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1 /* vi: set sw=4 ts=4:
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2 *
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3 * setsid.c - Run program in a new session ID.
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4 *
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5 * Copyright 2006 Rob Landley <rob@landley.net>
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6 *
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7 * Not in SUSv3.
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8 * See http://www.opengroup.org/onlinepubs/009695399/utilities/
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9
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10 USE_SETSID(NEWTOY(setsid, "^<1t", TOYFLAG_USR|TOYFLAG_BIN))
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11
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12 config SETSID
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13 bool "setsid"
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14 default y
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15 help
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16 usage: setsid [-t] command [args...]
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17
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18 Run process in a new session.
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19
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20 -t Grab tty (become foreground process, receiving keyboard signals)
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21 */
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22
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23 #include "toys.h"
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24
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25 void setsid_main(void)
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26 {
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27 while (setsid()<0)
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28 if (vfork()) _exit(0);
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29 if (toys.optflags) {
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30 setpgid(0,0);
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31 tcsetpgrp(0, getpid());
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32 }
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33 xexec(toys.optargs);
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34 }
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