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authorDenys Vlasenko <vda.linux@googlemail.com>2011-02-07 02:03:51 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2011-02-07 02:03:51 +0100
commit8ee2adab21328761b80e0cbc513eda7eaa880b24 (patch)
treec771696ab3b1be735e831b1721ab751c874e1cd3 /shell/hush.c
parentb8ab4b038803df195eee9844c3597dd640c00393 (diff)
downloadbusybox-8ee2adab21328761b80e0cbc513eda7eaa880b24.tar.gz
echo: do not retry on write errors
function old new delta echo_main 297 336 +39 stpcpy - 22 +22 run_pipe 1561 1566 +5 pseudo_exec_argv 187 192 +5 hush_exit 75 80 +5 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 4/0 up/down: 98/0) Total: 76 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush.c')
-rw-r--r--shell/hush.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/shell/hush.c b/shell/hush.c
index 10788b8e7..e857e7464 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -1418,6 +1418,7 @@ static void sigexit(int sig)
static void hush_exit(int exitcode) NORETURN;
static void hush_exit(int exitcode)
{
+ fflush_all();
if (G.exiting <= 0 && G.traps && G.traps[0] && G.traps[0][0]) {
/* Prevent recursion:
* trap "echo Hi; exit" EXIT; exit
@@ -6105,10 +6106,13 @@ static void exec_builtin(char ***to_free,
char **argv)
{
#if BB_MMU
- int rcode = x->b_function(argv);
+ int rcode;
+ fflush_all();
+ rcode = x->b_function(argv);
fflush_all();
_exit(rcode);
#else
+ fflush_all();
/* On NOMMU, we must never block!
* Example: { sleep 99 | read line; } & echo Ok
*/
@@ -6832,6 +6836,7 @@ static NOINLINE int run_pipe(struct pipe *pi)
if (!funcp) {
debug_printf_exec(": builtin '%s' '%s'...\n",
x->b_cmd, argv_expanded[1]);
+ fflush_all();
rcode = x->b_function(argv_expanded) & 0xff;
fflush_all();
}
@@ -7641,6 +7646,7 @@ int hush_main(int argc, char **argv)
G.global_argc -= builtin_argc; /* skip [BARGV...] "" */
G.global_argv += builtin_argc;
G.global_argv[-1] = NULL; /* replace "" */
+ fflush_all();
G.last_exitcode = x->b_function(argv + optind - 1);
}
goto final_return;