posix: fs: mark _POSIX_SYNCHRONIZED_IO as supported

The `_POSIX_SYNCHRONIZED_IO` option group is now fully
supported.

Signed-off-by: Yong Cong Sin <[email protected]>

Author: ycsin

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

@@ -64,7 +64,7 @@ The *Minimal Realtime System Profile* (PSE51) includes all of the
     :ref:`_POSIX_MEMLOCK_RANGE <posix_option_memlock_range>`, 200809L, :kconfig:option:`CONFIG_POSIX_MEMLOCK_RANGE`
     :ref:`_POSIX_MONOTONIC_CLOCK <posix_option_monotonic_clock>`, 200809L, :kconfig:option:`CONFIG_POSIX_MONOTONIC_CLOCK`
     :ref:`_POSIX_SHARED_MEMORY_OBJECTS <posix_shared_memory_objects>`, 200809L, :kconfig:option:`CONFIG_POSIX_SHARED_MEMORY_OBJECTS`
-    :ref:`_POSIX_SYNCHRONIZED_IO <posix_option_synchronized_io>`, -1, :kconfig:option:`CONFIG_POSIX_SYNCHRONIZED_IO`
+    :ref:`_POSIX_SYNCHRONIZED_IO <posix_option_synchronized_io>`, 200809L, :kconfig:option:`CONFIG_POSIX_SYNCHRONIZED_IO`
     :ref:`_POSIX_THREAD_ATTR_STACKADDR<posix_option_thread_attr_stackaddr>`, 200809L, :kconfig:option:`CONFIG_POSIX_THREAD_ATTR_STACKADDR`
     :ref:`_POSIX_THREAD_ATTR_STACKSIZE<posix_option_thread_attr_stacksize>`, 200809L, :kconfig:option:`CONFIG_POSIX_THREAD_ATTR_STACKSIZE`
     :ref:`_POSIX_THREAD_CPUTIME <posix_option_thread_cputime>`, 200809L, :kconfig:option:`CONFIG_POSIX_CPUTIME`

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

@@ -78,7 +78,7 @@ POSIX System Interfaces
     :ref:`_POSIX_SHARED_MEMORY_OBJECTS <posix_shared_memory_objects>`, 200809L, :kconfig:option:`CONFIG_POSIX_SHARED_MEMORY_OBJECTS`
     _POSIX_SPAWN, -1, :ref:`†<posix_undefined_behaviour>`
     _POSIX_SPORADIC_SERVER, -1, :ref:`†<posix_undefined_behaviour>`
-    :ref:`_POSIX_SYNCHRONIZED_IO <posix_option_synchronized_io>`, -1, :kconfig:option:`CONFIG_POSIX_SYNCHRONIZED_IO`
+    :ref:`_POSIX_SYNCHRONIZED_IO <posix_option_synchronized_io>`, 200809L, :kconfig:option:`CONFIG_POSIX_SYNCHRONIZED_IO`
     :ref:`_POSIX_THREAD_ATTR_STACKADDR<posix_option_thread_attr_stackaddr>`, 200809L, :kconfig:option:`CONFIG_POSIX_THREAD_ATTR_STACKADDR`
     :ref:`_POSIX_THREAD_ATTR_STACKSIZE<posix_option_thread_attr_stacksize>`, 200809L, :kconfig:option:`CONFIG_POSIX_THREAD_ATTR_STACKSIZE`
     :ref:`_POSIX_THREAD_CPUTIME <posix_option_thread_cputime>`, 200809L, :kconfig:option:`CONFIG_POSIX_CPUTIME`

include/zephyr/posix/posix_features.h

@@ -123,7 +123,10 @@
 #endif
 
 /* #define _POSIX_SPORADIC_SERVER (-1L) */
-/* #define _POSIX_SYNCHRONIZED_IO (-1L) */
+
+#ifdef CONFIG_POSIX_SYNCHRONIZED_IO
+#define _POSIX_SYNCHRONIZED_IO _POSIX_VERSION
+#endif
 
 #ifdef CONFIG_POSIX_THREAD_ATTR_STACKADDR
 #define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION