1 /**************************************************************************** 2 * Copyright (c) 1998 Free Software Foundation, Inc. * 3 * * 4 * Permission is hereby granted, free of charge, to any person obtaining a * 5 * copy of this software and associated documentation files (the * 6 * "Software"), to deal in the Software without restriction, including * 7 * without limitation the rights to use, copy, modify, merge, publish, * 8 * distribute, distribute with modifications, sublicense, and/or sell * 9 * copies of the Software, and to permit persons to whom the Software is * 10 * furnished to do so, subject to the following conditions: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 * * 23 * Except as contained in this notice, the name(s) of the above copyright * 24 * holders shall not be used in advertising or otherwise to promote the * 25 * sale, use or other dealings in this Software without prior written * 26 * authorization. * 27 ****************************************************************************/ 28 29 /**************************************************************************** 30 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 31 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 32 ****************************************************************************/ 33 34 /* 35 * $Id: SigAction.h,v 1.5 1999/06/19 23:00:54 tom Exp $ 36 * 37 * This file exists to handle non-POSIX systems which don't have <unistd.h>, 38 * and usually no sigaction() nor <termios.h> 39 */ 40 41 #ifndef _SIGACTION_H 42 #define _SIGACTION_H 43 44 #ifndef HAVE_SIGACTION 45 #define HAVE_SIGACTION 0 46 #endif 47 48 #ifndef HAVE_SIGVEC 49 #define HAVE_SIGVEC 0 50 #endif 51 52 #if HAVE_SIGACTION 53 54 #if !HAVE_TYPE_SIGACTION 55 typedef struct sigaction sigaction_t; 56 #endif 57 58 #else /* !HAVE_SIGACTION */ 59 60 #if HAVE_SIGVEC 61 62 #if HAVE_LIBC_H 63 #include <libc.h> 64 #endif 65 66 #undef SIG_BLOCK 67 #define SIG_BLOCK 00 68 69 #undef SIG_UNBLOCK 70 #define SIG_UNBLOCK 01 71 72 #undef SIG_SETMASK 73 #define SIG_SETMASK 02 74 75 /* 76 * <bsd/signal.h> is in the Linux 1.2.8 + gcc 2.7.0 configuration, 77 * and is useful for testing this header file. 78 */ 79 #if HAVE_BSD_SIGNAL_H 80 #include <bsd/signal.h> 81 #endif 82 83 typedef struct sigvec sigaction_t; 84 85 #define sigset_t _nc_sigset_t 86 typedef unsigned long sigset_t; 87 88 #undef sa_mask 89 #define sa_mask sv_mask 90 #undef sa_handler 91 #define sa_handler sv_handler 92 #undef sa_flags 93 #define sa_flags sv_flags 94 95 #undef sigaction 96 #define sigaction _nc_sigaction 97 #undef sigprocmask 98 #define sigprocmask _nc_sigprocmask 99 #undef sigemptyset 100 #define sigemptyset _nc_sigemptyset 101 #undef sigsuspend 102 #define sigsuspend _nc_sigsuspend 103 #undef sigdelset 104 #define sigdelset _nc_sigdelset 105 #undef sigaddset 106 #define sigaddset _nc_sigaddset 107 108 extern int sigaction (int sig, sigaction_t * sigact, sigaction_t * osigact); 109 extern int sigprocmask (int how, sigset_t *mask, sigset_t *omask); 110 extern int sigemptyset (sigset_t *mask); 111 extern int sigsuspend (sigset_t *mask); 112 extern int sigdelset (sigset_t *mask, int sig); 113 extern int sigaddset (sigset_t *mask, int sig); 114 115 #endif /* HAVE_SIGVEC */ 116 #endif /* HAVE_SIGACTION */ 117 #endif /* !defined(_SIGACTION_H) */ 118