doc: posix: options: explicitly note kconfig options

Note which Kconfig options activate which POSIX Options
and Option Groups.

Signed-off-by: Chris Friedt <cfriedt@tenstorrent.com>

Author: cfriedt

doc/services/portability/posix/option_groups/index.rst

@@ -11,6 +11,8 @@ POSIX Option Groups
 POSIX_BARRIERS
 ++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_BARRIERS`.
+
 .. csv-table:: POSIX_BARRIERS
    :header: API, Supported
    :widths: 50,10
@@ -75,6 +77,8 @@ to :ref:`details<language_support>`.
 POSIX_C_LIB_EXT
 +++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_C_LIB_EXT`.
+
 .. csv-table:: POSIX_C_LIB_EXT
    :header: API, Supported
    :widths: 50,10
@@ -100,6 +104,8 @@ POSIX_C_LIB_EXT
 POSIX_CLOCK_SELECTION
 +++++++++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_CLOCK_SELECTION`.
+
 .. csv-table:: POSIX_CLOCK_SELECTION
    :header: API, Supported
    :widths: 50,10
@@ -113,6 +119,8 @@ POSIX_CLOCK_SELECTION
 POSIX_DEVICE_IO
 +++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_DEVICE_IO`.
+
 .. csv-table:: POSIX_DEVICE_IO
    :header: API, Supported
    :widths: 50,10
@@ -172,7 +180,7 @@ POSIX_DEVICE_IO
 POSIX_FD_MGMT
 +++++++++++++
 
-This table lists service support status in Zephyr for `POSIX_FD_MGMT`:
+Enable this option group with :kconfig:option:`CONFIG_POSIX_FD_MGMT`.
 
 .. csv-table:: POSIX_FD_MGMT
    :header: API, Supported
@@ -196,8 +204,6 @@ This table lists service support status in Zephyr for `POSIX_FD_MGMT`:
 POSIX_FILE_LOCKING
 ++++++++++++++++++
 
-This table lists service support status in Zephyr for `POSIX_FD_MGMT`:
-
 .. csv-table:: POSIX_FILE_LOCKING
    :header: API, Supported
    :widths: 50,10
@@ -215,6 +221,8 @@ This table lists service support status in Zephyr for `POSIX_FD_MGMT`:
 POSIX_FILE_SYSTEM
 +++++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_FILE_SYSTEM`.
+
 .. csv-table:: POSIX_FILE_SYSTEM
    :header: API, Supported
    :widths: 50,10
@@ -251,6 +259,8 @@ POSIX_FILE_SYSTEM
 POSIX_MAPPED_FILES
 ++++++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_MAPPED_FILES`.
+
 .. csv-table:: POSIX_MAPPED_FILES
    :header: API, Supported
    :widths: 50,10
@@ -264,6 +274,8 @@ POSIX_MAPPED_FILES
 POSIX_MEMORY_PROTECTION
 +++++++++++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_MEMORY_PROTECTION`.
+
 .. csv-table:: POSIX_MEMORY_PROTECTION
    :header: API, Supported
    :widths: 50,10
@@ -275,6 +287,8 @@ POSIX_MEMORY_PROTECTION
 POSIX_MULTI_PROCESS
 +++++++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_MULTI_PROCESS`.
+
 .. csv-table:: POSIX_MULTI_PROCESS
    :header: API, Supported
    :widths: 50,10
@@ -312,6 +326,8 @@ POSIX_NETWORKING
 The function ``sockatmark()`` is not yet supported and is expected to fail setting ``errno``
 to ``ENOSYS`` :ref:`†<posix_undefined_behaviour>`.
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_NETWORKING`.
+
 .. csv-table:: POSIX_NETWORKING
    :header: API, Supported
    :widths: 50,10
@@ -386,6 +402,8 @@ POSIX_PIPE
 POSIX_REALTIME_SIGNALS
 ++++++++++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_REALTIME_SIGNALS`.
+
 .. csv-table:: POSIX_REALTIME_SIGNALS
    :header: API, Supported
    :widths: 50,10
@@ -399,6 +417,8 @@ POSIX_REALTIME_SIGNALS
 POSIX_SEMAPHORES
 ++++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_SEMAPHORES`.
+
 .. csv-table:: POSIX_SEMAPHORES
    :header: API, Supported
    :widths: 50,10
@@ -433,6 +453,8 @@ POSIX_SIGNALS
 Signal services are a basic mechanism within POSIX-based systems and are
 required for error and event handling.
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_SIGNALS`.
+
 .. csv-table:: POSIX_SIGNALS
    :header: API, Supported
    :widths: 50,10
@@ -463,6 +485,8 @@ POSIX_SINGLE_PROCESS
 The POSIX_SINGLE_PROCESS option group contains services for single
 process applications.
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_SINGLE_PROCESS`.
+
 .. csv-table:: POSIX_SINGLE_PROCESS
    :header: API, Supported
    :widths: 50,10
@@ -481,6 +505,8 @@ process applications.
 POSIX_SPIN_LOCKS
 ++++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_SPIN_LOCKS`.
+
 .. csv-table:: POSIX_SPIN_LOCKS
    :header: API, Supported
    :widths: 50,10
@@ -501,6 +527,8 @@ consists of a single (implicit) process with multiple threads. Therefore, the
 standard requires all basic thread services, except those related to
 multiple processes.
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_THREADS`.
+
 .. csv-table:: POSIX_THREADS_BASE
    :header: API, Supported
    :widths: 50,10
@@ -559,7 +587,7 @@ multiple processes.
 POSIX_THREADS_EXT
 +++++++++++++++++
 
