lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 1 | /* siginfo_t, sigevent and constants. Stub version. |
| 2 | Copyright (C) 1997-2015 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #if !defined _SIGNAL_H && !defined __need_siginfo_t \ |
| 20 | && !defined __need_sigevent_t |
| 21 | # error "Never include this file directly. Use <signal.h> instead" |
| 22 | #endif |
| 23 | |
| 24 | #if (!defined __have_sigval_t \ |
| 25 | && (defined _SIGNAL_H || defined __need_siginfo_t \ |
| 26 | || defined __need_sigevent_t)) |
| 27 | # define __have_sigval_t 1 |
| 28 | |
| 29 | /* Type for data associated with a signal. */ |
| 30 | typedef union sigval |
| 31 | { |
| 32 | int sival_int; |
| 33 | void *sival_ptr; |
| 34 | } sigval_t; |
| 35 | #endif |
| 36 | |
| 37 | #if (!defined __have_siginfo_t \ |
| 38 | && (defined _SIGNAL_H || defined __need_siginfo_t)) |
| 39 | # define __have_siginfo_t 1 |
| 40 | |
| 41 | typedef struct siginfo |
| 42 | { |
| 43 | int si_signo; /* Signal number. */ |
| 44 | int si_errno; /* If non-zero, an errno value associated with |
| 45 | this signal, as defined in <errno.h>. */ |
| 46 | int si_code; /* Signal code. */ |
| 47 | __pid_t si_pid; /* Sending process ID. */ |
| 48 | __uid_t si_uid; /* Real user ID of sending process. */ |
| 49 | void *si_addr; /* Address of faulting instruction. */ |
| 50 | int si_status; /* Exit value or signal. */ |
| 51 | long int si_band; /* Band event for SIGPOLL. */ |
| 52 | union sigval si_value; /* Signal value. */ |
| 53 | } siginfo_t; |
| 54 | |
| 55 | |
| 56 | /* Values for `si_code'. Positive values are reserved for kernel-generated |
| 57 | signals. */ |
| 58 | enum |
| 59 | { |
| 60 | SI_ASYNCIO = -4, /* Sent by AIO completion. */ |
| 61 | # define SI_ASYNCIO SI_ASYNCIO |
| 62 | SI_MESGQ, /* Sent by real time mesq state change. */ |
| 63 | # define SI_MESGQ SI_MESGQ |
| 64 | SI_TIMER, /* Sent by timer expiration. */ |
| 65 | # define SI_TIMER SI_TIMER |
| 66 | SI_QUEUE, /* Sent by sigqueue. */ |
| 67 | # define SI_QUEUE SI_QUEUE |
| 68 | SI_USER /* Sent by kill, sigsend, raise. */ |
| 69 | # define SI_USER SI_USER |
| 70 | }; |
| 71 | |
| 72 | |
| 73 | # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8 |
| 74 | /* `si_code' values for SIGILL signal. */ |
| 75 | enum |
| 76 | { |
| 77 | ILL_ILLOPC = 1, /* Illegal opcode. */ |
| 78 | # define ILL_ILLOPC ILL_ILLOPC |
| 79 | ILL_ILLOPN, /* Illegal operand. */ |
| 80 | # define ILL_ILLOPN ILL_ILLOPN |
| 81 | ILL_ILLADR, /* Illegal addressing mode. */ |
| 82 | # define ILL_ILLADR ILL_ILLADR |
| 83 | ILL_ILLTRP, /* Illegal trap. */ |
| 84 | # define ILL_ILLTRP ILL_ILLTRP |
| 85 | ILL_PRVOPC, /* Privileged opcode. */ |
| 86 | # define ILL_PRVOPC ILL_PRVOPC |
| 87 | ILL_PRVREG, /* Privileged register. */ |
| 88 | # define ILL_PRVREG ILL_PRVREG |
| 89 | ILL_COPROC, /* Coprocessor error. */ |
| 90 | # define ILL_COPROC ILL_COPROC |
| 91 | ILL_BADSTK /* Internal stack error. */ |
| 92 | # define ILL_BADSTK ILL_BADSTK |
| 93 | }; |
| 94 | |
| 95 | /* `si_code' values for SIGFPE signal. */ |
| 96 | enum |
| 97 | { |
| 98 | FPE_INTDIV = 1, /* Integer divide by zero. */ |
| 99 | # define FPE_INTDIV FPE_INTDIV |
| 100 | FPE_INTOVF, /* Integer overflow. */ |
| 101 | # define FPE_INTOVF FPE_INTOVF |
| 102 | FPE_FLTDIV, /* Floating point divide by zero. */ |
| 103 | # define FPE_FLTDIV FPE_FLTDIV |
| 104 | FPE_FLTOVF, /* Floating point overflow. */ |
| 105 | # define FPE_FLTOVF FPE_FLTOVF |
| 106 | FPE_FLTUND, /* Floating point underflow. */ |
| 107 | # define FPE_FLTUND FPE_FLTUND |
| 108 | FPE_FLTRES, /* Floating point inexact result. */ |
| 109 | # define FPE_FLTRES FPE_FLTRES |
| 110 | FPE_FLTINV, /* Floating point invalid operation. */ |
| 111 | # define FPE_FLTINV FPE_FLTINV |
| 112 | FPE_FLTSUB /* Subscript out of range. */ |
