[posix] 按照高级unix环境编程整理IO类别

bsp/raspberry-pi/raspi4-32/.config

@@ -7,6 +7,7 @@
 # RT-Thread Kernel
 #
 CONFIG_RT_NAME_MAX=8
+# CONFIG_RT_USING_BIG_ENDIAN is not set
 # CONFIG_RT_USING_ARCH_DATA_TYPE is not set
 # CONFIG_RT_USING_SMP is not set
 CONFIG_RT_ALIGN_SIZE=4
@@ -29,6 +30,10 @@ CONFIG_RT_TIMER_THREAD_STACK_SIZE=2048
 #
 # CONFIG_RT_KSERVICE_USING_STDLIB is not set
 # CONFIG_RT_KSERVICE_USING_TINY_SIZE is not set
+# CONFIG_RT_USING_ASM_MEMCPY is not set
+# CONFIG_RT_USING_ASM_MEMSET is not set
+# CONFIG_RT_USING_TINY_FFS is not set
+# CONFIG_RT_PRINTF_LONGLONG is not set
 CONFIG_RT_DEBUG=y
 # CONFIG_RT_DEBUG_COLOR is not set
 # CONFIG_RT_DEBUG_INIT_CONFIG is not set
@@ -73,8 +78,7 @@ CONFIG_RT_USING_DEVICE=y
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
 CONFIG_RT_CONSOLE_DEVICE_NAME="uart1"
-# CONFIG_RT_PRINTF_LONGLONG is not set
-CONFIG_RT_VER_NUM=0x40004
+CONFIG_RT_VER_NUM=0x40100
 # CONFIG_RT_USING_CPU_FFS is not set
 CONFIG_RT_USING_GIC_V2=y
 CONFIG_ARCH_ARMV8=y
@@ -87,6 +91,7 @@ CONFIG_RT_USING_COMPONENTS_INIT=y
 CONFIG_RT_USING_USER_MAIN=y
 CONFIG_RT_MAIN_THREAD_STACK_SIZE=2048
 CONFIG_RT_MAIN_THREAD_PRIORITY=10
+# CONFIG_RT_USING_LEGACY is not set
 
 #
 # C++ features
@@ -97,25 +102,26 @@ CONFIG_RT_MAIN_THREAD_PRIORITY=10
 # Command shell
 #
 CONFIG_RT_USING_FINSH=y
+CONFIG_RT_USING_MSH=y
+CONFIG_FINSH_USING_MSH=y
 CONFIG_FINSH_THREAD_NAME="tshell"
+CONFIG_FINSH_THREAD_PRIORITY=20
+CONFIG_FINSH_THREAD_STACK_SIZE=4096
 CONFIG_FINSH_USING_HISTORY=y
 CONFIG_FINSH_HISTORY_LINES=5
 CONFIG_FINSH_USING_SYMTAB=y
+CONFIG_FINSH_CMD_SIZE=80
+CONFIG_MSH_USING_BUILT_IN_COMMANDS=y
 CONFIG_FINSH_USING_DESCRIPTION=y
 # CONFIG_FINSH_ECHO_DISABLE_DEFAULT is not set
-CONFIG_FINSH_THREAD_PRIORITY=20
-CONFIG_FINSH_THREAD_STACK_SIZE=4096
-CONFIG_FINSH_CMD_SIZE=80
 # CONFIG_FINSH_USING_AUTH is not set
-CONFIG_FINSH_USING_MSH=y
-CONFIG_FINSH_USING_MSH_DEFAULT=y
-# CONFIG_FINSH_USING_MSH_ONLY is not set
 CONFIG_FINSH_ARG_MAX=10
 
 #
 # Device virtual file system
 #
 CONFIG_RT_USING_DFS=y
+CONFIG_DFS_USING_POSIX=y
 CONFIG_DFS_USING_WORKDIR=y
 CONFIG_DFS_FILESYSTEMS_MAX=2
 CONFIG_DFS_FILESYSTEM_TYPES_MAX=2
@@ -143,6 +149,7 @@ CONFIG_RT_DFS_ELM_DRIVES=2
 CONFIG_RT_DFS_ELM_MAX_SECTOR_SIZE=512
 # CONFIG_RT_DFS_ELM_USE_ERASE is not set
 CONFIG_RT_DFS_ELM_REENTRANT=y
+CONFIG_RT_DFS_ELM_MUTEX_TIMEOUT=3000
 CONFIG_RT_USING_DFS_DEVFS=y
 # CONFIG_RT_USING_DFS_ROMFS is not set
 # CONFIG_RT_USING_DFS_RAMFS is not set
@@ -203,6 +210,7 @@ CONFIG_RT_USING_TOUCH=y
 #
 # Using USB
 #
+# CONFIG_RT_USING_USB is not set
 # CONFIG_RT_USING_USB_HOST is not set
 # CONFIG_RT_USING_USB_DEVICE is not set
 
