Linux has both POSIX 4 async_io and a completion ports port. I also think that read() is non reintrant and we should your mmap().. I don't know.. i'm sick quickpost and I don't have my resources availible at this moment.
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++[>++++++<-]>[<++++++>-]<.>++++[>+++++<-]>[<
+++++>-]<+.+++++++..+++.>>+++++[<++++++>-]<+
+.<<+++++++++++++++.>.+++.------.--------.>+.
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