*: introduce and use xfork() and xvfork()

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>
This commit is contained in:
Pascal Bellard
2010-07-04 15:32:38 +02:00
committed by Denys Vlasenko
parent 243d1757d7
commit 926031b764
21 changed files with 56 additions and 95 deletions

View File

@@ -1041,12 +1041,10 @@ static int popen2(FILE **in, FILE **out, char *command, char *param)
xpiped_pair(outfd);
fflush_all();
pid = vfork();
pid = xvfork();
switch (pid) {
case -1: /* failure */
bb_perror_msg_and_die("vfork");
case 0: /* child */
if (pid == 0) {
/* Child */
/* NB: close _first_, then move fds! */
close(infd.wr);
close(outfd.rd);