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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * setsid.c -- execute a command in a new session
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4 | * Rick Sladkey <jrs@world.std.com>
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5 | * In the public domain.
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6 | *
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7 | * 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
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8 | * - added Native Language Support
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9 | *
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10 | * 2001-01-18 John Fremlin <vii@penguinpowered.com>
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11 | * - fork in case we are process group leader
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12 | *
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13 | * 2004-11-12 Paul Fox
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14 | * - busyboxed
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15 | */
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16 |
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17 | #include "libbb.h"
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18 |
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19 | int setsid_main(int argc, char **argv);
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20 | int setsid_main(int argc, char **argv)
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21 | {
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22 | if (argc < 2)
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23 | bb_show_usage();
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24 |
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25 | /* Comment why is this necessary? */
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26 | if (getpgrp() == getpid())
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27 | forkexit_or_rexec(argv);
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28 |
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29 | setsid(); /* no error possible */
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30 |
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31 | BB_EXECVP(argv[1], argv + 1);
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32 | bb_perror_msg_and_die("%s", argv[1]);
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33 | }
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