sync smart & dfs (#8672)

Signed-off-by: xqyjlj <xqyjlj@126.com>
Signed-off-by: Shell <smokewood@qq.com>
Co-authored-by: xqyjlj <xqyjlj@126.com>

include/rtdef.h

@@ -53,6 +53,8 @@
  * 2023-10-10     Chushicheng  change version number to v5.1.0
  * 2023-10-11     zmshahaha    move specific devices related and driver to components/drivers
  * 2023-11-21     Meco Man     add RT_USING_NANO macro
+ * 2023-11-17     xqyjlj       add process group and session support
+ * 2023-12-01     Shell        Support of dynamic device
  * 2023-12-18     xqyjlj       add rt_always_inline
  * 2023-12-22     Shell        Support hook list
  * 2024-01-18     Shell        Seperate basical types to a rttypes.h
@@ -384,8 +386,10 @@ enum rt_object_class_type
     RT_Object_Class_Module        = 0x0b,      /**< The object is a module. */
     RT_Object_Class_Memory        = 0x0c,      /**< The object is a memory. */
     RT_Object_Class_Channel       = 0x0d,      /**< The object is a channel */
-    RT_Object_Class_Custom        = 0x0e,      /**< The object is a custom object */
-    RT_Object_Class_Unknown       = 0x0f,      /**< The object is unknown. */
+    RT_Object_Class_ProcessGroup  = 0x0e,      /**< The object is a process group */
+    RT_Object_Class_Session       = 0x0f,      /**< The object is a session */
+    RT_Object_Class_Custom        = 0x10,      /**< The object is a custom object */
+    RT_Object_Class_Unknown       = 0x11,      /**< The object is unknown. */
     RT_Object_Class_Static        = 0x80       /**< The object is a static object. */
 };
 
@@ -794,17 +798,30 @@ struct lwp_sigaction {
     void (*sa_restorer)(void);
 };
 
+typedef struct lwp_siginfo_ext {
+    union {
+        /* for SIGCHLD */
+        struct {
+            int status;
+            clock_t utime;
+            clock_t stime;
+        } sigchld;
+    };
+} *lwp_siginfo_ext_t;
+
 typedef struct lwp_siginfo {
     rt_list_t node;
 
     struct {
         int signo;
         int code;
-        long value;
 
         int from_tid;
         pid_t from_pid;
     } ksiginfo;
+
+    /* the signal specified extension field */
+    struct lwp_siginfo_ext *ext;
 } *lwp_siginfo_t;
 
 typedef struct lwp_sigqueue {
@@ -1238,6 +1255,7 @@ enum rt_device_class_type
 #define RT_DEVICE_FLAG_ACTIVATED        0x010           /**< device is activated */
 #define RT_DEVICE_FLAG_SUSPENDED        0x020           /**< device is suspended */
 #define RT_DEVICE_FLAG_STREAM           0x040           /**< stream mode */
+#define RT_DEVICE_FLAG_DYNAMIC          0x080           /**< device is determined when open() */
 
 #define RT_DEVICE_FLAG_INT_RX           0x100           /**< INT mode on Rx */
 #define RT_DEVICE_FLAG_DMA_RX           0x200           /**< DMA mode on Rx */
@@ -1352,6 +1370,9 @@ struct rt_device
     struct rt_wqueue wait_queue;
 #endif /* RT_USING_POSIX_DEVIO */
 
+    rt_err_t (*readlink)
+        (rt_device_t dev, char *buf, int len);          /**< for dynamic device */
+
     void                     *user_data;                /**< device private data */
 };
 

include/rttypes.h

@@ -79,15 +79,15 @@ typedef rt_ubase_t                      rt_dev_t;       /**< Type for device */
 typedef rt_base_t                       rt_off_t;       /**< Type for offset */
 
 #ifdef __cplusplus
-typedef rt_base_t rt_atomic_t;
+typedef rt_ubase_t rt_atomic_t;
 #else
 #if defined(RT_USING_HW_ATOMIC)
-typedef rt_base_t rt_atomic_t;
+typedef rt_ubase_t rt_atomic_t;
 #elif defined(RT_USING_STDC_ATOMIC)
 #include <stdatomic.h>
 typedef atomic_size_t rt_atomic_t;
 #else
-typedef rt_base_t rt_atomic_t;
+typedef rt_ubase_t rt_atomic_t;
 #endif /* RT_USING_STDC_ATOMIC */
 #endif /* __cplusplus */
 
@@ -215,6 +215,9 @@ struct rt_spinlock
 
 struct rt_spinlock
 {
+#ifdef RT_USING_DEBUG
+    rt_uint32_t critical_level;
+#endif /* RT_USING_DEBUG */
     rt_ubase_t lock;
 };
 #define RT_SPINLOCK_INIT {0}