5、OS_ERR_POST_NULL_PTR --- 消息缓冲区不能为空; 5函数主体在os_mbox.c中 向邮箱发送一则消息可以用下面函数,功能更强大,可发送广播消息 INT8U OSMboxPostOpt (OS_EVENT *pevent, void *msg, INT8U opt) OSMboxQuery()查询一个邮箱的状态 1...
三方件@ohos/axios中发起post请求,如何以queryParams形式传递参数 ArkTS中HTTP请求如何以JSON形式进行传输 手机网络正常,但是调用connection.hasDefaultNet()接口失败 按照Axios三方库的下载安装步骤安装Axios,报错404如何解决 在ArkTS中,HTTP请求头中header参数中的key是否区分大小写 httpRequest.request 请求https接...
*opt determines the type of ABORT performed:* OS_PEND_OPT_NONE ABORT wait for a single task (HPT) waiting on the *queue* OS_PEND_OPT_BROADCAST ABORT wait for ALL tasks that are waiting on the *queue* *perr is a pointer to where an error message will be deposited. Possible error* m...
那消息的OS_OPT_PEND_NON_BLOCKING功能好像就没有用处了，只要打开他，他所有在的任务就一直占用着CPU...
//获取信号量计数值到 ctr p_sem->TS = ts; //保存时间戳 CPU_CRITICAL_EXIT(); //则开中断 *p_err = OS_ERR_NONE; //返回错误类型为“无错误” return (ctr); //返回信号量的计数值,不继续执行 } OS_CRITICAL_ENTER_CPU_EXIT(); //加锁调度器,但开中断 if ((opt & OS_OPT_POST_ALL) ...
个人曾经在不同机器配置以及不同的Windows系统当中个人尝试多次安装Postgresql,发现每一次情况都不一样,强烈建议读者使用虚拟机的Linux系统安装Postgresql...
15 arch/<arch>/lib/bootm.c All preparation done, transferring control to OS -30 arch/powerpc/lib/board.c Fatal error, hang the system -31 post/post.c POST test failed, detected by post_output_backlog() -32 post/post.c POST test failed, detected by post_run_single() 34 common/cmd...
`req.HTTPMethod = "POST"` let task = oauth2.session.dataTaskWithRequest(req) { data, response, error in if let error = error { // something went wrong, check the error } else { // check the response and the data // you have just received data with an OAuth2-signed request! } ...
出现的概率非常高,因此先放在这里介绍。 1)OS_ERR_NONE:正常情况,没错误。 2)OS_ERROBJ_TYPE:内核对象类型错误,根据判断内核对象变量的元素Type即可知道内核类型是否错误,比如在一个定时器删除函数中,可以根据元素来判断输入的内核对象变量是否是定时器类型。 3)OS_ERR_OPT_INVALID:选项设置有误。 4)OS_...
GDAL is an open source MIT licensed translator library for raster and vector geospatial data formats. - gdal/gdal/NEWS at v3.3.0 · OSGeo/gdal