Denys Vlasenko
c5d0f15dbd
libbb: spawn should remove child which failed to exec
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-02-03 14:14:09 +01:00
Denys Vlasenko
6307357eff
move nofork_save_area from libbb.h to vfork_daemon_rexec.c
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-02-02 19:05:25 +01:00
Denys Vlasenko
c71b469f5d
libbb: make BB_EXECVP/LP try to exec real binary if there's no /proc/self/exe
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-02-02 03:28:56 +01:00
Denys Vlasenko
0ef64bdb40
*: make GNU licensing statement forms more regular
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This change retains "or later" state! No licensing _changes_ here,
only form is adjusted (article, space between "GPL" and "v2" and so on).
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-16 20:14:46 +02:00
Pascal Bellard
926031b764
*: introduce and use xfork() and xvfork()
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function old new delta
launch_helper 170 169 -1
setup_heredoc 312 302 -10
handle_dir_common 367 354 -13
expand_vars_to_list 2456 2443 -13
open_transformer 89 74 -15
data_extract_to_command 439 423 -16
do_ipaddr 1406 1389 -17
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-85) Total: -85 bytes
Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-04 15:32:38 +02:00
Pascal Bellard
21e8e8da64
libbb: introduce and use BB_EXECVP_or_die()
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function old new delta
BB_EXECVP_or_die - 47 +47
time_main 1042 1043 +1
chrt_main 371 364 -7
ionice_main 292 282 -10
setsid_main 69 56 -13
nohup_main 236 223 -13
cttyhack_main 266 253 -13
chroot_main 94 81 -13
chpst_main 746 733 -13
timeout_main 297 279 -18
taskset_main 541 522 -19
vfork_child 67 45 -22
parse 975 953 -22
lpd_main 770 748 -22
launch_helper 192 170 -22
tcpudpsvd_main 1810 1782 -28
nice_main 190 156 -34
env_main 242 206 -36
run_command 221 174 -47
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/17 up/down: 48/-352) Total: -304 bytes
Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-04 00:57:03 +02:00
Denys Vlasenko
41ddd9f606
*: make exec failure message more consistent
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-06-25 01:46:53 +02:00
Denys Vlasenko
8531d76a15
*: code shrink and better "died from signal" reporting from wait4pid
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function old new delta
parse 964 967 +3
udhcp_run_script 670 665 -5
singlemount 911 906 -5
mount_it_now 360 355 -5
inotifyd_main 521 516 -5
xspawn 21 - -21
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/4 up/down: 3/-41) Total: -38 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-03-18 22:44:00 +01:00
Denys Vlasenko
8131eea3dc
*: introduce and use ffulsh_all()
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function old new delta
buffer_fill_and_print 179 196 +17
fflush_all - 9 +9
spawn 87 92 +5
rtcwake_main 455 453 -2
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alarm_intr 93 84 -9
readcmd 1072 1062 -10
bb_ask 345 333 -12
more_main 845 832 -13
flush_stdout_stderr 42 23 -19
xfflush_stdout 27 - -27
flush_stderr 30 - -30
------------------------------------------------------------------------------
(add/remove: 1/2 grow/shrink: 2/50 up/down: 31/-397) Total: -366 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-02 14:19:51 +01:00
Denys Vlasenko
4db34d6e27
libbb: revert the change where spawn reports exec failure
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-11 04:09:37 +02:00
Denys Vlasenko
3f11f35124
libbb: make spawn() print "can't execute '%s'" on execv error
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-08 23:28:29 +02:00
Denys Vlasenko
606291beab
*: more portability fixes by Dan Fandrich
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-09-23 23:15:43 +02:00
Denys Vlasenko
8f24f9812d
stop using non-standard macro, use WEXITSTATUS instead
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-06-07 16:02:00 +02:00
Denis Vlasenko
83518d18a3
Compatibility fixes:
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grep: support -z
find: support --mindepth
together +45 bytes
cpio: support -p (configurable, +230 bytes)
libbb: tweaks for cpio
2009-03-20 22:17:13 +00:00
Denis Vlasenko
3854c5ddf4
runsvdir: alternative methon of supporting runsvdir-as-init. +66 bytes.
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*: s/int/pid_t where appropriate
2008-11-06 22:39:57 +00:00
Denis Vlasenko
d1660cb9ad
ash: fix a bug in standalone mode (corrupted getopt() state)
2008-10-20 07:52:33 +00:00
Denis Vlasenko
d48e81f0cd
mdev: do not follow symlinks in /sys (as was intended prior to rev 18811).
