*: introduce and use xvfork()

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
This commit is contained in:
Denis Vlasenko 2008-07-01 10:40:41 +00:00
parent 148f67af9d
commit 3da5572bfa
12 changed files with 18 additions and 42 deletions

View file

@ -404,9 +404,7 @@ int start_stop_daemon_main(int argc ATTRIBUTE_UNUSED, char **argv)
/* DAEMON_DEVNULL_STDIO is superfluous -
* it's always done by bb_daemonize() */
#else
pid_t pid = vfork();
if (pid < 0) /* error */
bb_perror_msg_and_die("vfork");
pid_t pid = xvfork();
if (pid != 0) {
/* parent */
/* why _exit? the child may have changed the stack,