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Add file descriptor finalizers

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* doc/ref/posix.texi (Ports and File Descriptors): Document new
  interfaces.
* libguile/filesys.c (scm_close, scm_close_fdes)
* libguile/fports.c (fport_close):
* libguile/ioext.c (scm_primitive_move_to_fdes): Call
  scm_run_fdes_finalizers.
* module/ice-9/fdes-finalizers.scm:
* test-suite/tests/fdes-finalizers.test:
* libguile/fdes-finalizers.h:
* libguile/fdes-finalizers.c: New files.
* module/Makefile.am:
* test-suite/Makefile.am:
* libguile/Makefile.am:
* libguile.h:
* libguile/init.c: Wire up new files.
This commit is contained in:
Andy Wingo 2016-08-30 23:35:10 +02:00
parent 4256e0655f
commit 2fa2e50a0f
13 changed files with 314 additions and 0 deletions
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1
test-suite/Makefile.am
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@ -54,6 +54,7 @@ SCM_TESTS = tests/00-initial-env.test \
tests/eval.test \
tests/eval-string.test \
tests/exceptions.test \
tests/fdes-finalizers.test \
tests/filesys.test \
tests/fluids.test \
tests/foreign.test \

65
test-suite/tests/fdes-finalizers.test Normal file
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@ -0,0 +1,65 @@
;;;; Copyright (C) 2016 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library is distributed in the hope that it will be useful,
;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
(define-module (test-suite test-fdes-finalizers)
#:use-module (test-suite lib)
#:use-module (test-suite guile-test)
#:use-module (ice-9 fdes-finalizers))
(define (test-file suffix)
(data-file-name (string-append "ports-test.tmp" suffix)))
(close-port (open-output-file (test-file ".1")))
(close-port (open-output-file (test-file ".2")))
(with-test-prefix "simple"
(let* ((call-count 0)
(f (lambda (fdes) (set! call-count (1+ call-count))))
(p (open-input-file (test-file ".1")))
(q (open-input-file (test-file ".2"))))
(pass-if-equal 0 call-count)
(add-fdes-finalizer! (fileno p) f)
(pass-if-equal 0 call-count)
(close-port q)
(pass-if-equal 0 call-count)
(close-port p)
(pass-if-equal 1 call-count)))
(with-test-prefix "multiple"
(let* ((call-count 0)
(f (lambda (fdes) (set! call-count (1+ call-count))))
(p (open-input-file (test-file ".1"))))
(pass-if-equal 0 call-count)
(add-fdes-finalizer! (fileno p) f)
(add-fdes-finalizer! (fileno p) f)
(pass-if-equal 0 call-count)
(close-port p)
(pass-if-equal 2 call-count)))
(with-test-prefix "with removal"
(let* ((call-count 0)
(f (lambda (fdes) (set! call-count (1+ call-count))))
(p (open-input-file (test-file ".1"))))
(pass-if-equal 0 call-count)
(add-fdes-finalizer! (fileno p) f)
(add-fdes-finalizer! (fileno p) f)
(remove-fdes-finalizer! (fileno p) f)
(pass-if-equal 0 call-count)
(close-port p)
(pass-if-equal 1 call-count)))
(delete-file (test-file ".1"))
(delete-file (test-file ".2"))