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If this breaks things, please document why!
mdev,init: use shared code for fd sanitization
function old new delta
bb_daemonize_or_rexec 155 172 +17
mdev_main 500 505 +5
init_main 907 856 -51
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 22/-51) Total: -29 bytes
2008-07-06 07:00:11 +00:00
Denis Vlasenko
82604e9730
revert last two commits. vfork cannot be used in subroutine,
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it trashes stack on return
2008-07-01 15:59:42 +00:00
Denis Vlasenko
58d60c3333
*: introduce and use xfork()
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function old new delta
xfork - 20 +20
msh_main 1377 1380 +3
mod_process 455 446 -9
forkexit_or_rexec 30 17 -13
expand_variables 1434 1421 -13
open_transformer 91 76 -15
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/4 up/down: 23/-50) Total: -27 bytes
2008-07-01 11:11:24 +00:00
Denis Vlasenko
3da5572bfa
*: introduce and use xvfork()
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function old new delta
time_main 1052 1285 +233
crontab_main 623 856 +233
ifupdown_main 2202 2403 +201
xvfork - 20 +20
passwd_main 1049 1053 +4
grave 1068 1066 -2
script_main 935 921 -14
vfork_or_die 20 - -20
vfork_compressor 206 175 -31
open_as_user 109 - -109
popen2 218 - -218
edit_file 910 690 -220
run_command 268 - -268
------------------------------------------------------------------------------
(add/remove: 1/4 grow/shrink: 4/4 up/down: 691/-882) Total: -191 bytes
2008-07-01 10:40:41 +00:00
Denis Vlasenko
defc1ea340
*: introduce and use FAST_FUNC: regparm on i386, otherwise no-on
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text data bss dec hex filename
808035 611 6868 815514 c719a busybox_old
804472 611 6868 811951 c63af busybox_unstripped
2008-06-27 02:52:20 +00:00
Bernhard Reutner-Fischer
636a1f85e8
- use EXIT_{SUCCESS,FAILURE}. No object-code changes
2008-05-19 09:29:47 +00:00
Denis Vlasenko
867bd37c7f
fix english in comment
2008-04-13 02:27:39 +00:00
Denis Vlasenko
7465dbcf2a
ash: speed up NOFORK code in ash by eliminating second find_applet().
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some code reduction along the way.
function old new delta
run_list 1971 1981 +10
run_nofork_applet_prime 181 182 +1
unsetcmd 97 96 -1
delete_cmd_entry 54 53 -1
describe_command 399 397 -2
cmdlookup 152 150 -2
evaltreenr 602 599 -3
evaltree 602 599 -3
clearcmdentry 101 98 -3
cdcmd 675 672 -3
hashcmd 305 301 -4
find_command 933 910 -23
evalcommand 1371 1229 -142
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/11 up/down: 11/-187) Total: -176 bytes
2008-04-13 02:25:53 +00:00
Denis Vlasenko
cb448fe01b
libbb: introduce and use xrename and rename_or_warn.
2008-02-17 14:28:53 +00:00
Denis Vlasenko
9772816570
*: move getopt reset code to better place(s)
2008-01-28 22:57:10 +00:00
Denis Vlasenko
c4e4be9414
tentatively fix getopt state corruption for NOFORK applets
2008-01-27 22:39:55 +00:00
Denis Vlasenko
fb0eba706c
libbb: introduce and use safe_waitpid (loops in EINTR)
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*: use more approproate (shorter) versions of wait()
function old new delta
safe_waitpid - 48 +48
wait_any_nohang - 17 +17
send_tree 365 369 +4
processorstop 432 435 +3
text_yank 110 108 -2
make_human_readable_str 202 200 -2
crond_main 1368 1366 -2
handle_sigchld 49 43 -6
reapchild 166 159 -7
custom 260 250 -10
checkscript 191 177 -14
wait_nohang 17 - -17
wait_pid 43 - -43
------------------------------------------------------------------------------
(add/remove: 2/2 grow/shrink: 2/7 up/down: 72/-103) Total: -31 bytes
2008-01-02 19:55:04 +00:00
Denis Vlasenko
745cd17926
Further optimize applet tables; prettify build output
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text data bss dec hex filename
775923 929 9100 785952 bfe20 busybox_old
775565 929 9100 785594 bfcba busybox_unstripped
2007-11-29 03:31:20 +00:00
Denis Vlasenko
1aa7e477b1
reorganize applet table. Eliminates pointers to names.
