references to the
plugin are removed and replaced with the rtems_printer interface.
Printk and related functions are made to return a valid number of
characters formatted and output.
The function attribute to check printf functions has been added
to rtems_printf and printk. No changes to remove warrnings are part
of this patch set.
The testsuite has been moved over to the rtems_printer. The testsuite
has a mix of rtems_printer access and direct print control via the
tmacros.h header file. The support for begink/endk has been removed
as it served no purpose and only confused the code base. The testsuite
has not been refactored to use rtems_printf. This is future work.
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Close #2718.
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Delete unused parameter.
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Delete unused parameter.
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Uniformly use *_Get() to get an object by identifier with a lock
context.
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Rename _Objects_Get_local() into _Objects_Get(). Confusions with the
previous _Objects_Get() function are avoided since the Objects_Locations
parameter is gone.
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Delete now unused Objects_Locations.
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Use _Objects_Get_local() for _Semaphore_Get_interrupt_disable() to get
rid of the location parameter. Move remote object handling to semaphore
MPCI support.
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Use _Objects_Get_local() for _Message_queue_Get_interrupt_disable() to
get rid of the location parameter. Move remote object handling to
message queue MPCI support.
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Use _Objects_Get_local() for _Partition_Get() to get rid of the location
parameter. Move remote object handling to partition MPCI support.
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Use _RBTree_Insert_inline() for priority thread queues.
Update #2556.
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