diff options
| author | Pascal Bellard <pascal.bellard@ads-lu.com> | 2010-07-04 15:32:38 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2010-07-04 15:32:38 +0200 |
| commit | 926031b7640bf5aad2ffcd54b096911743a47d97 (patch) | |
| tree | 093e0e1bab2c905a97c5880e4942e2000ada7e72 /networking | |
| parent | 243d1757d798a0cd43f51eb1db75cc1e81c65732 (diff) | |
| download | busybox-926031b7640bf5aad2ffcd54b096911743a47d97.tar.gz | |
*: 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>
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/ftpd.c | 5 | ||||
| -rw-r--r-- | networking/ifupdown.c | 8 | ||||
| -rw-r--r-- | networking/inetd.c | 2 | ||||
| -rw-r--r-- | networking/nc.c | 6 |
4 files changed, 7 insertions, 14 deletions
diff --git a/networking/ftpd.c b/networking/ftpd.c index c63b9319e..e8cae0a36 100644 --- a/networking/ftpd.c +++ b/networking/ftpd.c @@ -632,10 +632,7 @@ popen_ls(const char *opt) xpiped_pair(outfd); /*fflush_all(); - so far we dont use stdio on output */ - pid = BB_MMU ? fork() : vfork(); - if (pid < 0) - bb_perror_msg_and_die(BB_MMU ? "fork" : "vfork"); - + pid = BB_MMU ? xfork() : xvfork(); if (pid == 0) { /* child */ #if !BB_MMU diff --git a/networking/ifupdown.c b/networking/ifupdown.c index 1bab2c5cb..69c56e879 100644 --- a/networking/ifupdown.c +++ b/networking/ifupdown.c @@ -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); diff --git a/networking/inetd.c b/networking/inetd.c index 2b0e0069e..7030062b6 100644 --- a/networking/inetd.c +++ b/networking/inetd.c @@ -1271,7 +1271,7 @@ int inetd_main(int argc UNUSED_PARAM, char **argv) pid = vfork(); if (pid < 0) { /* fork error */ - bb_perror_msg("fork"); + bb_perror_msg("vfork"+1); sleep(1); restore_sigmask(&omask); maybe_close(accepted_fd); diff --git a/networking/nc.c b/networking/nc.c index 5fd8bd759..0dacaf117 100644 --- a/networking/nc.c +++ b/networking/nc.c @@ -216,10 +216,8 @@ int nc_main(int argc, char **argv) if (execparam) { pid_t pid; /* With more than one -l, repeatedly act as server */ - if (do_listen > 1 && (pid = vfork()) != 0) { - /* parent or error */ - if (pid < 0) - bb_perror_msg_and_die("vfork"); + if (do_listen > 1 && (pid = xvfork()) != 0) { + /* parent */ /* prevent zombies */ signal(SIGCHLD, SIG_IGN); close(cfd); |