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(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Jerome Vouillon, projet Cristal, INRIA Rocquencourt *)
(* Objective Caml port by John Malecki and Xavier Leroy *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(***************************** Checkpoints *****************************)
open Primitives
open Debugcom
(*** A type for checkpoints. ***)
type checkpoint_state =
C_stopped
| C_running of int
(* `c_valid' is true if and only if the corresponding
* process is connected to the debugger.
* `c_parent' is the checkpoint whose process is parent
* of the checkpoint one (`root' if no parent).
* c_pid = 2 for root pseudo-checkpoint.
* c_pid = 0 for ghost checkpoints.
* c_pid = -1 for kill checkpoints.
*)
type checkpoint =
{mutable c_time : int;
mutable c_pid : int;
mutable c_fd : io_channel;
mutable c_valid : bool;
mutable c_report : report option;
mutable c_state : checkpoint_state;
mutable c_parent : checkpoint;
mutable c_breakpoint_version : int;
mutable c_breakpoints : (int * int ref) list;
mutable c_trap_barrier : int}
(*** Pseudo-checkpoint `root'. ***)
(* --- Parents of all checkpoints which have no parent. *)
val root : checkpoint
(*** Current state ***)
val checkpoints : checkpoint list ref
val current_checkpoint : checkpoint ref
val current_time : unit -> int
val current_report : unit -> report option
val current_pc : unit -> int option
val current_pc_sp : unit -> (int * int) option
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