programmed I-O operation 程序输入输出操作
O operation checking device 运行检验装置
o-operation- 运算
micro o operation 微观操作
O&M Operation and Maintenance 运行和维修 ; 运营要求 ; 操作维护
o Operation and alarm indications 操作及报警指示
O&C Operation and Checkout 操作与验核 ; 原有误差
The user-mode application requests to read/write from some device, i. e. makes I/O operation.
的用户模式应用程序请求读取某些设备/写,即让I / O操作。
So, if a thread is blocked in an I/O operation on a channel, another thread can close that channel.
所以,如果一个线程在某条通道的 I/O 操作上阻塞时,那么另一个线程可以将这条通道关闭。
res is the usual result of an I/O operation: the number of bytes transfered, or a negative error code.
res是IO操作的通常结果:传输的字节数,或者负值的错误码。
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