/* * 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 * - Extracted signal names mapping from kill.c * * Copyright (C) 2014 Sami Kerola * Copyright (C) 2014 Karel Zak * Copyright (C) 2017 Niklas Hambüchen */ #include /* for isdigit() */ #include #include #include #include #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; }