-This table lists service support status in Zephyr:
+Enable this option group with :kconfig:option:`CONFIG_POSIX_THREADS_EXT`.
 
 .. csv-table:: POSIX_THREADS_EXT
    :header: API, Supported
@@ -575,6 +603,8 @@ This table lists service support status in Zephyr:
 POSIX_TIMERS
 ++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_POSIX_TIMERS`.
+
 .. csv-table:: POSIX_TIMERS
    :header: API, Supported
    :widths: 50,10
@@ -594,6 +624,8 @@ POSIX_TIMERS
 XSI_SYSTEM_LOGGING
 ++++++++++++++++++
 
+Enable this option group with :kconfig:option:`CONFIG_XSI_SYSTEM_LOGGING`.
+
 .. csv-table:: XSI_SYSTEM_LOGGING
    :header: API, Supported
    :widths: 50,10
@@ -612,7 +644,7 @@ The XSI_THREADS_EXT option group is required because it provides
 functions to control a thread's stack. This is considered useful for any
 real-time application.
 
-This table lists service support status in Zephyr:
+Enable this option group with :kconfig:option:`CONFIG_XSI_THREADS_EXT`.
 
 .. csv-table:: XSI_THREADS_EXT
    :header: API, Supported
@@ -637,6 +669,8 @@ Functions part of the ``_POSIX_ASYNCHRONOUS_IO`` Option are not implemented in Z
 provided so that conformant applications can still link. These functions will fail, setting
 ``errno`` to ``ENOSYS``:ref:`†<posix_undefined_behaviour>`.
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_ASYNCHRONOUS_IO`.
+
 .. csv-table:: _POSIX_ASYNCHRONOUS_IO
    :header: API, Supported
    :widths: 50,10
@@ -655,6 +689,8 @@ provided so that conformant applications can still link. These functions will fa
 _POSIX_CPUTIME
 ++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_CPUTIME`.
+
 .. csv-table:: _POSIX_CPUTIME
    :header: API, Supported
    :widths: 50,10
@@ -666,6 +702,8 @@ _POSIX_CPUTIME
 _POSIX_FSYNC
 ++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_FSYNC`.
+
 .. csv-table:: _POSIX_FSYNC
    :header: API, Supported
    :widths: 50,10
@@ -681,6 +719,8 @@ Internet Protocol Version 6 is supported.
 
 For more information, please refer to :ref:`Networking <networking>`.
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_IPV6`.
+
 .. _posix_option_memlock:
 
 _POSIX_MEMLOCK
@@ -690,6 +730,8 @@ Zephyr's :ref:`Demand Paging API <memory_management_api_demand_paging>` does not
 pinning or unpinning all virtual memory regions. The functions below are expected to fail and
 set ``errno`` to ``ENOSYS`` :ref:`†<posix_undefined_behaviour>`.
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_MEMLOCK`.
+
 .. csv-table:: _POSIX_MEMLOCK
    :header: API, Supported
    :widths: 50,10
@@ -702,6 +744,8 @@ set ``errno`` to ``ENOSYS`` :ref:`†<posix_undefined_behaviour>`.
 _POSIX_MEMLOCK_RANGE
 ++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_MEMLOCK_RANGE`.
+
 .. csv-table:: _POSIX_MEMLOCK_RANGE
    :header: API, Supported
    :widths: 50,10
@@ -714,6 +758,8 @@ _POSIX_MEMLOCK_RANGE
 _POSIX_MESSAGE_PASSING
 ++++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_MESSAGE_PASSING`.
+
 .. csv-table:: _POSIX_MESSAGE_PASSING
    :header: API, Supported
    :widths: 50,10
@@ -732,6 +778,8 @@ _POSIX_MESSAGE_PASSING
 _POSIX_MONOTONIC_CLOCK
 ++++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_MONOTONIC_CLOCK`.
+
 .. csv-table:: _POSIX_MONOTONIC_CLOCK
    :header: API, Supported
    :widths: 50,10
@@ -747,6 +795,8 @@ As processes are not yet supported in Zephyr, the functions ``sched_rr_get_inter
 ``sched_setparam()``, and ``sched_setscheduler()`` are expected to fail setting ``errno``
 to ``ENOSYS``:ref:`†<posix_undefined_behaviour>`.
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_PRIORITY_SCHEDULING`.
+
 .. csv-table:: _POSIX_PRIORITY_SCHEDULING
    :header: API, Supported
    :widths: 50,10
@@ -769,11 +819,15 @@ Raw sockets are supported.
 
