From 9e7e4ab6617fef1d1681fc2d3e02554264ccc954 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 13:13:18 +0200 Subject: Adding upstream version 1:8.4p1. Signed-off-by: Daniel Baumann --- openbsd-compat/sigact.c | 132 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 132 insertions(+) create mode 100644 openbsd-compat/sigact.c (limited to 'openbsd-compat/sigact.c') diff --git a/openbsd-compat/sigact.c b/openbsd-compat/sigact.c new file mode 100644 index 0000000..d67845c --- /dev/null +++ b/openbsd-compat/sigact.c @@ -0,0 +1,132 @@ +/* $OpenBSD: sigaction.c,v 1.4 2001/01/22 18:01:48 millert Exp $ */ + +/**************************************************************************** + * Copyright (c) 1998,2000 Free Software Foundation, Inc. * + * * + * 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, distribute with modifications, 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 ABOVE 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. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Zeyd M. Ben-Halim 1992,1995 * + * and: Eric S. Raymond * + ****************************************************************************/ + +/* OPENBSD ORIGINAL: lib/libcurses/base/sigaction.c */ + +#include "includes.h" +#include +#include +#include "sigact.h" + +/* This file provides sigaction() emulation using sigvec() */ +/* Use only if this is non POSIX system */ + +#if !HAVE_SIGACTION && HAVE_SIGVEC + +int +sigaction(int sig, struct sigaction *sigact, struct sigaction *osigact) +{ + return sigvec(sig, sigact ? &sigact->sv : NULL, + osigact ? &osigact->sv : NULL); +} + +int +sigemptyset (sigset_t *mask) +{ + if (!mask) { + errno = EINVAL; + return -1; + } + *mask = 0; + return 0; +} + +int +sigprocmask (int mode, sigset_t *mask, sigset_t *omask) +{ + sigset_t current = sigsetmask(0); + + if (!mask) { + errno = EINVAL; + return -1; + } + + if (omask) + *omask = current; + + if (mode == SIG_BLOCK) + current |= *mask; + else if (mode == SIG_UNBLOCK) + current &= ~*mask; + else if (mode == SIG_SETMASK) + current = *mask; + + sigsetmask(current); + return 0; +} + +int +sigsuspend (sigset_t *mask) +{ + if (!mask) { + errno = EINVAL; + return -1; + } + return sigpause(*mask); +} + +int +sigdelset (sigset_t *mask, int sig) +{ + if (!mask) { + errno = EINVAL; + return -1; + } + *mask &= ~sigmask(sig); + return 0; +} + +int +sigaddset (sigset_t *mask, int sig) +{ + if (!mask) { + errno = EINVAL; + return -1; + } + *mask |= sigmask(sig); + return 0; +} + +int +sigismember (sigset_t *mask, int sig) +{ + if (!mask) { + errno = EINVAL; + return -1; + } + return (*mask & sigmask(sig)) != 0; +} + +#endif -- cgit v1.2.3