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

@@ -511,6 +511,7 @@ _XOPEN_STREAMS
     isastream(),
     putmsg(),
     putpmsg(),
+    putpmsg(),
 
 
 .. _Subprofiling Considerations:

include/zephyr/posix/stropts.h

@@ -19,6 +19,8 @@ struct strbuf {
 
 int putmsg(int fildes, const struct strbuf *ctlptr, const struct strbuf *dataptr, int flags);
 
+int putpmsg(int fildes, const struct strbuf *ctlptr, const struct strbuf *dataptr, int band, int flags);
+
 #ifdef __cplusplus
 }
 #endif

lib/posix/CMakeLists.txt

@@ -2,3 +2,70 @@
 
 add_subdirectory(options)
 add_subdirectory(shell)
+
+zephyr_syscall_header(
+  posix_clock.h
+)
+
+zephyr_interface_library_named(posix_subsys)
+
+if(CONFIG_POSIX_API)
+  zephyr_include_directories(${ZEPHYR_BASE}/include/zephyr/posix)
+endif()
+
+if(CONFIG_POSIX_SIGNAL)
+  set(STRSIGNAL_TABLE_H ${GEN_DIR}/posix/strsignal_table.h)
+
+  add_custom_command(
+    OUTPUT ${STRSIGNAL_TABLE_H}
+    COMMAND
+    ${PYTHON_EXECUTABLE}
+    ${ZEPHYR_BASE}/scripts/build/gen_strsignal_table.py
+    -i ${ZEPHYR_BASE}/include/zephyr/posix/signal.h
+    -o ${STRSIGNAL_TABLE_H}
+    DEPENDS ${ZEPHYR_BASE}/include/zephyr/posix/signal.h
+  )
+endif()
+
+if(CONFIG_POSIX_API OR CONFIG_PTHREAD_IPC OR CONFIG_POSIX_CLOCK OR
+  CONFIG_POSIX_MQUEUE OR CONFIG_POSIX_FS OR CONFIG_EVENTFD OR CONFIG_GETOPT)
+  # This is a temporary workaround so that Newlib declares the appropriate
+  # types for us. POSIX features to be formalized as part of #51211
+  zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:-D_POSIX_THREADS>)
+  zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:-D_POSIX_THREADS>)
+endif()
+
+zephyr_library()
+add_subdirectory_ifdef(CONFIG_GETOPT getopt)
+add_subdirectory_ifdef(CONFIG_SHELL shell)
+zephyr_library_sources_ifdef(CONFIG_EVENTFD eventfd.c)
+zephyr_library_sources_ifdef(CONFIG_FNMATCH fnmatch.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_API perror.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_CLOCK clock.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_CLOCK nanosleep.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_CLOCK sleep.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_FS fs.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_MQUEUE mqueue.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_SIGNAL signal.c ${STRSIGNAL_TABLE_H})
+zephyr_library_sources_ifdef(CONFIG_POSIX_UNAME uname.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_IPC _common.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_BARRIER barrier.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_COND cond.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_KEY key.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_MUTEX mutex.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD pthread.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_RWLOCK rwlock.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_PRIORITY_SCHEDULING sched.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_IPC semaphore.c)
+zephyr_library_sources_ifdef(CONFIG_PTHREAD_SPINLOCK spinlock.c)
+zephyr_library_sources_ifdef(CONFIG_TIMER timer.c)
+zephyr_library_sources_ifdef(CONFIG_POSIX_PUTMSG stropts.c)
+zephyr_library_source_ifdef(CONFIG_POSIX_PUTPMSG stropts.c)
+
+zephyr_library_include_directories(
+  ${ZEPHYR_BASE}/kernel/include
+  ${ARCH_DIR}/${ARCH}/include
+)
+
+zephyr_library_link_libraries(posix_subsys)
+zephyr_library_property(ALLOW_EMPTY TRUE)

lib/posix/options/Kconfig.stropts

@@ -7,3 +7,9 @@ config POSIX_PUTMSG
 	default y if POSIX_API
 	help
 	  This option provides support for the putmsg function used in message passing.
+
+config POSIX_PUTPMSG
+		bool "Support for putpmsg function"
+		default y if POSIX_API
+		help
+			This option provides support for the putpmsg function used in message passing.

lib/posix/options/stropts.c

@@ -18,3 +18,16 @@ int putmsg(int fildes, const struct strbuf *ctlptr, const struct strbuf *dataptr
 	errno = ENOSYS;
 	return -1;
 }
+
+int putpmsg(int fildes, const struct strbuf *ctlptr,
+            const struct strbuf *dataptr, int band, int flags)
+{
+	ARG_UNUSED(fildes);
+	ARG_UNUSED(ctlptr);
+	ARG_UNUSED(dataptr);
+	ARG_UNUSED(band);
+	ARG_UNUSED(flags);
+
+	errno = ENOSYS;
+	return -1;
+}

tests/posix/common/src/stropts.c

@@ -18,4 +18,16 @@ ZTEST(stropts, test_putmsg)
 	zassert_equal(errno, ENOSYS, "Expected errno ENOSYS, got %d", errno);
 }
 
+ZTEST(stropts, test_putpmsg)
+{
+	const struct strbuf *ctrl = NULL;
+	const struct strbuf *data = NULL;
+	int fd = -1;
+	int band = 0;
+	int ret = putpmsg(fd, ctrl, data, band, 0);
+
+	zassert_equal(ret, -1, "Expected return value -1, got %d", ret);
+	zassert_equal(errno, ENOSYS, "Expected errno ENOSYS, got %d", errno);
+}
+
 ZTEST_SUITE(stropts, NULL, NULL, NULL, NULL, NULL);

tests/posix/headers/src/stropts_h.c

@@ -26,3 +26,10 @@ ZTEST(posix_headers, test_stropts_h)
 	zassert_not_equal(RS_HIPRI, ~RS_HIPRI);
 	#endif
 }
+
+ZTEST(posix_headers, test_stropts_h_putpmsg)
+{
+	#ifdef CONFIG_POSIX_API
+	zassert_not_null((void *)putpmsg, "putpmsg is null");
+	#endif
+}