guile/module/ice-9/atomic.scm
Andy Wingo 3425290a7b Add atomic boxes
* doc/ref/api-scheduling.texi (Atomics): New manual section.
* libguile.h: Include atomic.h.
* libguile/Makefile.am (libguile_@GUILE_EFFECTIVE_VERSION@_la_SOURCES):
  (DOT_X_FILES, DOT_DOC_FILES, modinclude_HEADERS): Add atomic.
* libguile/atomic.c:
* libguile/atomic.h: New files.
* libguile/atomics-internal.h (scm_atomic_set_scm, scm_atomic_ref_scm)
  (scm_atomic_swap_scm, scm_atomic_compare_and_swap_scm): New
  facilities.
* libguile/goops.c (class_atomic_box, scm_sys_goops_early_init): Add
  support for <atomic-box>.  Remove duplicate <keyword> fetch.
* libguile/init.c (scm_i_init_guile): Call scm_register_atomic_box.
* libguile/print.c (iprin1): Add atomic box case.
* libguile/tags.h (scm_tc7_atomic_box): New tag.
* libguile/validate.h (SCM_VALIDATE_ATOMIC_BOX): New macro.
* module/Makefile.am (SOURCES): Add ice-9/atomic.scm.
* module/ice-9/atomic.scm: New file.
* module/oop/goops.scm (<atomic-box>): New var.
2016-09-06 11:16:53 +02:00

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1.2 KiB
Scheme

;; Atomic operations
;;;; 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 (ice-9 atomic)
#:export (make-atomic-box
atomic-box?
atomic-box-ref
atomic-box-set!
atomic-box-swap!
atomic-box-compare-and-swap!))
(eval-when (expand load eval)
(load-extension (string-append "libguile-" (effective-version))
"scm_init_atomic"))