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Add configuration option CONFIGURE_MAXIMUM_THREAD_NAME_SIZE.
Update #2858.
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Update #2858.
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Update #2858.
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Update #2858.
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Replace STATES_DELAYING with STATES_WAITING_FOR_TIME.
There is no need for separate timeout thread states. The
Thread_Control::Timer::header and Watchdog_Control::cpu members can be
used to figure out the kind of timeout.
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The CPU index starts with zero. Increment it by one, to allow global
SMP locks to reside in the BSS section.
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Add thread state bit to identify thread queues that are embedded in an
object with identifier.
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Specify all 32-bits in a thread state define.
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Update #2825.
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Update #2825.
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Update #2825.
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Update #2825.
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Update #2825.
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Update #2825.
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Update #2825.
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The fatal is internal indicator is redundant since the fatal source and
error code uniquely identify a fatal error. Keep the fatal user
extension is internal parameter for backward compatibility and set it to
false always.
Update #2825.
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Resurrect RTEMS_LINKER_SET_BEGIN() and RTEMS_LINKER_SET_END().
Add new macros RTEMS_LINKER_SET_ITEM_COUNT(),
RTEMS_LINKER_SET_IS_EMPTY(), and
RTEMS_LINKER_SET_FOREACH().
Remove confusing RTEMS_LINKER_SET_ASSIGN_BEGIN() and
RTEMS_LINKER_SET_ASSIGN_END().
Fix RTEMS_LINKER_SET_SIZE() to return the size in characters as
specified by the documentation.
Update #2408.
Update #2790.
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Initialize thread queue context early preferably outside the critical
section.
Remove implicit _Thread_queue_Context_initialize() from
_Thread_Wait_acquire().
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On ARM Thumb we may have function addresses ending with 0x7f, if we are
lucky.
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Initialize the thread queue context with invalid data in debug
configurations to catch missing set up steps.
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Move thread state for _Thread_queue_Enqueue() to the thread queue
context. This reduces the parameter count of _Thread_queue_Enqueue()
from five to four (ARM for example has only four function parameter
registers). Since the thread state is used after several function calls
inside _Thread_queue_Enqueue() this parameter was saved on the stack
previously.
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Callers of _Thread_Do_dispatch() must have a valid
Per_CPU_Control::Stats::thread_dispatch_disabled_instant.
Call _Profiling_Outer_most_interrupt_entry_and_exit() with the interrupt
stack to not exceed Per_CPU_Control::Interrupt_frame.
Update #2751.
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Update #2825.
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Update #2825.
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Turn pthread_spinlock_t into a self-contained object. On uni-processor
configurations, interrupts are disabled in the lock/trylock operations
and the previous interrupt status is restored in the corresponding
unlock operations. On SMP configurations, a ticket lock is a acquired
and released in addition.
The self-contained pthread_spinlock_t object is defined by Newlib in
<sys/_pthreadtypes.h>.
typedef struct {
struct _Ticket_lock_Control _lock;
__uint32_t _interrupt_state;
} pthread_spinlock_t;
This implementation is simple and efficient. However, this test case of
the Linux Test Project would fail due to call of printf() and sleep()
during spin lock ownership:
https://github.com/linux-test-project/ltp/blob/master/testcases/open_posix_testsuite/conformance/interfaces/pthread_spin_lock/1-2.c
There is only limited support for profiling on SMP configurations.
Delete CORE spinlock implementation.
Update #2674.
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Delete unused _Thread_queue_Enqueue() and rename
_Thread_queue_Enqueue_critical() to _Thread_queue_Enqueue().
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Replace the expected thread dispatch disable level with a thread queue
enqueue callout. This enables the use of _Thread_Dispatch_direct() in
the thread queue enqueue procedure. This avoids impossible exection
paths, e.g. Per_CPU_Control::dispatch_necessary is always true.
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On SMP configurations, it is a fatal error to call blocking operating
system with interrupts disabled, since this prevents delivery of
inter-processor interrupts. This could lead to executing threads which
are not allowed to execute resulting in undefined behaviour.
The ARM Cortex-M port has a similar problem, since the interrupt state
is not a part of the thread context.
Update #2811.
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This fixes the CPU ports with relaxed alignment restrictions, e.g. type
alignment is less than the type size.
Close #2822.
Close #2823.
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Close #2820.
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Avoid use of the stack for the hot paths.
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In contrast to _ISR_Get_level() the _ISR_Is_enabled() function evaluates
a level parameter and returns a boolean value.
Update #2811.
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Use a processor-specific interrupt frame during context switches in case
the executing thread is longer executes on the processor and the heir
thread is about to start execution. During this period we must not use
a thread stack for interrupt processing.
Update #2809.
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Update #2809.
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Update #2751.
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Update #2808.
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This function is useful for operations which synchronously block, e.g.
self restart, self deletion, yield, sleep. It helps to detect if these
operations are called in the wrong context. Since the thread dispatch
necessary indicator is not used, this is more robust in some SMP
situations.
Update #2751.
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The thread dispatch inline option is no longer used.
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Update #2797.
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Update #2797.
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Rename _Scheduler_Assignments into _Scheduler_Initial_assignments to
make it clear that they may not reflect the run-time scheduler
assignment.
Update #2797.
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