| 1 | # $NetBSD: suspend,v 1.7 1995/05/11 21:31:17 christos Exp $
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| 2 | # Copyright (c) 1991, 1993
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| 3 | # The Regents of the University of California. All rights reserved.
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| 4 | #
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| 5 | # This code is derived from software contributed to Berkeley by
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| 6 | # Kenneth Almquist.
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| 7 | #
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| 8 | # Redistribution and use in source and binary forms, with or without
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| 9 | # modification, are permitted provided that the following conditions
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| 10 | # are met:
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| 11 | # 1. Redistributions of source code must retain the above copyright
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| 12 | # notice, this list of conditions and the following disclaimer.
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| 13 | # 2. Redistributions in binary form must reproduce the above copyright
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| 14 | # notice, this list of conditions and the following disclaimer in the
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| 15 | # documentation and/or other materials provided with the distribution.
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| 16 | # 3. All advertising materials mentioning features or use of this software
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| 17 | # must display the following acknowledgement:
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| 18 | # This product includes software developed by the University of
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| 19 | # California, Berkeley and its contributors.
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| 20 | # 4. Neither the name of the University nor the names of its contributors
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| 21 | # may be used to endorse or promote products derived from this software
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| 22 | # without specific prior written permission.
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| 23 | #
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| 24 | # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 25 | # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 26 | # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 27 | # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 28 | # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 29 | # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 30 | # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 31 | # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 32 | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 33 | # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 34 | # SUCH DAMAGE.
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| 35 | #
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| 36 | # @(#)suspend 8.2 (Berkeley) 5/4/95
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| 37 |
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| 38 | suspend() {
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| 39 | local -
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| 40 | set +j
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| 41 | kill -TSTP 0
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| 42 | }
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