1.add an API of finding the first user task in xiuos task manage list; 2.add restart application after ota

APP_Framework/Framework/transform_layer/xiuos/transform.c

@@ -79,6 +79,11 @@ int PrivTaskStartup(pthread_t *thread)
 {
     return 0;
 }
+/* private API of xiuos to search the first user task in manage list */
+int PrivUserTaskSearch(void)
+{
+    return UserTaskSearch();
+}
 
 int PrivTaskDelete(pthread_t thread, int sig)
 {

APP_Framework/Framework/transform_layer/xiuos/transform.h

@@ -171,6 +171,7 @@ int PrivTaskStartup(pthread_t *thread);
 int PrivTaskDelete(pthread_t thread, int sig);
 void PrivTaskQuit(void *value_ptr);
 int PrivTaskDelay(int32_t ms);
+int PrivUserTaskSearch(void);
 
 /*********************driver*************************/
 

APP_Framework/Framework/transform_layer/xiuos/user_api/posix_support/pthread.c

@@ -99,6 +99,7 @@ int pthread_setcanceltype(int type, int *oldtype)
 int pthread_kill(pthread_t thread, int sig)
 {
     /* This api should not be used, and will not be supported */
+    UserTaskDelete(thread);
     return -1;
 }
 

APP_Framework/Framework/transform_layer/xiuos/user_api/switch_api/user_api.h

@@ -60,6 +60,7 @@ int32_t UserTaskCreate(UtaskType utask);
 
 long UserTaskStartup(int32_t id);
 long UserTaskDelete(int32_t id);
+long UserTaskSearch(void);
 void UserTaskQuit(void);
 long UserTaskDelay(int32_t ms);
 long UserGetTaskName(int32_t id ,char *name);
@@ -185,6 +186,7 @@ int32_t UserTaskCreate(UtaskType utask);
 #define UserTaskDelete           KTaskDelete
 #define UserTaskQuit             KTaskQuit
 #define UserTaskDelay            MdelayKTask
+#define UserTaskSearch           UTaskSearch
 
 long UserGetTaskName(int32_t id ,char *name);
 int32_t UserGetTaskID(void);

APP_Framework/Framework/transform_layer/xiuos/user_api/switch_api/user_task.c

@@ -60,6 +60,17 @@ x_err_t UserTaskDelete(int32_t id){
     return (x_err_t)KSwitch1(KS_USER_TASK_DELETE,(uintptr_t)id);
 }
 
+/**
+ * This function will find the first user task in task manage list.
+ *
+ * @param 
+ *
+ * @return task id on success; EINVALED on failure
+ */
+x_err_t UserTaskSearch(void){
+    return KSwitch0(KS_USER_TASK_SEARCH);
+}
+
 void UserTaskQuit(void){
     KSwitch0(KS_USER_TASK_EXECEXIT);
     return ;