signal.cpp

Go to the documentation of this file.

/*
 * SNode.C - a slim toolkit for network communication
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2020, 2021, 2022, 2023, 2024, 2025
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include "utils/system/signal.h"
 
#include <cerrno>
#include <map>
#include <utility>
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
namespace utils::system {
 
    sighandler_t signal(int sig, sighandler_t handler) {
        errno = 0;
        return std::signal(sig, handler);
    }
 
    std::string sigabbrev_np(int sig) {
        static std::map<int, std::string> sigMap = {
            {SIGABRT, "ABRT"}, {SIGALRM, "ALRM"},     {SIGBUS, "BUS"},   {SIGCHLD, "CHLD"}, {SIGCONT, "CONT"},  {SIGFPE, "FPE"},
            {SIGHUP, "HUP"},   {SIGILL, "ILL"},       {SIGINT, "INT"},   {SIGKILL, "KILL"}, {SIGPIPE, "PIPE"},  {SIGPOLL, "POLL"},
            {SIGPROF, "PROF"}, {SIGQUIT, "QUIT"},     {SIGSEGV, "SEGV"}, {SIGSTOP, "STOP"}, {SIGSYS, "SYS"},    {SIGTERM, "TERM"},
            {SIGTRAP, "TRAP"}, {SIGTSTP, "TSTP"},     {SIGTTIN, "TTIN"}, {SIGTTOU, "TTOU"}, {SIGUSR1, "USR1"},  {SIGUSR2, "USR2"},
            {SIGURG, "URG"},   {SIGVTALRM, "VTALRM"}, {SIGXCPU, "XCPU"}, {SIGXFSZ, "XFSZ"}, {SIGWINCH, "WINCH"}};
 
        return sigMap.contains(sig) ? sigMap[sig] : "UNKNOWN";
    }
 
} // namespace utils::system