| 1 | /* $NetBSD: sigtypes.h,v 1.10 2012/02/19 21:07:00 rmind Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1982, 1986, 1989, 1991, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * (c) UNIX System Laboratories, Inc. |
| 7 | * All or some portions of this file are derived from material licensed |
| 8 | * to the University of California by American Telephone and Telegraph |
| 9 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with |
| 10 | * the permission of UNIX System Laboratories, Inc. |
| 11 | * |
| 12 | * Redistribution and use in source and binary forms, with or without |
| 13 | * modification, are permitted provided that the following conditions |
| 14 | * are met: |
| 15 | * 1. Redistributions of source code must retain the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer. |
| 17 | * 2. Redistributions in binary form must reproduce the above copyright |
| 18 | * notice, this list of conditions and the following disclaimer in the |
| 19 | * documentation and/or other materials provided with the distribution. |
| 20 | * 3. Neither the name of the University nor the names of its contributors |
| 21 | * may be used to endorse or promote products derived from this software |
| 22 | * without specific prior written permission. |
| 23 | * |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 34 | * SUCH DAMAGE. |
| 35 | * |
| 36 | * @(#)signal.h 8.4 (Berkeley) 5/4/95 |
| 37 | */ |
| 38 | |
| 39 | #ifndef _SYS_SIGTYPES_H_ |
| 40 | #define _SYS_SIGTYPES_H_ |
| 41 | |
| 42 | /* |
| 43 | * This header file defines various signal-related types. We also keep |
| 44 | * the macros to manipulate sigset_t here, to encapsulate knowledge of |
| 45 | * its internals. |
| 46 | */ |
| 47 | |
| 48 | #include <sys/featuretest.h> |
| 49 | #include <machine/int_types.h> |
| 50 | #include <machine/ansi.h> |
| 51 | |
| 52 | #ifdef _BSD_SIZE_T_ |
| 53 | typedef _BSD_SIZE_T_ size_t; |
| 54 | #undef _BSD_SIZE_T_ |
| 55 | #endif |
| 56 | |
| 57 | #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) || \ |
| 58 | defined(_NETBSD_SOURCE) |
| 59 | |
| 60 | typedef struct { |
| 61 | __uint32_t __bits[4]; |
| 62 | } sigset_t; |
| 63 | |
| 64 | /* |
| 65 | * Macro for manipulating signal masks. |
| 66 | */ |
| 67 | #define __sigmask(n) (1 << (((unsigned int)(n) - 1) & 31)) |
| 68 | #define __sigword(n) (((unsigned int)(n) - 1) >> 5) |
| 69 | #define __sigaddset(s, n) ((s)->__bits[__sigword(n)] |= __sigmask(n)) |
| 70 | #define __sigdelset(s, n) ((s)->__bits[__sigword(n)] &= ~__sigmask(n)) |
| 71 | #define __sigismember(s, n) (((s)->__bits[__sigword(n)] & __sigmask(n)) != 0) |
| 72 | #define __sigemptyset(s) ((s)->__bits[0] = 0x00000000, \ |
| 73 | (s)->__bits[1] = 0x00000000, \ |
| 74 | (s)->__bits[2] = 0x00000000, \ |
| 75 | (s)->__bits[3] = 0x00000000) |
| 76 | #define __sigsetequal(s1,s2) ((s1)->__bits[0] == (s2)->__bits[0] && \ |
| 77 | (s1)->__bits[1] == (s2)->__bits[1] && \ |
| 78 | (s1)->__bits[2] == (s2)->__bits[2] && \ |
| 79 | (s1)->__bits[3] == (s2)->__bits[3]) |
| 80 | #define __sigfillset(s) ((s)->__bits[0] = 0xffffffff, \ |
| 81 | (s)->__bits[1] = 0xffffffff, \ |
| 82 | (s)->__bits[2] = 0xffffffff, \ |
| 83 | (s)->__bits[3] = 0xffffffff) |
| 84 | #define __sigplusset(s, t) \ |
| 85 | do { \ |
| 86 | (t)->__bits[0] |= (s)->__bits[0]; \ |
| 87 | (t)->__bits[1] |= (s)->__bits[1]; \ |
| 88 | (t)->__bits[2] |= (s)->__bits[2]; \ |
| 89 | (t)->__bits[3] |= (s)->__bits[3]; \ |
| 90 | } while (/* CONSTCOND */ 0) |
| 91 | #define __sigminusset(s, t) \ |
| 92 | do { \ |
| 93 | (t)->__bits[0] &= ~(s)->__bits[0]; \ |
| 94 | (t)->__bits[1] &= ~(s)->__bits[1]; \ |
| 95 | (t)->__bits[2] &= ~(s)->__bits[2]; \ |
| 96 | (t)->__bits[3] &= ~(s)->__bits[3]; \ |
| 97 | } while (/* CONSTCOND */ 0) |
| 98 | #define __sigandset(s, t) \ |
| 99 | do { \ |
| 100 | (t)->__bits[0] &= (s)->__bits[0]; \ |
| 101 | (t)->__bits[1] &= (s)->__bits[1]; \ |
| 102 | (t)->__bits[2] &= (s)->__bits[2]; \ |
| 103 | (t)->__bits[3] &= (s)->__bits[3]; \ |
| 104 | } while (/* CONSTCOND */ 0) |
| 105 | |
| 106 | #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ |
| 107 | (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) |
| 108 | typedef struct |
| 109 | #if defined(_NETBSD_SOURCE) |
| 110 | sigaltstack |
| 111 | #endif /* _NETBSD_SOURCE */ |
| 112 | { |
| 113 | void *ss_sp; /* signal stack base */ |
| 114 | size_t ss_size; /* signal stack length */ |
| 115 | int ss_flags; /* SS_DISABLE and/or SS_ONSTACK */ |
| 116 | } stack_t; |
| 117 | |
| 118 | #endif /* _XOPEN_SOURCE_EXTENDED || XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ |
| 119 | |
| 120 | #endif /* _POSIX_C_SOURCE || _XOPEN_SOURCE || ... */ |
| 121 | |
| 122 | #endif /* !_SYS_SIGTYPES_H_ */ |
| 123 | |