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| author | Denys Vlasenko | 2016-11-07 23:07:21 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2016-11-07 23:07:21 +0100 |
| commit | 26ad94bedcc6a4aa3feb07ea032709bcd517ee46 (patch) | |
| tree | b37f58cf17146d1b6945fa3991585e81223ba286 | |
| parent | 62b717b75ebff3ab00aae2fee0087a8106208a39 (diff) | |
| download | busybox-26ad94bedcc6a4aa3feb07ea032709bcd517ee46.zip busybox-26ad94bedcc6a4aa3feb07ea032709bcd517ee46.tar.gz | |
hush: "wait $!; echo $?" should return 127 if $! already exited
It would be nice to provide bash-like "remember las exitcode"
thingy, but it's a bit complex. For now, match ash and dash.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | shell/hush.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/shell/hush.c b/shell/hush.c index b842d6e..7683a37 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -9636,12 +9636,13 @@ static int FAST_FUNC builtin_wait(char **argv) /* "wait $!" but last bg task has already exited. Try: * (sleep 1; exit 3) & sleep 2; echo $?; wait $!; echo $? * In bash it prints exitcode 0, then 3. + * In dash, it is 127. */ - ret = 0; /* FIXME */ - continue; + /* ret = G.last_bg_pid_exitstatus - FIXME */ + } else { + /* Example: "wait 1". mimic bash message */ + bb_error_msg("wait: pid %d is not a child of this shell", (int)pid); } - /* Example: "wait 1". mimic bash message */ - bb_error_msg("wait: pid %d is not a child of this shell", (int)pid); } else { /* ??? */ bb_perror_msg("wait %s", *argv); |