@@ -210,15 +218,25 @@ CONFIG_RT_USING_TOUCH=y
 # POSIX layer and C standard library
 #
 CONFIG_RT_USING_LIBC=y
-# CONFIG_RT_USING_PTHREADS is not set
-CONFIG_RT_USING_POSIX=y
-# CONFIG_RT_USING_POSIX_MMAP is not set
-# CONFIG_RT_USING_POSIX_TERMIOS is not set
-# CONFIG_RT_USING_POSIX_GETLINE is not set
-# CONFIG_RT_USING_POSIX_AIO is not set
+CONFIG_RT_LIBC_USING_TIME=y
+# CONFIG_RT_LIBC_USING_FILEIO is not set
 # CONFIG_RT_USING_MODULE is not set
 CONFIG_RT_LIBC_DEFAULT_TIMEZONE=8
 
+#
+# POSIX (Portable Operating System Interface) layer
+#
+CONFIG_RT_USING_POSIX_FS=y
+# CONFIG_RT_USING_POSIX_DEVIO is not set
+CONFIG_RT_USING_POSIX_POLL=y
+CONFIG_RT_USING_POSIX_SELECT=y
+# CONFIG_RT_USING_POSIX_TERMIOS is not set
+# CONFIG_RT_USING_POSIX_AIO is not set
+# CONFIG_RT_USING_POSIX_MMAP is not set
+# CONFIG_RT_USING_POSIX_DELAY is not set
+# CONFIG_RT_USING_POSIX_GETLINE is not set
+# CONFIG_RT_USING_PTHREADS is not set
+
 #
 # Network
 #
@@ -324,6 +342,7 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_RT_USING_RYM is not set
 # CONFIG_RT_USING_ULOG is not set
 # CONFIG_RT_USING_UTEST is not set
+# CONFIG_RT_USING_VAR_EXPORT is not set
 # CONFIG_RT_USING_RT_LINK is not set
 
 #
@@ -378,6 +397,7 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_AT_DEVICE is not set
 # CONFIG_PKG_USING_ATSRV_SOCKET is not set
 # CONFIG_PKG_USING_WIZNET is not set
+# CONFIG_PKG_USING_ZB_COORDINATOR is not set
 
 #
 # IoT Cloud
@@ -418,6 +438,12 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_AGILE_MODBUS is not set
 # CONFIG_PKG_USING_AGILE_FTP is not set
 # CONFIG_PKG_USING_EMBEDDEDPROTO is not set
+# CONFIG_PKG_USING_RT_LINK_HW is not set
+# CONFIG_PKG_USING_LORA_PKT_FWD is not set
+# CONFIG_PKG_USING_LORA_GW_DRIVER_LIB is not set
+# CONFIG_PKG_USING_LORA_PKT_SNIFFER is not set
+# CONFIG_PKG_USING_HM is not set
+# CONFIG_PKG_USING_SMALL_MODBUS is not set
 
 #
 # security packages
@@ -434,10 +460,17 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_LUA is not set
 # CONFIG_PKG_USING_JERRYSCRIPT is not set
 # CONFIG_PKG_USING_MICROPYTHON is not set
+# CONFIG_PKG_USING_PIKASCRIPT is not set
 
 #
 # multimedia packages
 #
+
+#
+# LVGL: powerful and easy-to-use embedded GUI library
+#
+# CONFIG_PKG_USING_LITTLEVGL2RTT is not set
+# CONFIG_PKG_USING_LVGL is not set
 # CONFIG_PKG_USING_OPENMV is not set
 # CONFIG_PKG_USING_MUPDF is not set
 # CONFIG_PKG_USING_STEMWIN is not set
@@ -447,6 +480,22 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_HELIX is not set
 # CONFIG_PKG_USING_AZUREGUIX is not set
 # CONFIG_PKG_USING_TOUCHGFX2RTT is not set
+# CONFIG_PKG_USING_NUEMWIN is not set
+# CONFIG_PKG_USING_MP3PLAYER is not set
+# CONFIG_PKG_USING_TINYJPEG is not set
+# CONFIG_PKG_USING_UGUI is not set
+
+#
+# u8g2: a monochrome graphic library
+#
+# CONFIG_PKG_USING_U8G2_OFFICIAL is not set
+# CONFIG_PKG_USING_U8G2 is not set
+
+#
+# PainterEngine: A cross-platform graphics application framework written in C language
+#
+# CONFIG_PKG_USING_PAINTERENGINE is not set
+# CONFIG_PKG_USING_PAINTERENGINE_AUX is not set
 
