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Start a new init process if the old one is a zombie
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src/dyld/darling.c
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src/dyld/darling.c
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/*
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This file is part of Darling.
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Copyright (C) 2016 Lubos Dolezel
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Copyright (C) 2016-2017 Lubos Dolezel
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Darling is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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return 0;
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}
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start_init:
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// If prefix's init is not running, start it up
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if (pidInit == 0)
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{
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pidChild = spawnChild(pidInit, MLDR_PATH,
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(const char *[3]) {MLDR_PATH, "/bin/bash", NULL});
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}
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if (pidChild == -ENOMEM)
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{
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pidInit = 0;
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goto start_init;
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}
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// Drop the privileges so that we can be killed, etc by the user
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seteuid(g_originalUid);
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pidChild = fork();
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if (pidChild < 0)
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{
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if (errno == ENOMEM)
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{
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// This condition happens specifically when the init process is a zombie.
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// We should simply start a new init process.
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return -ENOMEM;
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}
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fprintf(stderr, "Cannot spawn a child process: %s\n", strerror(errno));
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exit(1);
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}