# mq-atexit.sh
# ------------------------------------------------------------------------------
#
# Supplementary shell script fragment; always invoked via "mq_require", it
# schedules a command, specified as a supplementary argument to "mq_require",
# to be executed, in sequence, within a shell script exit trap.
#
# ------------------------------------------------------------------------------
#
# $Id$
#
# Written by Keith Marshall <keith@users.osdn.me>
# Copyright (C) 2019, Keith Marshall
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# ------------------------------------------------------------------------------
#
  test "${mq_atexit_hooks+set}" = set || {
    trap 'eval mq_exec_atexit $mq_atexit_hooks' EXIT
    mq_exec_atexit(){ local mq_hook; for mq_hook; do $mq_hook; done; }
  }
  mq_atexit_hooks=${mq_atexit_hooks+"$mq_atexit_hooks "}"'$*'"
#
# ------------------------------------------------------------------------------
# $RCSfile$: end of file
