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> On Sun, 21 Jun 1998, John Kodis wrote: > > > status = sys$qio( > > READ_OPCODE, fd, buffer, sizeof(buffer), > > get called with the ast_parameter in the context of the process that > > posted the QIO. This provided a powerful and easy-to-use method of > > dealing with async IO. It's one of the few VMS features that I wish > > Unix supported. This kind of asynchronous I/O is defined in the Posix RT specification and should all be in glibc 2.1.x at some point (the 2.1.x kernel has real time signals - which queue and contain one byte of data - the C library can do the rest with clone() and signal handlers). > Yep, this was very cool. I used it for great effect in a MUD game I wrote > on VAX/VMS 5.1 yonks ago at university. VaxMUD ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu | ||||||||||||
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