doxygen: signal: unify groupname to lowercase

unicornx · unicornx · commit bebd3f078b95 · 2025-07-22T10:35:27.000+08:00
Signed-off-by: Chen Wang &lt;unicorn_wang@outlook.com&gt;
diff --git a/documentation/0.doxygen/core/ipc.h b/documentation/0.doxygen/core/ipc.h
@@ -8,7 +8,7 @@
  */
 
 /**
- * @defgroup group_Signal Signal
+ * @defgroup group_signal Signal
  * @brief signal is used for thread kill etc.
  *
  * A signal (also known as a soft interrupt signal), from a software perspective,
diff --git a/include/rtdef.h b/include/rtdef.h
@@ -578,7 +578,7 @@ typedef struct rt_timer *rt_timer_t;
 /**@}*/
 
 /**
- * @addtogroup group_Signal
+ * @addtogroup group_signal
  */
 /**@{*/
 
diff --git a/include/rtthread.h b/include/rtthread.h
@@ -248,7 +248,7 @@ void rt_scheduler_ipi_handler(int vector, void *param);
 /**@}*/
 
 /**
- * @addtogroup group_Signal
+ * @addtogroup group_signal
  * @{
  */
 #ifdef RT_USING_SIGNALS

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*/`
`9`	`9`
`10`	`10`	`/**`
`11`		`- * @defgroup group_Signal Signal`
	`11`	`+ * @defgroup group_signal Signal`
`12`	`12`	`* @brief signal is used for thread kill etc.`
`13`	`13`	`*`
`14`	`14`	`* A signal (also known as a soft interrupt signal), from a software perspective,`