1 /* 2 Copyright (c) 1991, 1993 3 The Regents of the University of California. All rights reserved. 4 c) UNIX System Laboratories, Inc. 5 All or some portions of this file are derived from material licensed 6 to the University of California by American Telephone and Telegraph 7 Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 the permission of UNIX System Laboratories, Inc. 9 10 Redistribution and use in source and binary forms, with or without 11 modification, are permitted provided that the following conditions 12 are met: 13 1. Redistributions of source code must retain the above copyright 14 notice, this list of conditions and the following disclaimer. 15 2. Redistributions in binary form must reproduce the above copyright 16 notice, this list of conditions and the following disclaimer in the 17 documentation and/or other materials provided with the distribution. 18 3. Neither the name of the University nor the names of its contributors 19 may be used to endorse or promote products derived from this software 20 without specific prior written permission. 21 22 THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 SUCH DAMAGE. 33 */ 34 #ifndef _SIGNAL_H_ 35 #define _SIGNAL_H_ 36 37 #include "_ansi.h" 38 #include <sys/cdefs.h> 39 #include <sys/signal.h> 40 41 _BEGIN_STD_C 42 43 typedef int sig_atomic_t; /* Atomic entity type (ANSI) */ 44 #if __BSD_VISIBLE 45 typedef _sig_func_ptr sig_t; /* BSD naming */ 46 #endif 47 #if __GNU_VISIBLE 48 typedef _sig_func_ptr sighandler_t; /* glibc naming */ 49 #endif 50 51 #define SIG_DFL ((_sig_func_ptr)0) /* Default action */ 52 #define SIG_IGN ((_sig_func_ptr)1) /* Ignore action */ 53 #define SIG_ERR ((_sig_func_ptr)-1) /* Error return */ 54 55 #ifndef _REENT_ONLY 56 _sig_func_ptr signal (int, _sig_func_ptr); 57 int raise (int); 58 void psignal (int, const char *); 59 #endif 60 61 _END_STD_C 62 63 #endif /* _SIGNAL_H_ */ 64