 #
 # tools packages
@@ -455,6 +504,7 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_EASYFLASH is not set
 # CONFIG_PKG_USING_EASYLOGGER is not set
 # CONFIG_PKG_USING_SYSTEMVIEW is not set
+# CONFIG_PKG_USING_SEGGER_RTT is not set
 # CONFIG_PKG_USING_RDB is not set
 # CONFIG_PKG_USING_QRCODE is not set
 # CONFIG_PKG_USING_ULOG_EASYFLASH is not set
@@ -486,10 +536,38 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_DEVMEM is not set
 # CONFIG_PKG_USING_REGEX is not set
 # CONFIG_PKG_USING_MEM_SANDBOX is not set
+# CONFIG_PKG_USING_SOLAR_TERMS is not set
+# CONFIG_PKG_USING_GAN_ZHI is not set
+# CONFIG_PKG_USING_FDT is not set
 
 #
 # system packages
 #
+
+#
+# acceleration: Assembly language or algorithmic acceleration packages
+#
+# CONFIG_PKG_USING_RT_MEMCPY_CM is not set
+# CONFIG_PKG_USING_QFPLIB_M0_FULL is not set
+# CONFIG_PKG_USING_QFPLIB_M0_TINY is not set
+# CONFIG_PKG_USING_QFPLIB_M3 is not set
+
+#
+# CMSIS: ARM Cortex-M Microcontroller Software Interface Standard
+#
+# CONFIG_PKG_USING_CMSIS_5 is not set
+# CONFIG_PKG_USING_CMSIS_5_AUX is not set
+# CONFIG_PKG_USING_CMSIS_RTOS2 is not set
+
+#
+# Micrium: Micrium software products porting for RT-Thread
+#
+# CONFIG_PKG_USING_UCOSIII_WRAPPER is not set
+# CONFIG_PKG_USING_UCOSII_WRAPPER is not set
+# CONFIG_PKG_USING_UC_CRC is not set
+# CONFIG_PKG_USING_UC_CLK is not set
+# CONFIG_PKG_USING_UC_COMMON is not set
+# CONFIG_PKG_USING_UC_MODBUS is not set
 # CONFIG_PKG_USING_GUIENGINE is not set
 # CONFIG_PKG_USING_CAIRO is not set
 # CONFIG_PKG_USING_PIXMAN is not set
@@ -498,8 +576,6 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_FLASHDB is not set
 # CONFIG_PKG_USING_SQLITE is not set
 # CONFIG_PKG_USING_RTI is not set
-# CONFIG_PKG_USING_LITTLEVGL2RTT is not set
-# CONFIG_PKG_USING_CMSIS is not set
 # CONFIG_PKG_USING_DFS_YAFFS is not set
 # CONFIG_PKG_USING_LITTLEFS is not set
 # CONFIG_PKG_USING_DFS_JFFS2 is not set
@@ -514,26 +590,17 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_RAMDISK is not set
 # CONFIG_PKG_USING_MININI is not set
 # CONFIG_PKG_USING_QBOOT is not set
-
-#
-# Micrium: Micrium software products porting for RT-Thread
-#
-# CONFIG_PKG_USING_UCOSIII_WRAPPER is not set
-# CONFIG_PKG_USING_UCOSII_WRAPPER is not set
-# CONFIG_PKG_USING_UC_CRC is not set
-# CONFIG_PKG_USING_UC_CLK is not set
-# CONFIG_PKG_USING_UC_COMMON is not set
-# CONFIG_PKG_USING_UC_MODBUS is not set
 # CONFIG_PKG_USING_PPOOL is not set
 # CONFIG_PKG_USING_OPENAMP is not set
+# CONFIG_PKG_USING_RT_VSNPRINTF_FULL is not set
 # CONFIG_PKG_USING_RT_KPRINTF_THREADSAFE is not set
-# CONFIG_PKG_USING_RT_MEMCPY_CM is not set
-# CONFIG_PKG_USING_QFPLIB_M0_FULL is not set
-# CONFIG_PKG_USING_QFPLIB_M0_TINY is not set
-# CONFIG_PKG_USING_QFPLIB_M3 is not set
 # CONFIG_PKG_USING_LPM is not set
 # CONFIG_PKG_USING_TLSF is not set
 # CONFIG_PKG_USING_EVENT_RECORDER is not set
+# CONFIG_PKG_USING_ARM_2D is not set
+# CONFIG_PKG_USING_WCWIDTH is not set
+# CONFIG_PKG_USING_MCUBOOT is not set
+# CONFIG_PKG_USING_TINYUSB is not set
 
