Re: libmultipath: use poll() in uevent_listen()

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On Wed, May 11, 2016 at 12:35:53PM +0200, Hannes Reinecke wrote:
> As we're not modifying the signal mask anymore we can switch
> back to normal 'poll' instead of 'ppoll'.


ACK

-Ben

> 
> Signed-off-by: Hannes Reinecke <hare@xxxxxxxx>
> ---
>  libmultipath/uevent.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/libmultipath/uevent.c b/libmultipath/uevent.c
> index fbe9c44..454b819 100644
> --- a/libmultipath/uevent.c
> +++ b/libmultipath/uevent.c
> @@ -477,7 +477,6 @@ int uevent_listen(struct udev *udev)
>  	int fd, fd_ep = -1, socket_flags, events;
>  	int need_failback = 1;
>  	int timeout = 30;
> -	sigset_t mask;
>  	LIST_HEAD(uevlisten_tmp);
>  
>  	/*
> @@ -528,22 +527,20 @@ int uevent_listen(struct udev *udev)
>  		goto out;
>  	}
>  
> -	pthread_sigmask(SIG_SETMASK, NULL, &mask);
>  	events = 0;
>  	while (1) {
>  		struct uevent *uev;
>  		struct udev_device *dev;
>  		struct pollfd ev_poll;
> -		struct timespec poll_timeout;
> +		int poll_timeout;
>  		int fdcount;
>  
>  		memset(&ev_poll, 0, sizeof(struct pollfd));
>  		ev_poll.fd = fd;
>  		ev_poll.events = POLLIN;
> -		memset(&poll_timeout, 0, sizeof(struct timespec));
> -		poll_timeout.tv_sec = timeout;
> +		poll_timeout = timeout * 1000;
>  		errno = 0;
> -		fdcount = ppoll(&ev_poll, 1, &poll_timeout, &mask);
> +		fdcount = poll(&ev_poll, 1, poll_timeout);
>  		if (fdcount && ev_poll.revents & POLLIN) {
>  			timeout = 0;
>  			dev = udev_monitor_receive_device(monitor);
> -- 
> 2.6.6

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