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Should be a big win for libbusybox. busybox wins too:
text data bss dec hex filename
776524 929 9100 786553 c0079 busybox_old
775903 929 9100 785932 bfe0c busybox_unstripped
2007-11-28 06:49:03 +00:00
Denis Vlasenko
82d38dab91
get rid of global "struct bb_applet *current_applet"
2007-10-10 14:38:47 +00:00
Denis Vlasenko
0c97c9d437
'simple' error message functions by Loic Grenie <loic.grenie@gmail.com>.
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263 bytes saved.
2007-10-01 11:58:38 +00:00
Denis Vlasenko
367960ba9a
make standalone httpd work on NOMMU machines
2007-08-18 14:20:21 +00:00
Denis Vlasenko
a1b16f4d5c
start_stop_daemon: NOMMU fix; smaller fixes
2007-07-31 17:09:44 +00:00
Denis Vlasenko
d8540f71ac
init: make sure fd 0,1,2 are not closed, + related optimizations.
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init_main 929 920 -9
bb_daemonize_or_rexec 145 127 -18
2007-06-14 07:53:06 +00:00
Denis Vlasenko
bdbbb7ec49
make busybox --install work even if /proc/self/exe doesn't exist
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# size busybox_old busybox_unstripped
text data bss dec hex filename
680095 2704 15648 698447 aa84f busybox_old
680099 2704 15648 698451 aa853 busybox_unstripped
2007-06-08 15:02:55 +00:00
Denis Vlasenko
b055001b6a
hush: fix handling of unmatched ${name (without closing '}') -
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was eating all remaining input, potentially megabytes.
nofork: save/restore die_jmp too
nofork: use -2222 instead of -111 as "special" return valur for zero
(-111 is used by some applets. -2222 won't fit in exitcode and thus safer)
2007-05-24 12:18:16 +00:00
Denis Vlasenko
96f67dc69d
more compile fixes from randomconfig run
2007-05-17 13:02:41 +00:00
Denis Vlasenko
18e19f2b0d
hush: fix nofork + ctrl-Z clobbering of globals
2007-04-28 16:43:18 +00:00
Denis Vlasenko
f5294e1f4c
hush: use NOFORK applets as appropriate. Net reduction of code size.
2007-04-14 10:09:57 +00:00
Denis Vlasenko
831a20f512
pass a copy of argv[i] to NOFORK applets (they may permute it etc).
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set/save/restore more shared global variables whan call one applet from another
2007-04-12 12:27:32 +00:00
Denis Vlasenko
d571c08c25
fix misplaced #if
2007-04-11 07:26:56 +00:00
Denis Vlasenko
473dae080a
add more convenient defines for [NO]MMU:
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"#ifndef BB_NOMMU" is a double negative
2007-04-11 07:04:23 +00:00
Denis Vlasenko
f1a7141cfc
random NOMMU fixes. compressed --help really does work for NOMMU! /me happy
2007-04-10 23:32:37 +00:00
Denis Vlasenko
80d14beae9
Rename two config options:
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FEATURE_SH_STANDALONE_SHELL => FEATURE_SH_STANDALONE
FEATURE_EXEC_PREFER_APPLETS => FEATURE_PREFER_APPLETS
Make SH_STANDALONE depend on PREFER_APPLETS.
getopt.c: more randomconfig-induced fixes
2007-04-10 23:03:30 +00:00
Denis Vlasenko
c6758a07c6
make compressed help code NOMMU- and NOFORK-friendly -
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no forking anymore, bunzip2 unpack routine now does all it in memory.
2007-04-10 21:40:19 +00:00
Denis Vlasenko
335b63d8d1
make a few struct bb_applet members conditional
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rename sllep_and_die -> xfunc_die
make fflush_stdout_and_exit NOFORK-safe
fix some buglets found by randomconfig
2007-04-10 21:38:30 +00:00
Denis Vlasenko
3f3aa2a57d
make xfunctions optionally longjump instead of exit.
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use it for making NOFORK more practical.
touch: make it a NOFORK applet
2007-04-09 21:35:07 +00:00
Denis Vlasenko
cd7001f705
factor out NOFORK/NOEXEC code from find. Use it for xargs too.
2007-04-09 21:32:30 +00:00
Denis Vlasenko
53d445aa75
wait4pid: if passed with pid < 0, do not set errno - it is already set by exec!
2007-04-09 13:21:33 +00:00
