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/* |
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* Copyright (c) 1989 The Regents of the University of California. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#include <signal.h> |
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int |
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sigvec(int signo, struct sigvec *sv, struct sigvec *osv) |
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{ |
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int ret; |
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struct sigvec nsv; |
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if (sv) { |
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nsv = *sv; |
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nsv.sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */ |
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} |
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ret = WRAP(sigaction)(signo, sv ? (struct sigaction *)&nsv : NULL, |
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(struct sigaction *)osv); |
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if (ret == 0 && osv) |
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osv->sv_flags ^= SV_INTERRUPT; /* !SA_INTERRUPT */ |
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return (ret); |
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} |
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int |
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sigsetmask(int mask) |
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{ |
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int omask, n; |
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n = WRAP(sigprocmask)(SIG_SETMASK, (sigset_t *) &mask, |
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(sigset_t *) &omask); |
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if (n) |
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return (n); |
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return (omask); |
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} |
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int |
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sigblock(int mask) |
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{ |
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int omask, n; |
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n = WRAP(sigprocmask)(SIG_BLOCK, (sigset_t *) &mask, |
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(sigset_t *) &omask); |
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if (n) |
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return (n); |
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return (omask); |
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} |
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int |
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sigpause(int mask) |
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{ |
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return (sigsuspend((sigset_t *)&mask)); |
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} |