 #
 # peripheral libraries and drivers
@@ -545,7 +612,6 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_AS7341 is not set
 # CONFIG_PKG_USING_STM32_SDIO is not set
 # CONFIG_PKG_USING_ICM20608 is not set
-# CONFIG_PKG_USING_U8G2 is not set
 # CONFIG_PKG_USING_BUTTON is not set
 # CONFIG_PKG_USING_PCF8574 is not set
 # CONFIG_PKG_USING_SX12XX is not set
@@ -558,7 +624,6 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_WM_LIBRARIES is not set
 # CONFIG_PKG_USING_KENDRYTE_SDK is not set
 # CONFIG_PKG_USING_INFRARED is not set
-# CONFIG_PKG_USING_ROSSERIAL is not set
 # CONFIG_PKG_USING_AGILE_BUTTON is not set
 # CONFIG_PKG_USING_AGILE_LED is not set
 # CONFIG_PKG_USING_AT24CXX is not set
@@ -601,6 +666,17 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_LIBNFC is not set
 # CONFIG_PKG_USING_MFOC is not set
 # CONFIG_PKG_USING_TMC51XX is not set
+# CONFIG_PKG_USING_TCA9534 is not set
+# CONFIG_PKG_USING_KOBUKI is not set
+# CONFIG_PKG_USING_ROSSERIAL is not set
+# CONFIG_PKG_USING_MICRO_ROS is not set
+# CONFIG_PKG_USING_MCP23008 is not set
+# CONFIG_PKG_USING_BLUETRUM_SDK is not set
+# CONFIG_PKG_USING_MISAKA_AT24CXX is not set
+# CONFIG_PKG_USING_MISAKA_RGB_BLING is not set
+# CONFIG_PKG_USING_BL_MCU_SDK is not set
+# CONFIG_PKG_USING_SOFT_SERIAL is not set
+# CONFIG_PKG_USING_MB85RS16 is not set
 
