/**************************************************************************** * Copyright (c) 1998-2002,2003 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 * * and: Thomas E. Dickey 1996-2003 * ****************************************************************************/ /* This file provides sigaction() emulation using sigvec() */ /* Use only if this is non POSIX system */ MODULE_ID("$Id: sigaction.c,v 1.14 2003/12/07 01:06:52 tom Exp $") static int _nc_sigaction(int sig, sigaction_t * sigact, sigaction_t * osigact) { return sigvec(sig, sigact, osigact); } static int _nc_sigemptyset(sigset_t * mask) { *mask = 0; return 0; } static int _nc_sigprocmask(int mode, sigset_t * mask, sigset_t * omask) { sigset_t current = sigsetmask(0); 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; } static int _nc_sigaddset(sigset_t * mask, int sig) { *mask |= sigmask(sig); return 0; } /* not used in lib_tstp.c */ #if 0 static int _nc_sigsuspend(sigset_t * mask) { return sigpause(*mask); } static int _nc_sigdelset(sigset_t * mask, int sig) { *mask &= ~sigmask(sig); return 0; } static int _nc_sigismember(sigset_t * mask, int sig) { return (*mask & sigmask(sig)) != 0; } #endif