| /* |
| * Copyright (c) 1988, 1993, 1994, 2017 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by the University of |
| * California, Berkeley and its contributors. |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| /* |
| * 2017-10-14 Niklas Hambüchen <mail@nh2.me> |
| * - Extracted signal names mapping from kill.c |
| * |
| * Copyright (C) 2014 Sami Kerola <kerolasa@iki.fi> |
| * Copyright (C) 2014 Karel Zak <kzak@redhat.com> |
| * Copyright (C) 2017 Niklas Hambüchen <mail@nh2.me> |
| */ |
| |
| #include <ctype.h> /* for isdigit() */ |
| #include <signal.h> |
| #include <unistd.h> |
| #include <string.h> |
| #include <errno.h> |
| |
| #include "c.h" |
| #include "strutils.h" |
| #include "signames.h" |
| |
| static const struct ul_signal_name { |
| const char *name; |
| int val; |
| } ul_signames[] = { |
| /* POSIX signals */ |
| { "HUP", SIGHUP }, /* 1 */ |
| { "INT", SIGINT }, /* 2 */ |
| { "QUIT", SIGQUIT }, /* 3 */ |
| { "ILL", SIGILL }, /* 4 */ |
| #ifdef SIGTRAP |
| { "TRAP", SIGTRAP }, /* 5 */ |
| #endif |
| { "ABRT", SIGABRT }, /* 6 */ |
| #ifdef SIGIOT |
| { "IOT", SIGIOT }, /* 6, same as SIGABRT */ |
| #endif |
| #ifdef SIGEMT |
| { "EMT", SIGEMT }, /* 7 (mips,alpha,sparc*) */ |
| #endif |
| #ifdef SIGBUS |
| { "BUS", SIGBUS }, /* 7 (arm,i386,m68k,ppc), 10 (mips,alpha,sparc*) */ |
| #endif |
| { "FPE", SIGFPE }, /* 8 */ |
| { "KILL", SIGKILL }, /* 9 */ |
| { "USR1", SIGUSR1 }, /* 10 (arm,i386,m68k,ppc), 30 (alpha,sparc*), 16 (mips) */ |
| { "SEGV", SIGSEGV }, /* 11 */ |
| { "USR2", SIGUSR2 }, /* 12 (arm,i386,m68k,ppc), 31 (alpha,sparc*), 17 (mips) */ |
| { "PIPE", SIGPIPE }, /* 13 */ |
| { "ALRM", SIGALRM }, /* 14 */ |
| { "TERM", SIGTERM }, /* 15 */ |
| #ifdef SIGSTKFLT |
| { "STKFLT", SIGSTKFLT }, /* 16 (arm,i386,m68k,ppc) */ |
| #endif |
| { "CHLD", SIGCHLD }, /* 17 (arm,i386,m68k,ppc), 20 (alpha,sparc*), 18 (mips) */ |
| #ifdef SIGCLD |
| { "CLD", SIGCLD }, /* same as SIGCHLD (mips) */ |
| #endif |
| { "CONT", SIGCONT }, /* 18 (arm,i386,m68k,ppc), 19 (alpha,sparc*), 25 (mips) */ |
| { "STOP", SIGSTOP }, /* 19 (arm,i386,m68k,ppc), 17 (alpha,sparc*), 23 (mips) */ |
| { "TSTP", SIGTSTP }, /* 20 (arm,i386,m68k,ppc), 18 (alpha,sparc*), 24 (mips) */ |
| { "TTIN", SIGTTIN }, /* 21 (arm,i386,m68k,ppc,alpha,sparc*), 26 (mips) */ |
| { "TTOU", SIGTTOU }, /* 22 (arm,i386,m68k,ppc,alpha,sparc*), 27 (mips) */ |
| #ifdef SIGURG |
| { "URG", SIGURG }, /* 23 (arm,i386,m68k,ppc), 16 (alpha,sparc*), 21 (mips) */ |
| #endif |
| #ifdef SIGXCPU |
| { "XCPU", SIGXCPU }, /* 24 (arm,i386,m68k,ppc,alpha,sparc*), 30 (mips) */ |
| #endif |
