diff options
| author | Pascal Bellard | 2010-07-04 15:32:38 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2010-07-04 15:32:38 +0200 |
| commit | 926031b7640bf5aad2ffcd54b096911743a47d97 (patch) | |
| tree | 093e0e1bab2c905a97c5880e4942e2000ada7e72 /shell/hush.c | |
| parent | 243d1757d798a0cd43f51eb1db75cc1e81c65732 (diff) | |
| download | busybox-926031b7640bf5aad2ffcd54b096911743a47d97.zip 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 'shell/hush.c')
| -rw-r--r-- | shell/hush.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/shell/hush.c b/shell/hush.c index 29ff3c4..831443e 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -3208,15 +3208,11 @@ static void setup_heredoc(struct redir_struct *redir) #if !BB_MMU to_free = NULL; #endif - pid = vfork(); - if (pid < 0) - bb_perror_msg_and_die("vfork"); + pid = xvfork(); if (pid == 0) { /* child */ disable_restore_tty_pgrp_on_exit(); - 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) _exit(0); /* grandchild */ @@ -4450,7 +4446,7 @@ static NOINLINE int run_pipe(struct pipe *pi) argv_expanded = NULL; if (command->pid < 0) { /* [v]fork failed */ /* Clearly indicate, was it fork or vfork */ - bb_perror_msg(BB_MMU ? "fork" : "vfork"); + bb_perror_msg(BB_MMU ? "vfork"+1 : "vfork"); } else { pi->alive_cmds++; #if ENABLE_HUSH_JOB @@ -5586,10 +5582,7 @@ static FILE *generate_stream_from_string(const char *s, pid_t *pid_p) # endif xpipe(channel); - 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 */ disable_restore_tty_pgrp_on_exit(); /* Process substitution is not considered to be usual |