X-Git-Url: https://jxself.org/git/?p=8sync.git;a=blobdiff_plain;f=8sync%2Factors.scm;h=c805067b21def054ff2d3f6233e89824671a96e9;hp=1d8e6023aa3b19bcb8350e4ee35d759cc3f59021;hb=4998e7a9fe3b303923d918cd6087633d5302274f;hpb=84a19e7d4cb97e00a64191e1ecfcf984ffae52d1 diff --git a/8sync/actors.scm b/8sync/actors.scm index 1d8e602..c805067 100644 --- a/8sync/actors.scm +++ b/8sync/actors.scm @@ -1,5 +1,5 @@ ;;; 8sync --- Asynchronous programming for Guile -;;; Copyright (C) 2016 Christopher Allan Webber +;;; Copyright © 2016, 2017 Christopher Allan Webber ;;; ;;; This file is part of 8sync. ;;; @@ -342,22 +342,9 @@ to come after class definition." (*cleanup* (const #f))) #:allocation #:each-subclass)) -;;; So these are the nicer representations of addresses. -;;; However, they don't serialize so easily with scheme read/write, so we're -;;; using the simpler cons cell version below for now. - -;; (define-record-type
-;; (make-address actor-id hive-id) ; @@: Do we want the trailing -id? -;; address? -;; (actor-id address-actor-id) -;; (hive-id address-hive-id)) -;; -;; (set-record-type-printer! -;;
-;; (lambda (record port) -;; (format port "" -;; (address-actor-id record) (address-hive-id record)))) -;; +;;; Addresses are vectors where the first part is the actor-id and +;;; the second part is the hive-id. This works well enough... they +;;; look decent being pretty-printed. (define (make-address actor-id hive-id) (vector actor-id hive-id)) @@ -779,17 +766,32 @@ its '*cleanup* action handler." ;;; ========================= (define* (run-hive hive initial-tasks - #:key (cleanup #t)) - "Start up an agenda and run HIVE in it with INITIAL-TASKS." + #:key (cleanup #t) + (handle-signals (list SIGINT SIGTERM))) + "Start up an agenda and run HIVE in it with INITIAL-TASKS. + +Keyword arguments: + - #:cleanup: Whether to run *cleanup* on all actors. + - #:handle-sigactions: a list of signals to set up interrupt + handlers for, so cleanup sill still happen as expected. + Defaults to a list of SIGINT and SIGTERM." (dynamic-wind (const #f) (lambda () - (let* ((queue (list->q - (cons (bootstrap-message hive (actor-id hive) '*init-all*) - initial-tasks))) - (agenda (make-agenda #:pre-unwind-handler print-error-and-continue - #:queue queue))) - (run-agenda agenda))) + (define (run-it escape) + (define (handle-signal signum) + (restore-signals) + (escape signum)) + (for-each (lambda (signum) + (sigaction signum handle-signal)) + handle-signals) + (let* ((queue (list->q + (cons (bootstrap-message hive (actor-id hive) '*init-all*) + initial-tasks))) + (agenda (make-agenda #:pre-unwind-handler print-error-and-continue + #:queue queue))) + (run-agenda agenda))) + (call/ec run-it)) ;; Run cleanup (lambda () (when cleanup