docs: posix: option groups: add _POSIX_THREAD_SAFE_FUNCTIONS

The _POSIX_THREAD_SAFE_FUNCTIONS option was mentioned in aep/index.rst but not expanded. Signed-off-by: Christopher Friedt <[email protected]>
zephyrproject-rtos · Jan 10, 2024 · 5bbec7a · 5bbec7a
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diff --git a/doc/services/portability/posix/conformance/index.rst b/doc/services/portability/posix/conformance/index.rst
@@ -61,7 +61,7 @@ POSIX System Interfaces
     _POSIX_REALTIME_SIGNALS, -1, :ref:`†<posix_undefined_behaviour>`
     :ref:`_POSIX_SEMAPHORES<posix_option_group_semaphores>`, 200809L, :kconfig:option:`CONFIG_PTHREAD_IPC`
     :ref:`_POSIX_SPIN_LOCKS<posix_option_group_spin_locks>`, 200809L, :kconfig:option:`CONFIG_PTHREAD_SPINLOCK`
-    _POSIX_THREAD_SAFE_FUNCTIONS, 200809L,
+    :ref:`_POSIX_THREAD_SAFE_FUNCTIONS<posix_thread_safe_functions>`, -1,
     :ref:`_POSIX_THREADS<posix_option_group_threads_base>`, -1, :kconfig:option:`CONFIG_PTHREAD_IPC`
     :ref:`_POSIX_TIMEOUTS<posix_option_timeouts>`, 200809L, :kconfig:option:`CONFIG_PTHREAD_IPC`
     :ref:`_POSIX_TIMERS<posix_option_group_timers>`, 200809L, :kconfig:option:`CONFIG_POSIX_CLOCK`

diff --git a/doc/services/portability/posix/option_groups/index.rst b/doc/services/portability/posix/option_groups/index.rst
@@ -448,6 +448,35 @@ _POSIX_THREAD_PRIORITY_SCHEDULING
     pthread_setschedparam(),yes
     pthread_setschedprio(),yes
 
+.. _posix_thread_safe_functions:
+
+_POSIX_THREAD_SAFE_FUNCTIONS
+++++++++++++++++++++++++++++
+
+.. csv-table:: _POSIX_THREAD_SAFE_FUNCTIONS
+    :header: API, Supported
+    :widths: 50,10
+
+    asctime_r(),
+    ctime_r(),
+    flockfile(),
+    ftrylockfile(),
+    funlockfile(),
+    getc_unlocked(), yes
+    getchar_unlocked(), yes
+    getgrgid_r(),
+    getgrnam_r(),
+    getpwnam_r(),
+    getpwuid_r(),
+    gmtime_r(), yes
+    localtime_r(),
+    putc_unlocked(), yes
+    putchar_unlocked(), yes
+    rand_r(), yes
+    readdir_r(),
+    strerror_r(), yes
+    strtok_r(), yes
+
 .. _posix_option_timeouts:
 
 _POSIX_TIMEOUTS