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| author | Denys Vlasenko | 2017-08-02 16:52:12 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2017-08-02 16:52:12 +0200 |
| commit | dd4b446f76736c0a13a61a38d7d816b6e6b5fca2 (patch) | |
| tree | f087ac7c9c2d4a041a55fb3974ee8b9babe336bc /shell/hush.c | |
| parent | 7c40ddd9500907925041131374cb43eb87ef5494 (diff) | |
| download | busybox-dd4b446f76736c0a13a61a38d7d816b6e6b5fca2.zip busybox-dd4b446f76736c0a13a61a38d7d816b6e6b5fca2.tar.gz | |
hush: make SIGINT handling visually less confusing
$ echo $$
18448
$ echo $? <wait here, run "kill -INT 18448" in other shell><press enter>
<=== NOTHING??
$
That empty line does not look right. After this patch:
$ echo $$
18448
$ echo $? <wait here, run "kill -INT 18448" in other shell><press enter>
^C
$
function old new delta
fgetc_interactive 245 246 +1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/hush.c')
| -rw-r--r-- | shell/hush.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/shell/hush.c b/shell/hush.c index cfefb73..93ed0bc 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -2415,14 +2415,14 @@ static int get_user_input(struct in_str *i) /*timeout*/ -1 ); /* read_line_input intercepts ^C, "convert" it to SIGINT */ - if (r == 0) { - write(STDOUT_FILENO, "^C", 2); + if (r == 0) raise(SIGINT); - } check_and_run_traps(); if (r != 0 && !G.flag_SIGINT) break; /* ^C or SIGINT: repeat */ + /* bash prints ^C even on real SIGINT (non-kbd generated) */ + write(STDOUT_FILENO, "^C", 2); G.last_exitcode = 128 + SIGINT; } if (r < 0) { |