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d4af9e693f
I have worked hard to reduce diffs against the vendor branch. One notable change in that respect is that we no longer prefer DSA over RSA - the reasons for doing so went away years ago. This may cause some surprises, as ssh will warn about unknown host keys even for hosts whose keys haven't changed. MFC after: 6 weeks
133 lines
3.8 KiB
C
133 lines
3.8 KiB
C
/* $OpenBSD: sigaction.c,v 1.4 2001/01/22 18:01:48 millert Exp $ */
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/****************************************************************************
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* Copyright (c) 1998,2000 Free Software Foundation, Inc. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the *
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* "Software"), to deal in the Software without restriction, including *
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* without limitation the rights to use, copy, modify, merge, publish, *
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* distribute, distribute with modifications, sublicense, and/or sell *
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* copies of the Software, and to permit persons to whom the Software is *
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* furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included *
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* in all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* Except as contained in this notice, the name(s) of the above copyright *
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* holders shall not be used in advertising or otherwise to promote the *
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* sale, use or other dealings in this Software without prior written *
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* authorization. *
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****************************************************************************/
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/****************************************************************************
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* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
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* and: Eric S. Raymond <esr@snark.thyrsus.com> *
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****************************************************************************/
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/* OPENBSD ORIGINAL: lib/libcurses/base/sigaction.c */
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#include "includes.h"
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#include <errno.h>
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#include <signal.h>
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#include "sigact.h"
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/* This file provides sigaction() emulation using sigvec() */
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/* Use only if this is non POSIX system */
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#if !HAVE_SIGACTION && HAVE_SIGVEC
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int
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sigaction(int sig, struct sigaction *sigact, struct sigaction *osigact)
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{
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return sigvec(sig, sigact ? &sigact->sv : NULL,
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osigact ? &osigact->sv : NULL);
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}
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int
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sigemptyset (sigset_t *mask)
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{
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if (!mask) {
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errno = EINVAL;
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return -1;
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}
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*mask = 0;
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return 0;
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}
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int
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sigprocmask (int mode, sigset_t *mask, sigset_t *omask)
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{
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sigset_t current = sigsetmask(0);
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if (!mask) {
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errno = EINVAL;
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return -1;
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}
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if (omask)
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*omask = current;
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if (mode == SIG_BLOCK)
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current |= *mask;
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else if (mode == SIG_UNBLOCK)
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current &= ~*mask;
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else if (mode == SIG_SETMASK)
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current = *mask;
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sigsetmask(current);
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return 0;
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}
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int
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sigsuspend (sigset_t *mask)
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{
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if (!mask) {
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errno = EINVAL;
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return -1;
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}
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return sigpause(*mask);
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}
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int
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sigdelset (sigset_t *mask, int sig)
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{
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if (!mask) {
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errno = EINVAL;
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return -1;
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}
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*mask &= ~sigmask(sig);
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return 0;
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}
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int
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sigaddset (sigset_t *mask, int sig)
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{
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if (!mask) {
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errno = EINVAL;
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return -1;
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}
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*mask |= sigmask(sig);
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return 0;
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}
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int
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sigismember (sigset_t *mask, int sig)
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{
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if (!mask) {
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errno = EINVAL;
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return -1;
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}
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return (*mask & sigmask(sig)) != 0;
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}
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#endif
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