1251875Speter/**************************************************************************** 2251875Speter * Copyright (c) 1998-2002,2003 Free Software Foundation, Inc. * 3251875Speter * * 4251875Speter * Permission is hereby granted, free of charge, to any person obtaining a * 5251875Speter * copy of this software and associated documentation files (the * 6251875Speter * "Software"), to deal in the Software without restriction, including * 7251875Speter * without limitation the rights to use, copy, modify, merge, publish, * 8251875Speter * distribute, distribute with modifications, sublicense, and/or sell * 9251875Speter * copies of the Software, and to permit persons to whom the Software is * 10251875Speter * furnished to do so, subject to the following conditions: * 11251875Speter * * 12251875Speter * The above copyright notice and this permission notice shall be included * 13251875Speter * in all copies or substantial portions of the Software. * 14251875Speter * * 15251875Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16251875Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17251875Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18251875Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19251875Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20251875Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21251875Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22251875Speter * * 23251875Speter * Except as contained in this notice, the name(s) of the above copyright * 24251875Speter * holders shall not be used in advertising or otherwise to promote the * 25251875Speter * sale, use or other dealings in this Software without prior written * 26251875Speter * authorization. * 27251875Speter ****************************************************************************/ 28251875Speter 29251875Speter/**************************************************************************** 30251875Speter * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 31251875Speter * and: Eric S. Raymond <esr@snark.thyrsus.com> * 32251875Speter * and: Thomas E. Dickey 1996-2003 * 33251875Speter ****************************************************************************/ 34251875Speter 35251875Speter/* This file provides sigaction() emulation using sigvec() */ 36251875Speter/* Use only if this is non POSIX system */ 37251875Speter 38251875SpeterMODULE_ID("$Id: sigaction.c,v 1.14 2003/12/07 01:06:52 tom Exp $") 39251875Speter 40251875Speterstatic int 41251875Speter_nc_sigaction(int sig, sigaction_t * sigact, sigaction_t * osigact) 42251875Speter{ 43251875Speter return sigvec(sig, sigact, osigact); 44251875Speter} 45251875Speter 46251875Speterstatic int 47251875Speter_nc_sigemptyset(sigset_t * mask) 48251875Speter{ 49251875Speter *mask = 0; 50251875Speter return 0; 51251875Speter} 52251875Speter 53251875Speterstatic int 54251875Speter_nc_sigprocmask(int mode, sigset_t * mask, sigset_t * omask) 55251875Speter{ 56251875Speter sigset_t current = sigsetmask(0); 57251875Speter 58251875Speter if (omask) 59251875Speter *omask = current; 60251875Speter 61 if (mode == SIG_BLOCK) 62 current |= *mask; 63 else if (mode == SIG_UNBLOCK) 64 current &= ~*mask; 65 else if (mode == SIG_SETMASK) 66 current = *mask; 67 68 sigsetmask(current); 69 return 0; 70} 71 72static int 73_nc_sigaddset(sigset_t * mask, int sig) 74{ 75 *mask |= sigmask(sig); 76 return 0; 77} 78 79/* not used in lib_tstp.c */ 80#if 0 81static int 82_nc_sigsuspend(sigset_t * mask) 83{ 84 return sigpause(*mask); 85} 86 87static int 88_nc_sigdelset(sigset_t * mask, int sig) 89{ 90 *mask &= ~sigmask(sig); 91 return 0; 92} 93 94static int 95_nc_sigismember(sigset_t * mask, int sig) 96{ 97 return (*mask & sigmask(sig)) != 0; 98} 99#endif 100