Terry Lambert wrote: > Peter Wemm wrote: > > No. It gives the ability for a thread to block on a syscall without > > stalling the entire system. Just try using mysqld on a system using libc_r > > and heavy disk IO. You can't select() on a read() from disk. Thats the > > ultimate reason to do it. The SMP parallelism is a bonus. > > Bug in FreeBSD's NBIO implementation. A read() that would result > in page-in needs to queue the request, but return EAGAIN to user > space to indicate the request cannot be satisfied. Making select() > come true for disk I/O after the fault is satisfied is a seperate > issue. Probably need to pass the fd all the way down.
Umm Terry.. we have zero infrastructure to support this. Cheers, -Peter -- Peter Wemm - [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED] "All of this is for nothing if we don't go to the stars" - JMS/B5 _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "[EMAIL PROTECTED]"