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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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16
libbb/vfork_daemon_rexec.c
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@ -224,26 +224,12 @@ pid_t FAST_FUNC fork_or_rexec(char **argv)
/* Maybe we are already re-execed and come here again? */
if (re_execed)
return 0;
pid = vfork();
if (pid < 0) /* wtf? */
bb_perror_msg_and_die("vfork");
pid = xvfork();
if (pid) /* parent */
return pid;
/* child - re-exec ourself */
re_exec(argv);
}
#else
/* Dance around (void)...*/
#undef fork_or_rexec
pid_t FAST_FUNC fork_or_rexec(void)
{
pid_t pid;
pid = fork();
if (pid < 0) /* wtf? */
bb_perror_msg_and_die("fork");
return pid;
}
#define fork_or_rexec(argv) fork_or_rexec()
#endif
/* Due to a #define in libbb.h on MMU systems we actually have 1 argument -