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c-user: Document CONFIGURE_INIT

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Sebastian Huber 2023-02-14 16:06:12 +01:00
parent e9603bfb7c
commit 79d05f58d7
2 changed files with 38 additions and 2 deletions
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38
c-user/config/general.rst
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@ -1,6 +1,6 @@
.. SPDX-License-Identifier: CC-BY-SA-4.0 .. SPDX-License-Identifier: CC-BY-SA-4.0
.. Copyright (C) 2020, 2021 embedded brains GmbH (http://www.embedded-brains.de) .. Copyright (C) 2020, 2023 embedded brains GmbH (http://www.embedded-brains.de)
.. Copyright (C) 1988, 2022 On-Line Applications Research Corporation (OAR) .. Copyright (C) 1988, 2022 On-Line Applications Research Corporation (OAR)
.. This file is part of the RTEMS quality process and was automatically .. This file is part of the RTEMS quality process and was automatically
@ -253,6 +253,42 @@ The following constraints apply to this configuration option:
overflow an integer of type `uintptr_t overflow an integer of type `uintptr_t
<https://en.cppreference.com/w/c/types/integer>`_. <https://en.cppreference.com/w/c/types/integer>`_.
.. Generated from spec:/acfg/if/init
.. raw:: latex
\clearpage
.. index:: CONFIGURE_INIT
.. _CONFIGURE_INIT:
CONFIGURE_INIT
--------------
.. rubric:: CONSTANT:
``CONFIGURE_INIT``
.. rubric:: OPTION TYPE:
This configuration option is a boolean feature define.
.. rubric:: DEFAULT CONFIGURATION:
There is no default configuration associated with this configuration option.
If ``<rtems/confdefs.h>`` is included and this configuration option is not
defined, then only white space is included.
.. rubric:: DESCRIPTION:
While this configuration option is defined, when the ``<rtems/confdefs.h>``
is included, the system settings defined by present application configuration
options are statically allocated and initialized. All user provided
application configuration options defined before the include of
``<rtems/confdefs.h>`` are evaluated. They define the actual system
settings.
.. Generated from spec:/acfg/if/initial-extensions .. Generated from spec:/acfg/if/initial-extensions
.. raw:: latex .. raw:: latex

2
c-user/config/intro.rst
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@ -170,7 +170,7 @@ of these are as follows:
message queue will have up to twenty (20) messages of type ``struct message queue will have up to twenty (20) messages of type ``struct
USER_MESSAGE``. USER_MESSAGE``.
- The ``CONFIGURE_INIT`` constant must be defined in order to make - The :ref:`CONFIGURE_INIT` constant must be defined in order to make
``<rtems/confdefs.h>`` instantiate the configuration data structures. This ``<rtems/confdefs.h>`` instantiate the configuration data structures. This
can only be defined in one source file per application that includes can only be defined in one source file per application that includes
``<rtems/confdefs.h>`` or the symbol table will be instantiated multiple ``<rtems/confdefs.h>`` or the symbol table will be instantiated multiple