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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
71 lines
1.6 KiB
C++
71 lines
1.6 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/String.h>
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#include <LibCore/ProcessStatisticsReader.h>
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#include <ctype.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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static void print_usage_and_exit()
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{
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printf("usage: killall [-signal] process_name\n");
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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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auto processes = Core::ProcessStatisticsReader().get_all();
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if (!processes.has_value())
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return 1;
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for (auto& it : processes.value()) {
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if (it.value.name == process_name) {
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int ret = kill(it.value.pid, signum);
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if (ret < 0)
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perror("kill");
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}
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}
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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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if (argc != 2 && argc != 3)
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print_usage_and_exit();
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if (argc == 3) {
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name_argi = 2;
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if (argv[1][0] != '-')
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print_usage_and_exit();
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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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if (!number.has_value()) {
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printf("'%s' is not a valid signal name or number\n", &argv[1][1]);
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return 2;
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}
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signum = number.value();
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}
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return kill_all(argv[name_argi], signum);
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}
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