 #
 # AI packages
@@ -618,6 +694,27 @@ CONFIG_RT_LWIP_USING_PING=y
 #
 # miscellaneous packages
 #
+
+#
+# samples: kernel and components samples
+#
+# CONFIG_PKG_USING_KERNEL_SAMPLES is not set
+# CONFIG_PKG_USING_FILESYSTEM_SAMPLES is not set
+# CONFIG_PKG_USING_NETWORK_SAMPLES is not set
+# CONFIG_PKG_USING_PERIPHERAL_SAMPLES is not set
+
+#
+# entertainment: terminal games and other interesting software packages
+#
+# CONFIG_PKG_USING_CMATRIX is not set
+# CONFIG_PKG_USING_SL is not set
+# CONFIG_PKG_USING_CAL is not set
+# CONFIG_PKG_USING_ACLOCK is not set
+# CONFIG_PKG_USING_THREES is not set
+# CONFIG_PKG_USING_2048 is not set
+# CONFIG_PKG_USING_SNAKE is not set
+# CONFIG_PKG_USING_TETRIS is not set
+# CONFIG_PKG_USING_DONUT is not set
 # CONFIG_PKG_USING_LIBCSV is not set
 # CONFIG_PKG_USING_OPTPARSE is not set
 # CONFIG_PKG_USING_FASTLZ is not set
@@ -628,20 +725,13 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_FLEXIBLE_BUTTON is not set
 # CONFIG_PKG_USING_CANFESTIVAL is not set
 # CONFIG_PKG_USING_ZLIB is not set
+# CONFIG_PKG_USING_MINIZIP is not set
 # CONFIG_PKG_USING_DSTR is not set
 # CONFIG_PKG_USING_TINYFRAME is not set
 # CONFIG_PKG_USING_KENDRYTE_DEMO is not set
 # CONFIG_PKG_USING_DIGITALCTRL is not set
 # CONFIG_PKG_USING_UPACKER is not set
 # CONFIG_PKG_USING_UPARAM is not set
-
-#
-# samples: kernel and components samples
-#
-# CONFIG_PKG_USING_KERNEL_SAMPLES is not set
-# CONFIG_PKG_USING_FILESYSTEM_SAMPLES is not set
-# CONFIG_PKG_USING_NETWORK_SAMPLES is not set
-# CONFIG_PKG_USING_PERIPHERAL_SAMPLES is not set
 # CONFIG_PKG_USING_HELLO is not set
 # CONFIG_PKG_USING_VI is not set
 # CONFIG_PKG_USING_KI is not set
@@ -649,20 +739,11 @@ CONFIG_RT_LWIP_USING_PING=y
 # CONFIG_PKG_USING_VT100 is not set
 # CONFIG_PKG_USING_UKAL is not set
 # CONFIG_PKG_USING_CRCLIB is not set
-
-#
-# entertainment: terminal games and other interesting software packages
-#
-# CONFIG_PKG_USING_THREES is not set
-# CONFIG_PKG_USING_2048 is not set
-# CONFIG_PKG_USING_SNAKE is not set
-# CONFIG_PKG_USING_TETRIS is not set
-# CONFIG_PKG_USING_DONUT is not set
-# CONFIG_PKG_USING_ACLOCK is not set
 # CONFIG_PKG_USING_LWGPS is not set
 # CONFIG_PKG_USING_STATE_MACHINE is not set
 # CONFIG_PKG_USING_MCURSES is not set
 # CONFIG_PKG_USING_COWSAY is not set
+# CONFIG_PKG_USING_TERMBOX is not set
 CONFIG_BCM2711_SOC=y
 # CONFIG_BSP_SUPPORT_FPU is not set
 

bsp/raspberry-pi/raspi4-32/rtconfig.h

@@ -44,7 +44,7 @@
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 128
 #define RT_CONSOLE_DEVICE_NAME "uart1"
-#define RT_VER_NUM 0x40004
+#define RT_VER_NUM 0x40100
 #define RT_USING_GIC_V2
 #define ARCH_ARMV8
 
@@ -61,21 +61,23 @@
 /* Command shell */
 
 #define RT_USING_FINSH
+#define RT_USING_MSH
+#define FINSH_USING_MSH
 #define FINSH_THREAD_NAME "tshell"
+#define FINSH_THREAD_PRIORITY 20
+#define FINSH_THREAD_STACK_SIZE 4096
 #define FINSH_USING_HISTORY
 #define FINSH_HISTORY_LINES 5
 #define FINSH_USING_SYMTAB
-#define FINSH_USING_DESCRIPTION
-#define FINSH_THREAD_PRIORITY 20
-#define FINSH_THREAD_STACK_SIZE 4096
 #define FINSH_CMD_SIZE 80
-#define FINSH_USING_MSH
-#define FINSH_USING_MSH_DEFAULT
+#define MSH_USING_BUILT_IN_COMMANDS
+#define FINSH_USING_DESCRIPTION
 #define FINSH_ARG_MAX 10
 
 /* Device virtual file system */
 
 #define RT_USING_DFS
+#define DFS_USING_POSIX
 #define DFS_USING_WORKDIR
 #define DFS_FILESYSTEMS_MAX 2
 #define DFS_FILESYSTEM_TYPES_MAX 2
@@ -94,6 +96,7 @@
 #define RT_DFS_ELM_DRIVES 2
 #define RT_DFS_ELM_MAX_SECTOR_SIZE 512
 #define RT_DFS_ELM_REENTRANT
+#define RT_DFS_ELM_MUTEX_TIMEOUT 3000
 #define RT_USING_DFS_DEVFS
 
 /* Device Drivers */
@@ -126,9 +129,15 @@
 /* POSIX layer and C standard library */
 
 #define RT_USING_LIBC
-#define RT_USING_POSIX
+#define RT_LIBC_USING_TIME
 #define RT_LIBC_DEFAULT_TIMEZONE 8
 
