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DiningPhil2.sats
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71 lines (49 loc) · 1.08 KB
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(* ****** ****** *)
//
// HX-2013-11
//
// Implementing a variant of
// the problem of Dining Philosophers
//
(* ****** ****** *)
#include
"share/atspre_define.hats"
(* ****** ****** *)
staload "{$LIBATSHWXI}/teaching/mythread/SATS/channel.sats"
(* ****** ****** *)
%{#
#define NPHIL 5
%} // end of [%{#]
#define NPHIL 5
(* ****** ****** *)
typedef nphil = natLt(NPHIL)
(* ****** ****** *)
fun phil_left (n: nphil): nphil
fun phil_right (n: nphil): nphil
(* ****** ****** *)
//
fun phil_loop (n: nphil): void
//
(* ****** ****** *)
fun cleaner_loop ((*void*)): void
(* ****** ****** *)
absvtype fork_vtype = ptr
vtypedef fork = fork_vtype
(* ****** ****** *)
fun fork_get_num (!fork): nphil
(* ****** ****** *)
fun phil_dine
(n: nphil, lf: !fork, rf: !fork): void
// end of [phil_dine]
fun phil_think (n: nphil): void
(* ****** ****** *)
fun cleaner_wash (f: !fork): void
fun cleaner_return (f: fork): void
(* ****** ****** *)
//
fun fork_changet (n: nphil): channel(fork)
//
fun forktray_changet ((*void*)): channel(fork)
//
(* ****** ****** *)
(* end of [DiningPhil2.sats] *)