Update bbox_threads.cpp

src/gausskernel/cbb/bbox/bbox_threads.cpp

@@ -481,15 +481,12 @@ void BBOX_PrintFailedLog(const char* pFileName)
     sys_close(iBboxLogFd);
 }
 
-/*
- * export thread information.
- */
 /*
 function name: BBOX_ListThread
-description: Write log infomation into specific file, if errors arise, print the infomation about errors.
-arguments: The only argument is a pointer of type const char* to a filename string, if this file doesn't
-				   exist, we will creat a new file named it.
-return value: An integer, if function work normally, the value is RET_OK, else is RET_ERR.
+description: Export thread information.
+arguments: The only argument is a structure pointer named pstArgs, its type is struct BBOX_ListParams*,
+				   what matters is its member variable callback function pointer and thread infomation.
+return value: void
 note: none
 date: 2022/8/3
 contact tel: 18720816902
@@ -600,12 +597,18 @@ errout:
 }
 
 /*
- * get return value of child process
- * in      : iClonePid - PID of child process
- *           pstArgs - parameter
- *           iCloneErrno - err code
- * return 0 if success else failed.
- */
+function name: BBOX_GetClonePidResult
+description: The function get the status of child process at first, then according to it assign pstArgs's
+					member variables iError and iResult appropriate values.
+arguments: The first argument is a integer named iClonePid, it represents the pid of child process.
+				   The second argument is a structure pointer named pstArgs, its type is struct BBOX_ListParams*,
+				   what matters is its member variable callback function pointer and thread infomation.
+                   The third argument is a integer indicating error code. 
+return value: An integer, if function work normally, the value is RET_OK, else is RET_ERR.
+note: none
+date: 2022/8/3
+contact tel: 18720816902
+*/
 s32 BBOX_GetClonePidResult(pid_t iClonePid, struct BBOX_ListParams* pstArgs, s32 iCloneErrno)
 {
     s32 iStatus = 0;