mirror of https://github.com/BOINC/boinc.git
28 lines
979 B
C++
28 lines
979 B
C++
// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2022 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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#include <sys/ipc.h>
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#include <sys/stat.h>
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key_t ftok(const char *path, int id)
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{
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struct stat st;
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if (stat(path, &st) < 0) return -1;
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return ((st.st_ino & 0xffff) | ((st.st_dev & 0xff) << 16) | ((id & 0xff) << 24));
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}
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