Darren Tucker | 30d6974 | 2005-11-10 19:29:12 +1100 | [diff] [blame] | 1 | /* $OpenBSD: sigaction.c,v 1.4 2001/01/22 18:01:48 millert Exp $ */ |
Damien Miller | 31abc9a | 2000-07-09 23:26:27 +1000 | [diff] [blame] | 2 | |
| 3 | /**************************************************************************** |
Darren Tucker | 30d6974 | 2005-11-10 19:29:12 +1100 | [diff] [blame] | 4 | * Copyright (c) 1998,2000 Free Software Foundation, Inc. * |
Damien Miller | 31abc9a | 2000-07-09 23:26:27 +1000 | [diff] [blame] | 5 | * * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a * |
| 7 | * copy of this software and associated documentation files (the * |
| 8 | * "Software"), to deal in the Software without restriction, including * |
| 9 | * without limitation the rights to use, copy, modify, merge, publish, * |
| 10 | * distribute, distribute with modifications, sublicense, and/or sell * |
| 11 | * copies of the Software, and to permit persons to whom the Software is * |
| 12 | * furnished to do so, subject to the following conditions: * |
| 13 | * * |
| 14 | * The above copyright notice and this permission notice shall be included * |
| 15 | * in all copies or substantial portions of the Software. * |
| 16 | * * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
| 20 | * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
| 21 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
| 22 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
| 23 | * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
| 24 | * * |
| 25 | * Except as contained in this notice, the name(s) of the above copyright * |
| 26 | * holders shall not be used in advertising or otherwise to promote the * |
| 27 | * sale, use or other dealings in this Software without prior written * |
| 28 | * authorization. * |
| 29 | ****************************************************************************/ |
| 30 | |
| 31 | /**************************************************************************** |
| 32 | * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * |
| 33 | * and: Eric S. Raymond <esr@snark.thyrsus.com> * |
| 34 | ****************************************************************************/ |
| 35 | |
Darren Tucker | 7f24a0e | 2005-11-10 16:18:56 +1100 | [diff] [blame] | 36 | /* OPENBSD ORIGINAL: lib/libcurses/base/sigaction.c */ |
| 37 | |
Ben Lindstrom | dd21fe9 | 2002-06-27 18:23:20 +0000 | [diff] [blame] | 38 | #include "includes.h" |
Ben Lindstrom | 819f1be | 2001-09-29 14:27:00 +0000 | [diff] [blame] | 39 | #include <signal.h> |
Ben Lindstrom | 803f16c | 2001-02-24 00:24:19 +0000 | [diff] [blame] | 40 | #include "sigact.h" |
Damien Miller | 31abc9a | 2000-07-09 23:26:27 +1000 | [diff] [blame] | 41 | |
| 42 | /* This file provides sigaction() emulation using sigvec() */ |
| 43 | /* Use only if this is non POSIX system */ |
| 44 | |
| 45 | #if !HAVE_SIGACTION && HAVE_SIGVEC |
| 46 | |
| 47 | int |
| 48 | sigaction(int sig, struct sigaction *sigact, struct sigaction *osigact) |
| 49 | { |
| 50 | return sigvec(sig, &(sigact->sv), &(osigact->sv)); |
| 51 | } |
| 52 | |
| 53 | int |
| 54 | sigemptyset (sigset_t * mask) |
| 55 | { |
| 56 | *mask = 0; |
| 57 | return 0; |
| 58 | } |
| 59 | |
| 60 | int |
| 61 | sigprocmask (int mode, sigset_t * mask, sigset_t * omask) |
| 62 | { |
| 63 | sigset_t current = sigsetmask(0); |
| 64 | |
| 65 | if (omask) *omask = current; |
| 66 | |
| 67 | if (mode==SIG_BLOCK) |
| 68 | current |= *mask; |
| 69 | else if (mode==SIG_UNBLOCK) |
| 70 | current &= ~*mask; |
| 71 | else if (mode==SIG_SETMASK) |
| 72 | current = *mask; |
| 73 | |
| 74 | sigsetmask(current); |
| 75 | return 0; |
| 76 | } |
| 77 | |
| 78 | int |
| 79 | sigsuspend (sigset_t * mask) |
| 80 | { |
| 81 | return sigpause(*mask); |
| 82 | } |
| 83 | |
| 84 | int |
| 85 | sigdelset (sigset_t * mask, int sig) |
| 86 | { |
| 87 | *mask &= ~sigmask(sig); |
| 88 | return 0; |
| 89 | } |
| 90 | |
| 91 | int |
| 92 | sigaddset (sigset_t * mask, int sig) |
| 93 | { |
| 94 | *mask |= sigmask(sig); |
| 95 | return 0; |
| 96 | } |
| 97 | |
| 98 | int |
| 99 | sigismember (sigset_t * mask, int sig) |
| 100 | { |
| 101 | return (*mask & sigmask(sig)) != 0; |
| 102 | } |
| 103 | |
| 104 | #endif |