#ifndef SIGNAMES_H
#define SIGNAMES_H
-/*
- * 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 <signal.h>
-
-static const struct signv {
- const char *name;
- int val;
-} sys_signame[] = {
- /* 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
-};
-
int signame_to_signum(const char *sig);
+const char *signum_to_signame(int signum);
+size_t get_numof_signames(void);
+int get_signame_by_idx(size_t idx, const char **signame, int *signum);
#endif /* SIGNAMES_H */
*/
#include <ctype.h> /* for isdigit() */
-#include <signames.h>
#include <signal.h>
#include <unistd.h>
#include <string.h>
#include "c.h"
#include "strutils.h"
+#include "signames.h"
+static const struct signv {
+ const char *name;
+ int val;
+} sys_signame[] = {
+ /* 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)
}
return -1;
}
+
+const char *signum_to_signame(int signum)
+{
+ size_t n;
+
+ for (n = 0; n < ARRAY_SIZE(sys_signame); n++) {
+ if (sys_signame[n].val == signum) {
+ return sys_signame[n].name;
+ }
+ }
+
+ return NULL;
+}
+
+size_t get_numof_signames(void)
+{
+ return ARRAY_SIZE(sys_signame);
+}
+
+int get_signame_by_idx(size_t idx, const char **signame, int *signum)
+{
+ if (idx >= ARRAY_SIZE(sys_signame))
+ return -1;
+
+ if (signame)
+ *signame = sys_signame[idx].name;
+ if (signum)
+ *signum = sys_signame[idx].val;
+ return 0;
+
+}
+
static void print_signal_name(int signum)
{
- size_t n;
+ const char *name = signum_to_signame(signum);
- for (n = 0; n < ARRAY_SIZE(sys_signame); n++) {
- if (sys_signame[n].val == signum) {
- printf("%s\n", sys_signame[n].name);
- return;
- }
+ if (name) {
+ printf("%s\n", name);
+ return;
}
#ifdef SIGRTMIN
if (SIGRTMIN <= signum && signum <= SIGRTMAX) {
static void print_all_signals(FILE *fp, int pretty)
{
size_t n, lth, lpos = 0, width;
+ const char *signame = NULL;
+ int signum = 0;
if (!pretty) {
- for (n = 0; n < ARRAY_SIZE(sys_signame); n++) {
- lth = 1 + strlen(sys_signame[n].name);
+ for (n = 0; get_signame_by_idx(n, &signame, NULL) == 0; n++) {
+ lth = 1 + strlen(signame);
if (KILL_OUTPUT_WIDTH < lpos + lth) {
fputc('\n', fp);
lpos = 0;
} else if (lpos)
fputc(' ', fp);
lpos += lth;
- fputs(sys_signame[n].name, fp);
+ fputs(signame, fp);
}
#ifdef SIGRTMIN
fputs(" RT<N> RTMIN+<N> RTMAX-<N>", fp);
/* pretty print */
width = get_terminal_width(KILL_OUTPUT_WIDTH + 1) - 1;
- for (n = 0; n < ARRAY_SIZE(sys_signame); n++)
- pretty_print_signal(fp, width, &lpos,
- sys_signame[n].val, sys_signame[n].name);
+ for (n = 0; get_signame_by_idx(n, &signame, &signum) == 0; n++)
+ pretty_print_signal(fp, width, &lpos, signum, signame);
#ifdef SIGRTMIN
pretty_print_signal(fp, width, &lpos, SIGRTMIN, "RTMIN");
pretty_print_signal(fp, width, &lpos, SIGRTMAX, "RTMAX");
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