[LTP] [PATCH] syscalls/fanotify: Kill the child process before exit

[Petr Vorel]

Hi all,

> Before the main process exit abnormally, we need to kill
> the child process.

Amir, Matthew, could you please have a look?

Kind regards,
Petr

> Signed-off-by: Zhao Gongyi <zhaogongyi@huawei.com>
> ---
>  .../kernel/syscalls/fanotify/fanotify07.c     | 35 ++++++++++++++++++-
>  1 file changed, 34 insertions(+), 1 deletion(-)

> diff --git a/testcases/kernel/syscalls/fanotify/fanotify07.c b/testcases/kernel/syscalls/fanotify/fanotify07.c
> index cc56d9019..0a0b4f1e4 100644
> --- a/testcases/kernel/syscalls/fanotify/fanotify07.c
> +++ b/testcases/kernel/syscalls/fanotify/fanotify07.c
> @@ -108,6 +108,39 @@ static int setup_instance(void)
>  	return fd;
>  }

> +static int setup_another_instance(void)
> +{
> +	int rval;
> +	int fd = fanotify_init(FAN_CLASS_CONTENT, O_RDONLY);
> +
> +	if (fd == -1) {
> +		stop_children();
> +		tst_brk(TBROK | TERRNO, "fanotify_init() failed");
> +	}
> +
> +	if (fd < -1) {
> +		stop_children();
> +		tst_brk(TBROK | TERRNO,
> +			"invalid fanotify_init() return %d", fd);
> +	}
> +
> +	rval = fanotify_mark(fd,
> +		FAN_MARK_ADD, FAN_ACCESS_PERM, AT_FDCWD, fname);
> +
> +	if (rval == -1) {
> +		stop_children();
> +		tst_brk(TBROK | TERRNO, "fanotify_mark() failed");
> +	}
> +
> +	if (rval < -1) {
> +		stop_children();
> +		tst_brk(TBROK | TERRNO,
> +			"invalid fanotify_mark() return %d", rval);
> +	}
> +
> +	return fd;
> +}
> +
>  static void loose_fanotify_events(void)
>  {
>  	int not_responded = 0;
> @@ -160,7 +193,7 @@ static void test_fanotify(void)
>  	 * Create and destroy another instance. This may hang if
>  	 * unanswered fanotify events block notification subsystem.
>  	 */
> -	newfd = setup_instance();
> +	newfd = setup_another_instance();

>  	SAFE_CLOSE(newfd);