Description: liteos-m refactoring

Reviewed-by: wangmihu, zhushengle

kal/posix/include/README

@@ -0,0 +1,12 @@
+Root directory "//" refers to "/vendor/hisi/hi3861/hi3861".
+We use header files from musl ("//platform/os/Huawei_LiteOS/components/lib/libc/musl/include").
+
+Some posix apis are already defined in different places:
+errno is defined in             //build/libs/libc_base.o
+malloc and free are defined in  //build/libs/libc_base.o
+pthread_mutex_* are defined in  //build/libs/hi3861/release/no_mesh/liblitekernel_flash.a
+semaphore is defined in         //build/libs/hi3861/release/no_mesh/liblitekernel_flash.a
+usleep is defined in            //build/libs/hi3861/release/no_mesh/liblitekernel_flash.a
+clock_* are defined in          //build/libs/liblitekernel_base.o
+printf is defined in            //build/libs/liblitekernel_base.o
+fcntl and socket apis are defined in //build/libs/liblwip.a

kal/posix/include/version.h

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef VERSION_H_
+#define VERSION_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+const char *libc_get_version_string(void);
+int libc_get_version(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // VERSION_H_