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Correct the description of the ``count`` parameter of
rtems_message_queue_flush().
Update #4508.
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Move the definition of the top-level Classic API implementation group to
an implementation header file.
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Remove bogus return status from rtems_message_queue_receive(). Clarify
rtems_message_queue_flush().
Update #4508.
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Remove the duplicated description which is an out dated copy and paste
from the Classic API Guide. Instead, thoroughly document the individual
extensions.
Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Update #3899.
Update #3993.
Update #4513.
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The rtems_rate_monotonic_get_status() directive returns an arbitrary
number for the count of postponed jobs if it is called for a newly
created period object. Set the count of postponed jobs to zero during
object creation.
Close #4511.
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Update #4338.
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Split up rbtreenext.c since only _RBTree_Minimum() is used by the operating
system core services (thread queues and the EDF scheduler).
Change license to BSD-2-Clause according to file history and re-licensing
agreement.
Update #3053.
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This simplifies the implementation a bit. Declare _TOD_Days_to_date[] in
<rtems/score/todimpl.h>. Make _TOD_Days_per_month[] and
_TOD_Days_since_last_leap_year[] static.
Update #4338.
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Split up the multi line if statement into smaller parts.
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Limit the CLOCK_REALTIME setting to ensure that the CLOCK_REALTIME is defined
for a system uptime of at least 114 years.
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Move the TOD validation to the callers of _TOD_Set(). This avoids dead code in
case only rtems_clock_set() is used in an application because rtems_clock_set()
always calls _TOD_Set() with a valid time of day.
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Use _Watchdog_Ticks_per_second instead.
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The _Thread_Dispatch() function was customized over time and now the
work is done by _Thread_Do_dispatch() and specialized wrappers. The
plain _Thread_Dispatch() is now only used in some CPU ports. Move it to
a separate file to avoid dead code in the general.
Change license to BSD-2-Clause according to file history and
re-licensing agreement.
Update #3053.
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This makes it similar to T_push_fixture().
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In _Thread_queue_Flush_critical(), update the priority of the thread
queue owner only if necessary. The scheduler update priority operation
could be expensive.
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This function was only used in one place. Replace it with a call to
_Thread_queue_Resume().
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The _Thread_queue_First_locked() was only used in one place. Move the code of
this inline function to this place.
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In order to ensure FIFO fairness across schedulers, the thread queue
surrender operation must be used to dequeue a thread from the thread
queue. The thread queue extract operation is intended for timeouts.
Add _Thread_queue_Resume() which may be used to make extracted or
surrendered threads ready again.
Remove the now unused _Thread_queue_Extract_critical() function.
Close #4509.
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The priority queues in clustered scheduling configurations use a per
scheduler priority queue rotation to ensure FIFO fairness across
schedulers. This mechanism is implemented in the thread queue surrender
operation. Unfortunately some semaphore and message queue directives
used wrongly the thread queue extract operation. Fix this through the
use of _Thread_queue_Surrender().
Update #4358.
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The behaviour of the futex operations is defined by Linux:
https://man7.org/linux/man-pages/man2/futex.2.html
Use EAGIN instead of EWOULDBLOCK to be in line with the Linux man page.
These error numbers have the same value in Newlib. Using the same error
numbers helps to avoid confusion.
When you look at the history of the Linux man page you see that they
replaced EWOULDBLOCK with EAGAIN over time. At the time of the RTEMS
futex implementation they used EWOULDBLOCK.
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Replace call to removed _Partition_Free() with a call to _Objects_Free().
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- Support all possible descriptors in a select call. Borrowed
from Christain and his mDNS change in LibBSD
- If select (or poll) fails pause for a bit rather than
locking up in a hard loop
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Closes #3373
confstr() style update
Signed-off-by: Eshan Dhawan <eshandhawan51@gmail.com>
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This helps to write tests for _Thread_Wait_for_execution_stop().
Rename Thread_Zombie_control in Thread_Zombie_registry.
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The _SMP_Fatal() is a no-return function, so the "break" statement is
superfluous.
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Online processors have a scheduler assigned.
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The NULL pointer check for the executing thread was introduced by
commit:
commit be3c257286ad870d8d1a64941cde53fd2d33a633
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Thu Jun 5 11:17:26 2014 +0200
score: Avoid NULL pointer access
Check that the executing thread is not NULL in _Scheduler_Tick(). It
may be NULL in case the processor has an optional scheduler assigned and
the system was not able to start the processor.
However, it is no longer necessary since now the clock interrupt is
distributed to the online processors.
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In SMP configurations, on 64-bit architectures use plain atomic
operations to set/get the priority value of a scheduler node. On 32-bit
architectures use an ISR lock. Using a sequence lock has no real
benefit since it uses atomic read-modify-write operations for both the
read and the write lock. Simply use a ticket lock instead so that only
one SMP synchronization primitive is used for everything.
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Use the new Priority_Group_order enum instead of a boolean to indicated if a
priority should be inserted as the first or last node into its priority group.
This makes the code more expressive. It is also a bit more efficient since a
branch in _Scheduler_Node_set_priority() is avoided and a simple bitwise or
operation can be used.
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The rtems_partition_return_buffer() wrongly accepted which were exactly
at the buffer area end. Use the buffer area limit address for the range
checking.
Close #4490.
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the timer_create() method can use CLOCK_MONOTONIC
but there was no test for this.
Also it implements the functionality to
create a CLOCK_MONOTONIC timer and gettime() .
Closes #3888
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Cloning under Cygwin turned off executable permission on these
files. This shows them as modified even though they have not
explicitly been touched. Executable permission should not have
been on for these files so this is just a minor clean up.
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Change license to BSD-2-Clause according to file histories and
documentation re-licensing agreement.
Place the group into the I/O Manager group. Add all source files to the
group.
Update #3899.
Update #3993.
Update #4482.
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Use the processor control to specify the target processor since this is what
the callers have available.
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Split up the SMP multicast action module since the use of the SMP multicast
action variants depend on the architecture and BSP.
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Move _CPU_Fatal_halt() declaration to <rtems/score/cpuimpl.h> and make sure it
is a proper declaration of a function which does not return. Fix the type of
the error code. If necessary, add the implementation to cpu.c. Implementing
_CPU_Fatal_halt() as a function makes it possible to wrap this function for
example to fully test _Terminate().
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Add percpujobs.c to contain the per-CPU jobs implementation.
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