Annotation of solidite/utils/kill.cpp, revision 1.1
1.1 ! user 1: /* Copyright (c) 2026 The Solidite Developers
! 2: *
! 3: * This program is free software: you can redistribute it and/or modify it under
! 4: * the terms of the GNU Affero General Public License as published by the Free
! 5: * Software Foundation, either version 3 of the License, or (at your option)
! 6: * any later version.
! 7: *
! 8: * This program is distributed in the hope that it will be useful, but WITHOUT
! 9: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
! 10: * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
! 11: * details.
! 12: *
! 13: * You should have received a copy of the GNU Affero General Public License
! 14: * along with this program. If not, see <https://www.gnu.org/licenses/>. */
! 15:
! 16: #include <bitset>
! 17: #include <iostream>
! 18: #include <vector>
! 19:
! 20: #include <cstddef>
! 21: #include <cstdint>
! 22: #include <cstring>
! 23:
! 24: #include <libintl.h>
! 25: #include <signal.h>
! 26:
! 27: /* Questionably IEEE Std 1003.1-2024 and XSI conformant
! 28: * needs testing */
! 29:
! 30: constexpr char SIGNALS_LIST[] = "SIGHUP SIGINT SIGQUIT SIGABRT SIGKILL SIGALRM"
! 31: " SIGTERM\n";
! 32:
! 33: int main(int argc, char* argv[]) {
! 34: // locale work
! 35: std::locale::global(std::locale(""));
! 36: std::cerr.imbue(std::locale());
! 37:
! 38: std::bitset<2> options = 0b00;
! 39: // options[0]=skip next arg from being processed
! 40: // options[1]=stop processing arguments (-- encountered)
! 41: std::vector<std::size_t> pids;
! 42: int signal = 15;
! 43:
! 44: for (int i = 1; i < argc; ++i) {
! 45: if (options.test(0) == 1) {
! 46: options.reset(0);
! 47: continue;
! 48: } else if (std::strcmp(argv[i], "--") == 0 && options.test(1) == 0) {
! 49: options.set(1);
! 50: continue;
! 51: } else if (options.test(1) == 1) {
! 52: pids.push_back(std::atoi(argv[i]));
! 53: continue;
! 54: }
! 55:
! 56: if (std::strcmp(argv[i], "-l") == 0 && argv[i + 1] == nullptr) {
! 57: std::cout << SIGNALS_LIST;
! 58: return 0;
! 59: } else if (std::strcmp(argv[i], "-l") == 0) {
! 60: switch (std::atoi(argv[i + 1])) {
! 61: case 0:
! 62: std::cout << "0\n";
! 63: options.set(0);
! 64: break;
! 65: case 1:
! 66: std::cout << "HUP\n";
! 67: options.set(0);
! 68: break;
! 69: case 2:
! 70: std::cout << "INT\n";
! 71: options.set(0);
! 72: break;
! 73: case 3:
! 74: std::cout << "QUIT\n";
! 75: options.set(0);
! 76: break;
! 77: case 6:
! 78: std::cout << "ABRT\n";
! 79: options.set(0);
! 80: break;
! 81: case 9:
! 82: std::cout << "KILL\n";
! 83: options.set(0);
! 84: break;
! 85: case 14:
! 86: std::cout << "ALRM\n";
! 87: options.set(0);
! 88: break;
! 89: case 15:
! 90: std::cout << "TERM\n";
! 91: options.set(0);
! 92: break;
! 93: default:
! 94: std::cerr << "bad signal\n";
! 95: options.set(0);
! 96: break;
! 97: }
! 98: } else if (std::strcmp(argv[i], "-s") == 0) {
! 99: if (argv[i + 1] == nullptr) {
! 100: std::cerr << "signal name required after -s\n";
! 101: continue;
! 102: }
! 103: if (std::strcmp(argv[i + 1], "0") == 0) {
! 104: signal = 0;
! 105: } else if (std::strcmp(argv[i + 1], "HUP") == 0) {
! 106: signal = 1;
! 107: } else if (std::strcmp(argv[i + 1], "INT") == 0) {
! 108: signal = 2;
! 109: } else if (std::strcmp(argv[i + 1], "QUIT") == 0) {
! 110: signal = 3;
! 111: } else if (std::strcmp(argv[i + 1], "ABRT") == 0) {
! 112: signal = 6;
! 113: } else if (std::strcmp(argv[i + 1], "KILL") == 0) {
! 114: signal = 9;
! 115: } else if (std::strcmp(argv[i + 1], "ALRM") == 0) {
! 116: signal = 14;
! 117: } else if (std::strcmp(argv[i + 1], "TERM") == 0) {
! 118: signal = 15;
! 119: } else {
! 120: std::cerr << "bad signal name\n";
! 121: }
! 122: options.set(0);
! 123: continue;
! 124: } else if (std::strcmp(argv[i], "-0") == 0) {
! 125: signal = 0;
! 126: } else if (std::strcmp(argv[i], "-1") == 0) {
! 127: signal = 1;
! 128: } else if (std::strcmp(argv[i], "-2") == 0) {
! 129: signal = 2;
! 130: } else if (std::strcmp(argv[i], "-3") == 0) {
! 131: signal = 3;
! 132: } else if (std::strcmp(argv[i], "-6") == 0) {
! 133: signal = 6;
! 134: } else if (std::strcmp(argv[i], "-9") == 0) {
! 135: signal = 9;
! 136: } else if (std::strcmp(argv[i], "-14") == 0) {
! 137: signal = 14;
! 138: } else if (std::strcmp(argv[i], "-15") == 0) {
! 139: signal = 15;
! 140: } else if (std::strcmp(argv[i], "-UP") == 0) {
! 141: signal = 1;
! 142: } else if (std::strcmp(argv[i], "-INT") == 0) {
! 143: signal = 2;
! 144: } else if (std::strcmp(argv[i], "-QUIT") == 0) {
! 145: signal = 3;
! 146: } else if (std::strcmp(argv[i], "-ABRT") == 0) {
! 147: signal = 6;
! 148: } else if (std::strcmp(argv[i], "-KILL") == 0) {
! 149: signal = 9;
! 150: } else if (std::strcmp(argv[i], "-ALRM") == 0) {
! 151: signal = 14;
! 152: } else if (std::strcmp(argv[i], "-TERM") == 0) {
! 153: signal = 15;
! 154: } else {
! 155: pids.push_back(std::atoi(argv[i]));
! 156: }
! 157: }
! 158: for (std::size_t pid : pids) {
! 159: kill(pid, signal);
! 160: }
! 161: return 0;
! 162: }
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