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c-user: Rework glossary

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Define exactly one term per definition.  Use references for alternative
terms.  Add :term: text roles to acronym definitions of glossary defined
terms.

Update #3853.
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Sebastian Huber 2020-01-09 13:22:06 +01:00
parent d27e6304d0
commit 03facdaef8
1 changed files with 19 additions and 13 deletions
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c-user/glossary.rst
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@ -61,13 +61,15 @@ Glossary
To simultaneously send a message to a logical set of destinations.
Board Support Package
BSP
A collection of device initialization and control routines specific to a
particular type of board or collection of boards.
buffer
A fixed length block of memory allocated from a partition.
BSP
An acronym for :term:`Board Support Package`.
C11
The standard ISO/IEC 9899:2011.
@ -119,7 +121,7 @@ Glossary
of the executive should not be used directly by applications.
CPU
An acronym for Central Processing Unit.
An acronym for :term:`Central Processing Unit`.
critical section
A section of code which must be executed indivisibly.
@ -277,7 +279,7 @@ Glossary
An acronym for Input/Output.
ISR
An acronym for Interrupt Service Routine.
An acronym for :term:`Interrupt Service Routine`.
kernel
In this document, this term is used as a synonym for executive.
@ -346,7 +348,7 @@ Glossary
disable level used by the task.
MPCI
An acronym for Multiprocessor Communications Interface Layer.
An acronym for :term:`Multiprocessor Communications Interface Layer`.
multiprocessing
The simultaneous execution of two or more processes by a multiple
@ -489,10 +491,10 @@ Glossary
proxy.
PTCB
An acronym for Partition Control Block.
An acronym for :term:`Partition Control Block`.
PXCB
An acronym for Proxy Control Block.
An acronym for :term:`Proxy Control Block`.
quantum
The application defined unit of time in which the processor is allocated.
@ -501,7 +503,7 @@ Glossary
Alternate term for message queue.
QCB
An acronym for Message Queue Control Block.
An acronym for :term:`Message Queue Control Block`.
ready task
A task occupies this state when it is available to be given control of a
@ -554,7 +556,7 @@ Glossary
the directive.
RNCB
An acronym for Region Control Block.
An acronym for :term:`Region Control Block`.
round-robin
A task scheduling discipline in which tasks of equal priority are
@ -619,7 +621,7 @@ Glossary
pending signals and the signals sent to a task.
SMCB
An acronym for Semaphore Control Block.
An acronym for :term:`Semaphore Control Block`.
SMP
An acronym for Symmetric Multiprocessing.
@ -670,7 +672,6 @@ Glossary
An acronym for Test-And-Set.
task
thread
A logically complete thread of execution. It consists normally of a set
of registers and a stack. The scheduler assigns processors to a subset
of the ready tasks. The terms task and thread are synonym in RTEMS. The
@ -694,7 +695,10 @@ Glossary
processor from one task and given to another.
TCB
An acronym for Task Control Block.
An acronym for :term:`Task Control Block`.
thread
This term has the same meaning as :term:`task`.
thread dispatch
The thread dispatch transfers control of the processor from the currently
@ -735,7 +739,7 @@ Glossary
on the CPU port :cite:`RTEMS:CPU`.
TMCB
An acronym for Timer Control Block.
An acronym for :term:`Timer Control Block`.
transient overload
A temporary rise in system activity which may cause deadlines to be
@ -757,10 +761,12 @@ Glossary
the user initialization tasks.
user-provided
user-supplied
These terms are used to designate any software routines which must be
written by the application designer.
user-supplied
This term has the same meaning as :term:`user-provided`.
vector
Memory pointers used by the processor to fetch the address of routines
which will handle various exceptions and interrupts.