| Commit message (Collapse) | Author | Age | Files | Lines |
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Update #2797.
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Update #2423.
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Update #2556.
Update #2784.
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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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Update #2494.
Update #2555.
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This service was marked as deprecated long prior to the 4.11 release
series and is now being removed.
closes #2676.
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Update #2408.
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Update #2408.
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Update #2408.
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Update #2408.
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Update #2408.
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Update #2408.
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Update #2408.
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Update #2408.
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Update #2408.
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Update #2408.
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Update #2408.
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Notepads where a feature of RTEMS' tasks that simply functioned in
the same way as POSIX keys or threaded local storage (TLS). They were
introduced well before per task variables, which are also deprecated,
and were barely used in favor of their POSIX alternatives.
In addition to their scarce usage, Notepads took up unnecessary memory.
For each task:
- 16 32-bit integers were allocated.
- A total of 64 bytes per task per thread.
This is especially critical in low memory and safety-critical applications.
They are also defined as uint32_t, and therefore are not guaranteed to
hold a pointer.
Lastly, they are not portable solutions for SMP and uniprocessor systems,
like POSIX keys and TLS.
updates #2493.
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Replace timestamp implementation with FreeBSD bintime and timecounters.
New test sptests/sptimecounter02.
Update #2271.
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Add a thread wait timeout code. Replace _Event_Timeout() with a general
purpose _Thread_Timeout() watchdog handler.
Update #2273.
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Use the ISR lock of the thread object to protect the event state and
use the Giant lock only for the blocking operations.
Update #2273.
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Update documentation.
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Add basic support for the Multiprocessor Resource Sharing Protocol
(MrsP).
The Multiprocessor Resource Sharing Protocol (MrsP) is defined in A.
Burns and A.J. Wellings, A Schedulability Compatible Multiprocessor
Resource Sharing Protocol - MrsP, Proceedings of the 25th Euromicro
Conference on Real-Time Systems (ECRTS 2013), July 2013. It is a
generalization of the Priority Ceiling Protocol to SMP systems. Each
MrsP semaphore uses a ceiling priority per scheduler instance. These
ceiling priorities can be specified with rtems_semaphore_set_priority().
A task obtaining or owning a MrsP semaphore will execute with the
ceiling priority for its scheduler instance as specified by the MrsP
semaphore object. Tasks waiting to get ownership of a MrsP semaphore
will not relinquish the processor voluntarily. In case the owner of a
MrsP semaphore gets preempted it can ask all tasks waiting for this
semaphore to help out and temporarily borrow the right to execute on one
of their assigned processors.
The help out feature is not implemented with this patch.
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Make rtems_task_get_affinity() and rtems_task_set_affinity() available
on non-SMP configurations. Allow larger CPU sets.
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Rename rtems_smp_get_current_processor() in
rtems_get_current_processor(). Make rtems_get_current_processor() a
function in uni-processor configurations to enable ABI compatibility
with SMP configurations.
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Rename rtems_smp_get_processor_count() in rtems_get_processor_count().
Make rtems_get_processor_count() a function in uni-processor
configurations to enable ABI compatibility with SMP configurations.
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Per task variables are inherently unsafe in SMP systems. This
patch disables them from the build and adds warnings in the
appropriate documentation and configuration sections.
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Use allocator mutex for objects allocate/free. This prevents that the
thread dispatch latency depends on the workspace/heap fragmentation.
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Add the following methods:
+ rtems_task_get_affinity
+ rtems_task_set_affinity
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Rename rtems_internal_error_description() to
rtems_internal_error_text(). Rename rtems_fatal_source_description() to
rtems_fatal_source_text(). Rename rtems_status_code_description() to
rtems_status_text(). Remove previous implementation of
rtems_status_text().
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Add Timestamp support in the score to return a timestamp in nanoseconds.
Add a test.
Update the RTEMS API documentation.
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Move implementation specific parts of signal.h into new header file
signalimpl.h. The signal.h contains now only the application visible
API.
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Move implementation specific parts of tasks.h and tasks.inl into new
header file tasksimpl.h. The tasks.h contains now only the application
visible API.
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Move implementation specific parts of region.h and region.inl into new
header file regionimpl.h. The region.h contains now only the
application visible API.
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Move implementation specific parts of part.h and part.inl into new
header file partimpl.h. The part.h contains now only the application
visible API.
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Move implementation specific parts of timer.h and timer.inl into new
header file timerimpl.h. The timer.h contains now only the application
visible API.
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Move implementation specific parts of ratemon.h and ratemon.inl into
new header file ratemonimpl.h. The ratemon.h contains now only the
application visible API.
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Move implementation specific parts of dpmem.h and dpmem.inl into new
header file dpmemimpl.h. The dpmem.h contains now only the application
visible API.
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Move implementation specific parts of event.h, event.inl, eventset.h and
eventset.inl into new header file eventimpl.h. The event.h contains now
only the application visible API.
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Move implementation specific parts of asr.h and asr.inl into new header
file asrimpl.h. The asr.h contains now only the application visible
API.
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