+/* POSIX (Portable Operating System Interface) layer */
+
+#define RT_USING_POSIX_FS
+#define RT_USING_POSIX_POLL
+#define RT_USING_POSIX_SELECT
+
 /* Network */
 
 /* Socket abstraction layer */
@@ -231,12 +240,25 @@
 
 /* multimedia packages */
 
+/* LVGL: powerful and easy-to-use embedded GUI library */
+
+
+/* u8g2: a monochrome graphic library */
+
+
+/* PainterEngine: A cross-platform graphics application framework written in C language */
+
 
 /* tools packages */
 
 
 /* system packages */
 
+/* acceleration: Assembly language or algorithmic acceleration packages */
+
+
+/* CMSIS: ARM Cortex-M Microcontroller Software Interface Standard */
+
 
 /* Micrium: Micrium software products porting for RT-Thread */
 
@@ -249,7 +271,6 @@
 
 /* miscellaneous packages */
 
-
 /* samples: kernel and components samples */
 
 

components/drivers/serial/serial.c

@@ -42,7 +42,7 @@
 #include <sys/ioctl.h>
 
 #ifdef RT_USING_POSIX_TERMIOS
-#include <posix_termios.h>
+#include <termios.h>
 #endif
 
 /* it's possible the 'getc/putc' is defined by stdio.h in gcc/newlib. */

components/libc/compilers/common/sys/termios.h

@@ -1,8 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- */

components/libc/compilers/common/termios.h

@@ -1,19 +0,0 @@
-/*
- * Copyright (c) 2006-2021, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- */
-#ifndef _TERMIOS_H__
-#define _TERMIOS_H__
-
-#include <rtconfig.h>
-
-#ifdef RT_USING_POSIX_TERMIOS
-#include <sys/types.h>
-#include <posix_termios.h>
-#endif
-
-#endif

components/libc/posix/Kconfig

@@ -1,7 +1,7 @@
 menu "POSIX (Portable Operating System Interface) layer"
 
 config RT_USING_POSIX_FS
-    bool "Enable POSIX file system, open()/read()/write()/close() etc"
+    bool "Enable POSIX file system and I/O"
     select RT_USING_DFS
     select DFS_USING_POSIX
     default n
@@ -13,13 +13,26 @@ if RT_USING_POSIX_FS
         default n
 
     config RT_USING_POSIX_POLL
-        bool "Enable poll()"
+        bool "Enable I/O Multiplexing poll() <poll.h>"
         default n
 
     config RT_USING_POSIX_SELECT
-        bool "Enable select()"
+        bool "Enable I/O Multiplexing select() <sys/select.h>"
         select RT_USING_POSIX_POLL
         default n
+
+    config RT_USING_POSIX_TERMIOS
+        bool "Enable Terminal I/O <termios.h>"
+        select RT_USING_POSIX_DEVIO
+        default n
+
+    config RT_USING_POSIX_AIO
+        bool "Enable Asynchronous I/O <aio.h>"
+        default n
+
+    config RT_USING_POSIX_MMAP
+        bool "Enable Memory-Mapped I/O <sys/mman.h>"
+        default n
 endif
 
 config RT_USING_POSIX_DELAY
@@ -32,19 +45,6 @@ config RT_USING_POSIX_GETLINE
     select RT_LIBC_USING_FILEIO
     default n
 
-config RT_USING_POSIX_MMAP
-    bool "Enable mmap()"
-    select RT_USING_POSIX_FS
-    default n
-
-config RT_USING_POSIX_TERMIOS
-    bool "Enable termios APIs"
-    default n
-
-config RT_USING_POSIX_AIO
-    bool "Enable AIO APIs"
-    default n
-
 config RT_USING_PTHREADS
     bool "Enable pthreads APIs"
     default n

components/libc/posix/io/SConscript

@@ -0,0 +1,34 @@
+# RT-Thread building script for component
+
+import os
+from building import *
+
+src     = []
+cwd     = GetCurrentDir()
+CPPPATH = [cwd]
+group   = []
+
+flag = False
+
+if GetDepend('RT_USING_POSIX_DEVIO'):
+    src += ['libc.c']
+    flag = True
+
+if GetDepend('RT_USING_POSIX_SELECT'):
+    src += ['select.c']
+    flag = True
+
+if GetDepend('RT_USING_POSIX_MMAP'):
+    src += ['mmap.c']
+    flag = True
+
+if flag == True:
+    group = DefineGroup('POSIX', src, depend = [], CPPPATH = CPPPATH)
+
+list = os.listdir(cwd)
+for d in list:
+    path = os.path.join(cwd, d)
+    if os.path.isfile(os.path.join(path, 'SConscript')):
+        group = group + SConscript(os.path.join(d, 'SConscript'))
+
+Return('group')

