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78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 <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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for (auto& it : processes) {
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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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bool ok;
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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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signum = String(&argv[1][1]).to_uint(ok);
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if (!ok) {
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printf("'%s' is not a valid signal number\n", &argv[1][1]);
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return 2;
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}
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}
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return kill_all(argv[name_argi], signum);
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}
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