emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Improve STANDALONE_SHELL. "safe" applets are renamed NOEXEC applets

Browse Source 
and now this fact is recorded in applets.h, not ash.c.

Several fixes to "--help + STANDALONE_SHELL" scenarios.

function                                             old     new   delta
run_current_applet_and_exit                            -     355    +355
arith                                               2064    2073      +9
refresh                                             1148    1156      +8
getopt32                                            1068    1073      +5
telnet_main                                         1510    1514      +4
md5_sha1_sum_main                                    565     566      +1
xstrtoul_range_sfx                                   255     251      -4
packed_usage                                       22523   22514      -9
tryexec                                              255     203     -52
static.safe_applets                                  152       -    -152
.rodata                                           131320  131128    -192
run_applet_by_name                                   869     506    -363
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 5/5 up/down: 382/-772)         Total: -390 bytes

./busybox ash -c 'i=20000; while test $i != 0; do touch z; i=$((i-1)); done'
runs more than twice as fast with STANDALONE_SHELL versus without.
This commit is contained in:
Denis Vlasenko
2007-04-09 03:11:58 +00:00
parent 95cb3263ae
commit c44ab01b75
5 changed files with 65 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
include/busybox.h
View File

@ -27,8 +27,15 @@ enum SUIDRoot {
struct BB_applet {
const char *name;
int (*main) (int argc, char **argv);
__extension__ enum Location location:4;
__extension__ enum SUIDRoot need_suid:4;
__extension__ enum Location location:8;
__extension__ enum SUIDRoot need_suid:8;
/* true if instead if fork(); exec("applet"); waitpid();
* one can do fork(); exit(applet_main(argc,argv)); waitpid(); */
unsigned char noexec;
/* Even nicer */
/* true if instead if fork(); exec("applet"); waitpid();
* one can simply call applet_main(argc,argv); */
unsigned char nofork;
};
/* Defined in applet.c */