2 * CDE - Common Desktop Environment
4 * Copyright (c) 1993-2012, The Open Group. All rights reserved.
6 * These libraries and programs are free software; you can
7 * redistribute them and/or modify them under the terms of the GNU
8 * Lesser General Public License as published by the Free Software
9 * Foundation; either version 2 of the License, or (at your option)
12 * These libraries and programs are distributed in the hope that
13 * they will be useful, but WITHOUT ANY WARRANTY; without even the
14 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU Lesser General Public License for more
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with these librararies and programs; if not, write
20 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
21 * Floor, Boston, MA 02110-1301 USA
23 /* $XConsortium: signal.c /main/4 1996/09/09 11:00:49 rswiston $ */
24 /***************************************************************
26 * AT&T - PROPRIETARY *
28 * THIS IS PROPRIETARY SOURCE CODE LICENSED BY *
31 * Copyright (c) 1995 AT&T Corp. *
32 * All Rights Reserved *
34 * This software is licensed by AT&T Corp. *
35 * under the terms and conditions of the license in *
36 * http://www.research.att.com/orgs/ssr/book/reuse *
38 * This software was created by the *
39 * Software Engineering Research Department *
40 * AT&T Bell Laboratories *
42 * For further information contact *
43 * gsf@research.att.com *
45 ***************************************************************/
47 /* : : generated by proto : : */
49 #if !defined(__PROTO__)
50 #if defined(__STDC__) || defined(__cplusplus) || defined(_proto) || defined(c_plusplus)
51 #if defined(__cplusplus)
52 #define __MANGLE__ "C"
57 #define __PROTO__(x) x
59 #define __PARAM__(n,o) n
60 #if !defined(__STDC__) && !defined(__cplusplus)
61 #if !defined(c_plusplus)
72 #define __PROTO__(x) ()
73 #define __OTORP__(x) x
74 #define __PARAM__(n,o) o
82 #if defined(__cplusplus) || defined(c_plusplus)
83 #define __VARARG__ ...
87 #if defined(__STDARG__)
88 #define __VA_START__(p,a) va_start(p,a)
90 #define __VA_START__(p,a) va_start(p)
93 #if defined(__STDPP__directive) && defined(__STDPP__hide)
94 __STDPP__directive pragma pp:hide signal
96 #define signal ______signal
102 #if defined(__STDPP__directive) && defined(__STDPP__hide)
103 __STDPP__directive pragma pp:nohide signal
108 #if !_std_signal && (_lib_sigaction && defined(SA_NOCLDSTOP) || _lib_sigvec && defined(SV_INTERRUPT))
110 #if !defined(SA_NOCLDSTOP) || !defined(SA_INTERRUPT) && defined(SV_INTERRUPT)
111 #define SA_INTERRUPT SV_INTERRUPT
112 #define sigaction sigvec
113 #define sigemptyset(p) (*(p)=0)
114 #define sa_flags sv_flags
118 #define sa_handler sv_handler
119 #define sa_mask sv_mask
123 signal __PARAM__((int sig, Handler_t fun), (sig, fun)) __OTORP__(int sig; Handler_t fun;){
127 memzero(&na, sizeof(na));
129 #if defined(SA_INTERRUPT) || defined(SA_RESTART)
132 #if defined(SIGIO) || defined(SIGTSTP) || defined(SIGTTIN) || defined(SIGTTOU)
145 #if defined(SA_RESTART)
146 na.sa_flags = SA_RESTART;
151 #if defined(SA_INTERRUPT)
152 na.sa_flags = SA_INTERRUPT;
157 return(sigaction(sig, &na, &oa) ? (Handler_t)0 : oa.sa_handler);