[bugfix]components:libc:cplusplus: Repair the comment code.

os:cxx_Semaphore.c
    Correct the error and replace implementation with constructor on line 15.
utest:tc_thread.cpp
    Function comments for utest_tc_init and utest_tc_cleanup,return value information:
    RT_EOK on success on line 58,66.
utest:tc_atomic.cpp
   1. Change the comment symbol from '//' to '/**/' to comply with rtthread specifications.For utest:tc_atomic.cpp and tc_smartptr.cpp,
select the original respository files without modification.
   2. Modify the comments of the functions utest_tc_init, utest_tc_cleanup, testcase and UTEST_TC_EXPORT in tc_atomic.cpp.
On the premise of conforming to RT-Thread coding standards,
maintain consistency with the comment style of the tc_thread.cpp file.
utest:tc_smartptr.cpp
    Modify the comments of the functions utest_tc_init, utest_tc_cleanup, testcase and UTEST_TC_EXPORT in tc_smartptr.cpp.
On the premise of conforming to RT-Thread coding standards,
maintain consistency with the comment style of the tc_thread.cpp file.

signed-off-by: Liu Chengtao<[email protected]>

Author: lct1001

components/libc/cplusplus/os/cxx_Semaphore.cpp

@@ -12,7 +12,7 @@
 using namespace rtthread;
 
 /** 
- * @brief Semaphore class implementation.
+ * @brief Semaphore class constructor.
  * @param name Semaphore name
  * @param count Initial semaphore count
  */

components/libc/cplusplus/utest/tc_atomic.cpp

@@ -112,7 +112,7 @@ static void test_atomic_basic_int32(void)
     val.fetch_and(14);
     uassert_int_equal(val.load(), 10);
 
-    val.fetch_or(11); //1010
+    val.fetch_or(11); /* 1010 */
     uassert_int_equal(val.load(), 11);
 
     val.fetch_xor(4);
@@ -158,8 +158,8 @@ static void test_atomic_basic_int64(void)
 
     val.fetch_and(14);
     uassert_int_equal(val.load(), 10);
-
-    val.fetch_or(11); //1010
+    
+    val.fetch_or(11); /* 1010 */
     uassert_int_equal(val.load(), 11);
 
     val.fetch_xor(4);
@@ -217,7 +217,7 @@ static void test_memory_order(void)
 {
     std::atomic<int> x(0);
     std::atomic<int> y(0);
-    // Simple test for memory order
+    /* Simple test for memory order */
     x.store(1, std::memory_order_release);
     y.store(2, std::memory_order_release);
     uassert_int_equal(x.load(std::memory_order_acquire), 1);
@@ -234,22 +234,26 @@ static void test_compare_exchange_weak(void)
     int desired = 2;
     while (!val.compare_exchange_weak(expected, desired))
     {
-        expected = 1; // reset
+        /* Reset */
+        expected = 1; 
     }
     uassert_int_equal(val.load(), 2);
 }
-// Test case initialization function.
+/* Test case initialization function. */
 static rt_err_t utest_tc_init(void)
 {
     return RT_EOK;
 }
 
-// Test case cleanup function.
+/* Test case cleanup function.*/
 static rt_err_t utest_tc_cleanup(void)
 {
     return RT_EOK;
 }
 
+/**
+ * @brief Main test case function that runs the test.
+ */
 static void testcase(void)
 {
     /* Test load and store operations for int32_t atomic variables in multi-threaded environment */
@@ -269,4 +273,6 @@ static void testcase(void)
     /* Test compare_exchange_weak operation */
     UTEST_UNIT_RUN(test_compare_exchange_weak);
 }
+
+/* Export the test case with initialization and cleanup functions and a timeout of 10 ticks. */
 UTEST_TC_EXPORT(testcase, "components.libc.cpp.atomic_tc", utest_tc_init, utest_tc_cleanup, 10);

components/libc/cplusplus/utest/tc_smartptr.cpp

@@ -37,6 +37,7 @@ static void test_shared_ptr(void)
 
 /**
  * @brief Test case initialization function.
+ * @return RT_EOK on success.
  */
 static rt_err_t utest_tc_init(void)
 {
@@ -45,17 +46,23 @@ static rt_err_t utest_tc_init(void)
 
 /**
  * @brief Test case cleanup function.
+ * @return RT_EOK on success.
  */
 static rt_err_t utest_tc_cleanup(void)
 {
     return RT_EOK;
 }
 
+/**
+ * @brief Main test case function that runs the test.
+ */
 static void testcase(void)
 {
     /* Test unique_ptr basic operations */
     UTEST_UNIT_RUN(test_unique_ptr);
     /* Test shared_ptr basic operations */
     UTEST_UNIT_RUN(test_shared_ptr);
 }
+
+/* Export the test case with initialization and cleanup functions and a timeout of 10 ticks. */
 UTEST_TC_EXPORT(testcase, "components.libc.cpp.smartptr_tc", utest_tc_init, utest_tc_cleanup, 10);

components/libc/cplusplus/utest/tc_thread.cpp

@@ -55,14 +55,15 @@ static void test_thread(void)
 
 /**
  * @brief Test case initialization function.
+ * @return RT_EOK on success.
  */
-
 static rt_err_t utest_tc_init(void)
 {
     return RT_EOK;
 }
 /**
  * @brief Test case cleanup function.
+ * @return RT_EOK on success.
  */
 static rt_err_t utest_tc_cleanup(void)
 {