Has there ever been any mention of using IOCP or something on Windows? The Win32 implementation currently uses select() and still imposes the limit, which was mainly why I was asking.
Furthermore, does there appear to be any activity on this project regarding Windows at all? -- Roger Clark [EMAIL PROTECTED] On 11/18/06, Steven Grimm <[EMAIL PROTECTED]> wrote:
It avoids using select() unless there's absolutely no other choice, in part because of the artificial limits of select() but mostly because select() is inefficient for large numbers of monitored file descriptors. Most of the point of libevent is that it's a generic wrapper around OS-specific event notification mechanisms that don't have the kinds of problems select() has. It will use the best available mechanism on whatever platform you're on. I can't say anything about Win32 in particular, but most platforms at the very least support poll(), which shares some of select()'s efficiency problems but at least doesn't have a small compile-time limit on the number of pollable file descriptors. All the significant modern UNIX-ish platforms support much better mechanisms than poll(): kqueue on BSD, event ports on Solaris, epoll on Linux, etc. If you're coding to libevent's API you don't have to worry about the details of the underlying notification mechanism. -Steve
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