emo/busybox
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*: 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
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
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4
miscutils/time.c
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@ -372,9 +372,7 @@ static void run_command(char *const *cmd, resource_t *resp)
void (*quit_signal)(int);
resp->elapsed_ms = monotonic_us() / 1000;
pid = vfork(); /* Run CMD as child process. */
if (pid < 0)
bb_error_msg_and_die("cannot fork");
pid = xvfork(); /* Run CMD as child process. */
if (pid == 0) { /* If child. */
/* Don't cast execvp arguments; that causes errors on some systems,
versus merely warnings if the cast is left off. */