 For more information, please refer to :kconfig:option:`CONFIG_NET_SOCKETS_PACKET`.
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_RAW_SOCKETS`.
+
 .. _posix_option_reader_writer_locks:
 
 _POSIX_READER_WRITER_LOCKS
 ++++++++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_READER_WRITER_LOCKS`.
+
 .. csv-table:: _POSIX_READER_WRITER_LOCKS
    :header: API, Supported
    :widths: 50,10
@@ -795,6 +849,8 @@ _POSIX_READER_WRITER_LOCKS
 _POSIX_SHARED_MEMORY_OBJECTS
 ++++++++++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_SHARED_MEMORY_OBJECTS`.
+
 .. csv-table:: _POSIX_SHARED_MEMORY_OBJECTS
    :header: API, Supported
    :widths: 50,10
@@ -809,6 +865,8 @@ _POSIX_SHARED_MEMORY_OBJECTS
 _POSIX_SYNCHRONIZED_IO
 ++++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_SYNCHRONIZED_IO`.
+
 .. csv-table:: _POSIX_SYNCHRONIZED_IO
    :header: API, Supported
    :widths: 50,10
@@ -822,6 +880,8 @@ _POSIX_SYNCHRONIZED_IO
 _POSIX_THREAD_ATTR_STACKADDR
 ++++++++++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_THREAD_ATTR_STACKADDR`.
+
 .. csv-table:: _POSIX_THREAD_ATTR_STACKADDR
    :header: API, Supported
    :widths: 50,10
@@ -834,6 +894,8 @@ _POSIX_THREAD_ATTR_STACKADDR
 _POSIX_THREAD_ATTR_STACKSIZE
 ++++++++++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_THREAD_ATTR_STACKSIZE`.
+
 .. csv-table:: _POSIX_THREAD_ATTR_STACKSIZE
    :header: API, Supported
    :widths: 50,10
@@ -846,6 +908,8 @@ _POSIX_THREAD_ATTR_STACKSIZE
 _POSIX_THREAD_CPUTIME
 +++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_THREAD_CPUTIME`.
+
 .. csv-table:: _POSIX_THREAD_CPUTIME
    :header: API, Supported
    :widths: 50,10
@@ -858,6 +922,8 @@ _POSIX_THREAD_CPUTIME
 _POSIX_THREAD_PRIO_INHERIT
 ++++++++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_THREAD_PRIO_INHERIT`.
+
 .. csv-table:: _POSIX_THREAD_PRIO_INHERIT
    :header: API, Supported
    :widths: 50,10
@@ -870,6 +936,8 @@ _POSIX_THREAD_PRIO_INHERIT
 _POSIX_THREAD_PRIO_PROTECT
 ++++++++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_THREAD_PRIO_PROTECT`.
+
 .. csv-table:: _POSIX_THREAD_PRIO_PROTECT
    :header: API, Supported
    :widths: 50,10
@@ -886,6 +954,8 @@ _POSIX_THREAD_PRIO_PROTECT
 _POSIX_THREAD_PRIORITY_SCHEDULING
 +++++++++++++++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_THREAD_PRIORITY_SCHEDULING`.
+
 .. csv-table:: _POSIX_THREAD_PRIORITY_SCHEDULING
    :header: API, Supported
    :widths: 50,10
@@ -905,6 +975,8 @@ _POSIX_THREAD_PRIORITY_SCHEDULING
 _POSIX_THREAD_SAFE_FUNCTIONS
 ++++++++++++++++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_THREAD_SAFE_FUNCTIONS`.
+
 .. csv-table:: _POSIX_THREAD_SAFE_FUNCTIONS
     :header: API, Supported
     :widths: 50,10
@@ -934,6 +1006,8 @@ _POSIX_THREAD_SAFE_FUNCTIONS
 _POSIX_TIMEOUTS
 +++++++++++++++
 
+Enable this option with :kconfig:option:`CONFIG_POSIX_TIMEOUTS`.
+
 .. csv-table:: _POSIX_TIMEOUTS
    :header: API, Supported
    :widths: 50,10
@@ -956,6 +1030,8 @@ implemented in Zephyr but are provided so that conformant applications can still
 Unimplemented functions in this option group will fail, setting ``errno`` to ``ENOSYS``
 :ref:`†<posix_undefined_behaviour>`.
 
+Enable this option with :kconfig:option:`CONFIG_XOPEN_STREAMS`.
+
 .. csv-table:: _XOPEN_STREAMS
    :header: API, Supported
    :widths: 50,10