Hi Marcel,
On Thu, Jul 03, 2014 at 12:38:29PM +0200, Marcel Holtmann wrote:
> Hi Andrei,
>
> > Java expects file descriptor passed with channel_state_cb() to be
> > blocking.
> > ---
> > android/hal-health.c | 9 +++++++++
> > 1 file changed, 9 insertions(+)
> >
> > diff --git a/android/hal-health.c b/android/hal-health.c
> > index 858d499..2ff19ab 100644
> > --- a/android/hal-health.c
> > +++ b/android/hal-health.c
> > @@ -19,6 +19,8 @@
> > #include <stddef.h>
> > #include <string.h>
> > #include <stdlib.h>
> > +#include <fcntl.h>
> > +#include <unistd.h>
> >
> > #include "hal-log.h"
> > #include "hal.h"
> > @@ -44,6 +46,13 @@ static void handle_app_registration_state(void *buf, uint16_t len, int fd)
> > static void handle_channel_state(void *buf, uint16_t len, int fd)
> > {
> > struct hal_ev_health_channel_state *ev = buf;
> > + int flags;
> > +
> > + if ((flags = fcntl(fd, F_GETFL, 0)) < 0)
> > + flags = 0;
>
> I do not like the if ((x = x) < x) syntax. Don't use that.
>
> Also what is the point of setting it to 0 here. Just skip the F_SETFL. I rather print a proper error here then trying to outsmart ourselves.
>
> > +
> > + fcntl(fd, F_SETFL, flags & ~O_NONBLOCK);
> > +
>
> Same here. Might check the return error and print an error if it fails. At least then someone can debug it.
>
OK, I will send updated version ASAP.
Best regards
Andrei Emeltchenko
> >
> > if (cbacks->channel_state_cb)
> > cbacks->channel_state_cb(ev->app_id, (bt_bdaddr_t *) ev->bdaddr,
>
> Regards
>
> Marcel
>
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