components/libc/posix/aio/SConscript → components/libc/posix/io/aio/SConscript

@@ -3,7 +3,7 @@
 from building import *
 
 cwd     = GetCurrentDir()
-src     = Glob('*.c')
+src     = ['aio.c']
 CPPPATH = [cwd]
 
 group = DefineGroup('POSIX', src, depend = ['RT_USING_POSIX_AIO'], CPPPATH = CPPPATH)

components/libc/posix/aio/posix_aio.c → components/libc/posix/io/aio/aio.c

@@ -11,7 +11,7 @@
 #include <stdint.h>
 #include <rthw.h>
 #include <dfs_posix.h>
-#include "posix_aio.h"
+#include "aio.h"
 
 struct rt_workqueue* aio_queue = NULL;
 

components/libc/posix/aio/posix_aio.h → components/libc/posix/io/aio/aio.h

@@ -8,8 +8,8 @@
  * 2017/12/30     Bernard      The first version.
  */
 
-#ifndef POSIX_AIO_H__
-#define POSIX_AIO_H__
+#ifndef __AIO_H__
+#define __AIO_H__
 
 #include <stdio.h>
 #include <sys/signal.h>

components/libc/posix/io/poll/SConscript

@@ -0,0 +1,11 @@
+# RT-Thread building script for component
+
+from building import *
+
+cwd     = GetCurrentDir()
+src     = ['poll.c']
+CPPPATH = [cwd]
+
+group = DefineGroup('POSIX', src, depend = ['RT_USING_POSIX_POLL'], CPPPATH = CPPPATH)
+
+Return('group')

components/libc/posix/io/termios/SConscript

@@ -0,0 +1,11 @@
+# RT-Thread building script for component
+
+from building import *
+
+cwd = GetCurrentDir()
+src = ['termios.c']
+CPPPATH = [cwd]
+
+group = DefineGroup('POSIX', src, depend = ['RT_USING_POSIX_TERMIOS'], CPPPATH = CPPPATH)
+
+Return('group')

components/libc/posix/termios/posix_termios.c → components/libc/posix/io/termios/termios.c

@@ -11,7 +11,7 @@
 #include <string.h>
 #include <dfs_posix.h>
 #include <sys/errno.h>
-#include <termios.h>
+#include "termios.h"
 
 int tcgetattr(int fd, struct termios *tio)
 {

components/libc/posix/termios/posix_termios.h → components/libc/posix/io/termios/termios.h

@@ -7,8 +7,8 @@
  * Date           Author       Notes
  * 2017/08/30     Bernard      The first version
  */
-#ifndef TERMIOS_H__
-#define TERMIOS_H__
+#ifndef __TERMIOS_H__
+#define __TERMIOS_H__
 
 #include <sys/types.h>
 #include <sys/ioctl.h>

components/libc/posix/src/SConscript

@@ -10,26 +10,10 @@ group   = []
 flag = False
 src += ['unistd.c'] #TODO
 
-if GetDepend('RT_USING_POSIX_DEVIO'):
-    src += ['libc.c']
-    flag = True
-
 if GetDepend('RT_USING_POSIX_DELAY'):
     src += ['delay.c']
     flag = True
 
-if GetDepend('RT_USING_POSIX_POLL'):
-    src += ['poll.c']
-    flag = True
-
-if GetDepend('RT_USING_POSIX_SELECT'):
-    src += ['select.c']
-    flag = True
-
-if GetDepend('RT_USING_POSIX_MMAP'):
-    src += ['mmap.c']
-    flag = True
-
 if flag == True:
     group = DefineGroup('POSIX', src, depend = [], CPPPATH = CPPPATH)
 

components/libc/posix/termios/SConscript

@@ -1,11 +0,0 @@
-# RT-Thread building script for component
-
-from building import *
-
-cwd = GetCurrentDir()
-src = Glob('*.c') + Glob('*.cpp')
-CPPPATH = [cwd]
-
-group = DefineGroup('POSIX', src, depend = ['RT_USING_LIBC', 'RT_USING_POSIX_TERMIOS'], CPPPATH = CPPPATH)
-
-Return('group')