| 113 | # define FPE_FLTSUB FPE_FLTSUB |
| 114 | }; |
| 115 | |
| 116 | /* `si_code' values for SIGSEGV signal. */ |
| 117 | enum |
| 118 | { |
| 119 | SEGV_MAPERR = 1, /* Address not mapped to object. */ |
| 120 | # define SEGV_MAPERR SEGV_MAPERR |
| 121 | SEGV_ACCERR /* Invalid permissions for mapped object. */ |
| 122 | # define SEGV_ACCERR SEGV_ACCERR |
| 123 | }; |
| 124 | |
| 125 | /* `si_code' values for SIGBUS signal. */ |
| 126 | enum |
| 127 | { |
| 128 | BUS_ADRALN = 1, /* Invalid address alignment. */ |
| 129 | # define BUS_ADRALN BUS_ADRALN |
| 130 | BUS_ADRERR, /* Non-existant physical address. */ |
| 131 | # define BUS_ADRERR BUS_ADRERR |
| 132 | BUS_OBJERR /* Object specific hardware error. */ |
| 133 | # define BUS_OBJERR BUS_OBJERR |
| 134 | }; |
| 135 | # endif |
| 136 | |
| 137 | # ifdef __USE_XOPEN_EXTENDED |
| 138 | /* `si_code' values for SIGTRAP signal. */ |
| 139 | enum |
| 140 | { |
| 141 | TRAP_BRKPT = 1, /* Process breakpoint. */ |
| 142 | # define TRAP_BRKPT TRAP_BRKPT |
| 143 | TRAP_TRACE /* Process trace trap. */ |
| 144 | # define TRAP_TRACE TRAP_TRACE |
| 145 | }; |
| 146 | # endif |
| 147 | |
| 148 | # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8 |
| 149 | /* `si_code' values for SIGCHLD signal. */ |
| 150 | enum |
| 151 | { |
| 152 | CLD_EXITED = 1, /* Child has exited. */ |
| 153 | # define CLD_EXITED CLD_EXITED |
| 154 | CLD_KILLED, /* Child was killed. */ |
| 155 | # define CLD_KILLED CLD_KILLED |
| 156 | CLD_DUMPED, /* Child terminated abnormally. */ |
| 157 | # define CLD_DUMPED CLD_DUMPED |
| 158 | CLD_TRAPPED, /* Traced child has trapped. */ |
| 159 | # define CLD_TRAPPED CLD_TRAPPED |
| 160 | CLD_STOPPED, /* Child has stopped. */ |
| 161 | # define CLD_STOPPED CLD_STOPPED |
| 162 | CLD_CONTINUED /* Stopped child has continued. */ |
| 163 | # define CLD_CONTINUED CLD_CONTINUED |
| 164 | }; |
| 165 | |
| 166 | /* `si_code' values for SIGPOLL signal. */ |
| 167 | enum |
| 168 | { |
| 169 | POLL_IN = 1, /* Data input available. */ |
| 170 | # define POLL_IN POLL_IN |
| 171 | POLL_OUT, /* Output buffers available. */ |
| 172 | # define POLL_OUT POLL_OUT |
| 173 | POLL_MSG, /* Input message available. */ |
| 174 | # define POLL_MSG POLL_MSG |
| 175 | POLL_ERR, /* I/O error. */ |
| 176 | # define POLL_ERR POLL_ERR |
| 177 | POLL_PRI, /* High priority input available. */ |
| 178 | # define POLL_PRI POLL_PRI |
| 179 | POLL_HUP /* Device disconnected. */ |
| 180 | # define POLL_HUP POLL_HUP |
| 181 | }; |
| 182 | # endif |
| 183 | |
| 184 | # undef __need_siginfo_t |
| 185 | #endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */ |
| 186 | |
| 187 | |
| 188 | #if (defined _SIGNAL_H || defined __need_sigevent_t) \ |
| 189 | && !defined __have_sigevent_t |
| 190 | # define __have_sigevent_t 1 |
| 191 | |
| 192 | /* Structure to transport application-defined values with signals. */ |
| 193 | # define SIGEV_MAX_SIZE 64 |
| 194 | # define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE / sizeof (int)) - 3) |
| 195 | |
| 196 | typedef struct sigevent |
| 197 | { |
| 198 | sigval_t sigev_value; |
| 199 | int sigev_signo; |
| 200 | int sigev_notify; |
| 201 | void (*sigev_notify_function) (sigval_t); /* Function to start. */ |
| 202 | void *sigev_notify_attributes; /* Really pthread_attr_t.*/ |
| 203 | } sigevent_t; |
| 204 | |
| 205 | /* `sigev_notify' values. */ |
| 206 | enum |
| 207 | { |
| 208 | SIGEV_SIGNAL = 0, /* Notify via signal. */ |
| 209 | # define SIGEV_SIGNAL SIGEV_SIGNAL |
| 210 | SIGEV_NONE, /* Other notification: meaningless. */ |
| 211 | # define SIGEV_NONE SIGEV_NONE |
| 212 | SIGEV_THREAD /* Deliver via thread creation. */ |
| 213 | # define SIGEV_THREAD SIGEV_THREAD |
| 214 | }; |
| 215 | |
| 216 | #endif /* have _SIGNAL_H. */ |