[OpenWrt-Devel] [PATCH libubox 1/2] usock: add helper waiting for socket to be ready

[Felix Fietkau]

On 2015-01-15 12:42, Rafał Miłecki wrote:
> Signed-off-by: Rafał Miłecki <zajec5 at gmail.com>
> ---
>  usock.c | 30 ++++++++++++++++++++++++++++++
>  usock.h | 11 +++++++++++
>  2 files changed, 41 insertions(+)
> 
> diff --git a/usock.c b/usock.c
> index 04ed4ee..39909c1 100644
> --- a/usock.c
> +++ b/usock.c
> @@ -117,3 +117,33 @@ int usock(int type, const char *host, const char *service) {
>  	usock_set_flags(sock, type);
>  	return sock;
>  }
> +
> +int usock_wait_ready(int fd, int msecs) {
> +	fd_set fds;
> +	struct timeval tv;
> +	int res;
> +
> +	FD_ZERO(&fds);
> +	FD_SET(fd, &fds);
> +
> +	tv.tv_sec = msecs / 1000;
> +	tv.tv_usec = (msecs % 1000) * 1000;
> +
> +	res = select(fd + 1, NULL, &fds, NULL, &tv);
Wouldn't it be better to use poll() here? The fd bitmask crap that
select uses is quite ugly.

- Felix
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