On 9/23/07, skaller <[EMAIL PROTECTED]> wrote:
> Never used, reserved for fork/join primitives, eg:
>
> do p1; p2; p3; done; // sequential
> fork p1; p2; p3; join; // parallel
Interesting. I ran into something like that in an animation system. I
think join and pi calculus has that too. However, instead of ';', they
use '|' or '&' as a separator.
> Windows doesn't have an os 'fork', it uses CreateProcess.
> If you want to avoid the name 'fork' use 'posix_fork'.
>
> Note that Cygwin can run BOTH Posix and Windows functions.
The idea was for the os-native wrappers to be done with something like this:
module Posix::Process {
gen fork: () -> int;
}
module Win32::Process {
gen CreateProcess: () -> int; // or whatever that interface is
}
module Process {
gen fork (): int =>
if WINDOWS then Win32::Process::CreateProcess () else
Posix::Process::fork () endif
;
}
> HOWEVER if you really want, 'fork' can be unkeyworded:
> it can still be used as a 'special identifier' in the
> grammar provided it doesn't look like an application
> which it does in the above 'parallel' example.
I'd prefer to avoid issues confusing a system call like fork and
parallel primitives. I'll have to think about this.
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