2020-01-18 11:38:21 +03:00
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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2021-04-22 11:24:48 +03:00
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* SPDX-License-Identifier: BSD-2-Clause
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2020-01-18 11:38:21 +03:00
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*/
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2019-09-06 16:34:26 +03:00
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#include <AK/String.h>
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2020-02-06 17:04:03 +03:00
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#include <LibCore/ProcessStatisticsReader.h>
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2020-10-29 13:49:47 +03:00
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#include <ctype.h>
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2019-05-08 19:52:37 +03:00
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#include <signal.h>
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2019-06-07 12:49:31 +03:00
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#include <stdio.h>
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2019-05-08 19:52:37 +03:00
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#include <stdlib.h>
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static void print_usage_and_exit()
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{
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2021-05-31 17:43:25 +03:00
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warnln("usage: killall [-signal] process_name");
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2019-05-08 19:52:37 +03:00
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exit(1);
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}
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static int kill_all(const String& process_name, const unsigned signum)
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{
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2021-07-14 21:05:59 +03:00
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auto all_processes = Core::ProcessStatisticsReader::get_all();
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if (!all_processes.has_value())
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2021-01-02 06:58:47 +03:00
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return 1;
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2019-06-07 12:49:31 +03:00
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2021-07-14 21:05:59 +03:00
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for (auto& process : all_processes.value().processes) {
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2021-05-23 12:08:32 +03:00
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if (process.name == process_name) {
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int ret = kill(process.pid, signum);
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2019-05-16 19:47:47 +03:00
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if (ret < 0)
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perror("kill");
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}
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2019-05-08 19:52:37 +03:00
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}
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2019-06-07 12:49:31 +03:00
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2019-05-08 19:52:37 +03:00
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return 0;
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}
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int main(int argc, char** argv)
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{
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unsigned signum = SIGTERM;
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int name_argi = 1;
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2019-06-07 12:49:31 +03:00
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2019-05-08 19:52:37 +03:00
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if (argc != 2 && argc != 3)
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print_usage_and_exit();
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2019-06-07 12:49:31 +03:00
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2019-05-08 19:52:37 +03:00
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if (argc == 3) {
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2019-05-16 19:47:47 +03:00
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name_argi = 2;
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2019-06-07 12:49:31 +03:00
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2019-05-08 19:52:37 +03:00
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if (argv[1][0] != '-')
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print_usage_and_exit();
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2019-06-07 12:49:31 +03:00
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2020-10-29 13:49:47 +03:00
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Optional<unsigned> number;
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if (isalpha(argv[1][1])) {
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int value = getsignalbyname(&argv[1][1]);
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if (value >= 0 && value < NSIG)
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number = value;
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}
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if (!number.has_value())
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number = String(&argv[1][1]).to_uint();
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2020-06-12 22:07:52 +03:00
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if (!number.has_value()) {
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2021-05-31 17:43:25 +03:00
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warnln("'{}' is not a valid signal name or number", &argv[1][1]);
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2019-05-08 19:52:37 +03:00
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return 2;
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}
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2020-06-12 22:07:52 +03:00
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signum = number.value();
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2019-05-08 19:52:37 +03:00
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}
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return kill_all(argv[name_argi], signum);
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}
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