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/*
Portability layer for signal codes
Copyright (C) Amitay Isaacs 2018
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/*
* These signals are as listed in POSIX standard
* IEEE Std 1003.1-2017 (Revision of IEEE Std 1003.1-2008)
*/
#include "replace.h"
#include "system/wait.h"
struct {
const char *label;
int code;
} sig_codes[] = {
{ "SIGABRT", SIGABRT },
{ "SIGALRM", SIGALRM },
{ "SIBGUS", SIGBUS },
{ "SIGCHLD", SIGCHLD },
{ "SIGCONT", SIGCONT },
{ "SIGFPE", SIGFPE },
{ "SIGHUP", SIGHUP },
{ "SIGILL", SIGILL },
{ "SIGINT", SIGINT },
{ "SIGKILL", SIGKILL },
{ "SIGPIPE", SIGPIPE },
{ "SIGQUIT", SIGQUIT },
{ "SIGSEGV", SIGSEGV },
{ "SIGSTOP", SIGSTOP },
{ "SIGTERM", SIGTERM },
{ "SIGTSTP", SIGTSTP },
{ "SIGTTIN", SIGTTIN },
{ "SIGTTOU", SIGTTOU },
{ "SIGUSR1", SIGUSR1 },
{ "SIGUSR2", SIGUSR2 },
{ "SIGTRAP", SIGTRAP },
{ "SIGURG", SIGURG },
{ "SIGXCPU", SIGXCPU },
{ "SIGXFSZ", SIGXFSZ },
};
static void dump(void)
{
size_t i;
for (i=0; i<ARRAY_SIZE(sig_codes); i++) {
printf("%s %d\n", sig_codes[i].label, sig_codes[i].code);
}
}
static void match_label(const char *str)
{
int code = -1;
size_t i;
for (i=0; i<ARRAY_SIZE(sig_codes); i++) {
if (strcasecmp(sig_codes[i].label, str) == 0) {
code = sig_codes[i].code;
break;
}
}
printf("%d\n", code);
}
static void match_code(int code)
{
const char *label = "UNKNOWN";
size_t i;
for (i=0; i<ARRAY_SIZE(sig_codes); i++) {
if (sig_codes[i].code == code) {
label = sig_codes[i].label;
break;
}
}
printf("%s\n", label);
}
int main(int argc, const char **argv)
{
long int code;
char *endptr;
if (argc != 2) {
fprintf(stderr, "Usage: %s dump|<sigcode>\n", argv[0]);
exit(1);
}
if (strcmp(argv[1], "dump") == 0) {
dump();
} else {
code = strtol(argv[1], &endptr, 0);
if (*endptr == '\0') {
match_code(code);
} else {
match_label(argv[1]);
}
}
exit(0);
}
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