What's the difficulties？Can we use CancelIoEx function on Windows？ 在 2016年5月23日星期一 UTC+8下午3:40:33，Ben Noordhuis写道： > > On Mon, May 23, 2016 at 5:17 AM, Peng Zheng <[email protected] > <javascript:>> wrote: > > Hi, > > > > Consider the following scenario: > > A video encoder keeps feeding H.264 bitstream into a network streaming > > buffer, which several network connections shared. > > The buffer is 'leaky' in the sense that the most dated video frame will > be > > overwritten by the encoder. This leaky feature > > is necessary, since network conditions vary from connection to > connection. > > For performance reason, each time > > we write 8K bytes. > > > > To accommodate slow network connection, when the buffer is about to > leak, we > > need to cancel the current pending > > write request (if any) on the slowest connection. Reading through the > > documentation, I have no clue of how to do this. > > The source code of uv_try_write implies that it might be done. > > > > Does the above use case justify an extension the uv_cancel? > > > > PS: libuv is great. > > A pull request that teaches libuv how to cancel uv_write_t requests > would be welcome. > > The reason it hasn't been done so far (IIRC) is that it's difficult to > implement on Windows. We generally don't add features unless they are > implemented on all platforms. >
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