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*: 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
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(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
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8
miscutils/crontab.c
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@ -20,10 +20,8 @@
static void edit_file(const struct passwd *pas, const char *file)
{
const char *ptr;
int pid = vfork();
int pid = xvfork();
if (pid < 0) /* failure */
bb_perror_msg_and_die("vfork");
if (pid) { /* parent */
wait4pid(pid);
return;
@ -51,9 +49,7 @@ static int open_as_user(const struct passwd *pas, const char *file)
pid_t pid;
char c;
pid = vfork();
if (pid < 0) /* ERROR */
bb_perror_msg_and_die("vfork");
pid = xvfork();
if (pid) { /* PARENT */
if (wait4pid(pid) == 0) {
/* exitcode 0: child says it can read */