b44c790e41
chrt,taskset,dc,eject: shrink crontab: call "vi" with just name, no path watchdog: intercept all fatal signals function old new delta xstrtoull_range - 35 +35 static.sg_commands - 18 +18 packed_usage 23698 23712 +14 watchdog_main 148 151 +3 crontab_main 637 638 +1 base 1 - -1 static.ps 4 - -4 pointer 4 - -4 stack_machine 99 92 -7 run_command 273 260 -13 eject_main 360 343 -17 static.C 30 12 -18 ptok 61 38 -23 xstrtol_range 27 - -27 get_token 35 - -35 taskset_main 586 550 -36 chrt_main 411 372 -39 dc_main 158 117 -41 time_main 1127 1037 -90 ------------------------------------------------------------------------------ (add/remove: 2/5 grow/shrink: 3/9 up/down: 71/-355) Total: -284 bytes text data bss dec hex filename 793680 662 7420 801762 c3be2 busybox_old 793327 662 7412 801401 c3a79 busybox_unstripped
36 lines
917 B
C
36 lines
917 B
C
/* vi: set sw=4 ts=4: */
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/*
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* setsid.c -- execute a command in a new session
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* Rick Sladkey <jrs@world.std.com>
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* In the public domain.
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*
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* 1999-02-22 Arkadiusz Mickiewicz <misiek@pld.ORG.PL>
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* - added Native Language Support
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*
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* 2001-01-18 John Fremlin <vii@penguinpowered.com>
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* - fork in case we are process group leader
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*
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* 2004-11-12 Paul Fox
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* - busyboxed
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*/
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#include "libbb.h"
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int setsid_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int setsid_main(int argc ATTRIBUTE_UNUSED, char **argv)
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{
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if (!argv[1])
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bb_show_usage();
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/* setsid() is allowed only when we are not a process group leader.
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* Otherwise our PID serves as PGID of some existing process group
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* and cannot be used as PGID of a new process group. */
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if (getpgrp() == getpid())
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forkexit_or_rexec(argv);
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setsid(); /* no error possible */
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BB_EXECVP(argv[1], argv + 1);
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bb_simple_perror_msg_and_die(argv[1]);
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}
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