| #ifdef SIGXFSZ |
| { "XFSZ", SIGXFSZ }, /* 25 (arm,i386,m68k,ppc,alpha,sparc*), 31 (mips) */ |
| #endif |
| #ifdef SIGVTALRM |
| { "VTALRM", SIGVTALRM }, /* 26 (arm,i386,m68k,ppc,alpha,sparc*), 28 (mips) */ |
| #endif |
| #ifdef SIGPROF |
| { "PROF", SIGPROF }, /* 27 (arm,i386,m68k,ppc,alpha,sparc*), 29 (mips) */ |
| #endif |
| #ifdef SIGWINCH |
| { "WINCH", SIGWINCH }, /* 28 (arm,i386,m68k,ppc,alpha,sparc*), 20 (mips) */ |
| #endif |
| #ifdef SIGIO |
| { "IO", SIGIO }, /* 29 (arm,i386,m68k,ppc), 23 (alpha,sparc*), 22 (mips) */ |
| #endif |
| #ifdef SIGPOLL |
| { "POLL", SIGPOLL }, /* same as SIGIO */ |
| #endif |
| #ifdef SIGINFO |
| { "INFO", SIGINFO }, /* 29 (alpha) */ |
| #endif |
| #ifdef SIGLOST |
| { "LOST", SIGLOST }, /* 29 (arm,i386,m68k,ppc,sparc*) */ |
| #endif |
| #ifdef SIGPWR |
| { "PWR", SIGPWR }, /* 30 (arm,i386,m68k,ppc), 29 (alpha,sparc*), 19 (mips) */ |
| #endif |
| #ifdef SIGUNUSED |
| { "UNUSED", SIGUNUSED }, /* 31 (arm,i386,m68k,ppc) */ |
| #endif |
| #ifdef SIGSYS |
| { "SYS", SIGSYS }, /* 31 (mips,alpha,sparc*) */ |
| #endif |
| }; |
| |
| #ifdef SIGRTMIN |
| static int rtsig_to_signum(const char *sig) |
| { |
| int num, maxi = 0; |
| char *ep = NULL; |
| |
| if (strncasecmp(sig, "min+", 4) == 0) |
| sig += 4; |
| else if (strncasecmp(sig, "max-", 4) == 0) { |
| sig += 4; |
| maxi = 1; |
| } |
| if (!isdigit(*sig)) |
| return -1; |
| errno = 0; |
| num = strtol(sig, &ep, 10); |
| if (!ep || sig == ep || errno || num < 0) |
| return -1; |
| num = maxi ? SIGRTMAX - num : SIGRTMIN + num; |
| if (num < SIGRTMIN || SIGRTMAX < num) |
| return -1; |
| return num; |
| } |
| #endif |
| |
| int signame_to_signum(const char *sig) |
| { |
| size_t n; |
| |
| if (!strncasecmp(sig, "sig", 3)) |
| sig += 3; |
| #ifdef SIGRTMIN |
| /* RT signals */ |
| if (!strncasecmp(sig, "rt", 2)) |
| return rtsig_to_signum(sig + 2); |
| #endif |
| /* Normal signals */ |
| for (n = 0; n < ARRAY_SIZE(ul_signames); n++) { |
| if (!strcasecmp(ul_signames[n].name, sig)) |
| return ul_signames[n].val; |
| } |
| return -1; |
| } |
| |
| const char *signum_to_signame(int signum) |
| { |
| size_t n; |
| |
| for (n = 0; n < ARRAY_SIZE(ul_signames); n++) { |
| if (ul_signames[n].val == signum) { |
| return ul_signames[n].name; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| int get_signame_by_idx(size_t idx, const char **signame, int *signum) |
| { |
| if (idx >= ARRAY_SIZE(ul_signames)) |
| return -1; |
| |
| if (signame) |
| *signame = ul_signames[idx].name; |
| if (signum) |
| *signum = ul_signames[idx].val; |
| return 0; |
| |
| } |
| |