Re: [Xen-devel] [PATCH 1/3] python: Add binding for xs_fileno()
On Fri, Sep 15, 2017 at 05:35:34PM +0100, Euan Harris wrote: > xs_fileno() returns a file descriptor which receives events when Xenstore > watches fire. Exposing this in the Python bindings is a prerequisite > for writing event-driven clients in Python. > > Signed-off-by: Euan HarrisReviewed-by: Wei Liu ___ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
Re: [Xen-devel] [PATCH 1/3] python: Add binding for xs_fileno()
On Fri, Sep 15, 2017 at 05:35:34PM +0100, Euan Harris wrote: > xs_fileno() returns a file descriptor which receives events when Xenstore > watches fire. Exposing this in the Python bindings is a prerequisite > for writing event-driven clients in Python. > > Signed-off-by: Euan HarrisReviewed-by: Konrad Rzeszutek Wilk > --- > tools/python/xen/lowlevel/xs/xs.c | 20 > 1 file changed, 20 insertions(+) > > diff --git a/tools/python/xen/lowlevel/xs/xs.c > b/tools/python/xen/lowlevel/xs/xs.c > index aba5a20..9f1b916 100644 > --- a/tools/python/xen/lowlevel/xs/xs.c > +++ b/tools/python/xen/lowlevel/xs/xs.c > @@ -453,6 +453,25 @@ static PyObject *xspy_watch(XsHandle *self, PyObject > *args) > } > > > +#define xspy_fileno_doc "\n" \ > + "Return the FD to poll for notifications when watches fire.\n" \ > + "Returns: [int] file descriptor.\n"\ > + "\n" > + > +static PyObject *xspy_fileno(XsHandle *self) > +{ > +struct xs_handle *xh = xshandle(self); > +int fd; > + > +if (!xh) > +return NULL; > + > +fd = xs_fileno(xh); > + > +return PyInt_FromLong(fd); > +} > + > + > #define xspy_read_watch_doc "\n" \ > "Read a watch notification.\n" \ > "\n"\ > @@ -887,6 +906,7 @@ static PyMethodDef xshandle_methods[] = { > XSPY_METH(release_domain,METH_VARARGS), > XSPY_METH(close, METH_NOARGS), > XSPY_METH(get_domain_path, METH_VARARGS), > +XSPY_METH(fileno,METH_NOARGS), > { NULL /* Sentinel. */ }, > }; > > -- > 1.8.3.1 > > > ___ > Xen-devel mailing list > Xen-devel@lists.xen.org > https://lists.xen.org/xen-devel ___ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
[Xen-devel] [PATCH 1/3] python: Add binding for xs_fileno()
xs_fileno() returns a file descriptor which receives events when Xenstore watches fire. Exposing this in the Python bindings is a prerequisite for writing event-driven clients in Python. Signed-off-by: Euan Harris--- tools/python/xen/lowlevel/xs/xs.c | 20 1 file changed, 20 insertions(+) diff --git a/tools/python/xen/lowlevel/xs/xs.c b/tools/python/xen/lowlevel/xs/xs.c index aba5a20..9f1b916 100644 --- a/tools/python/xen/lowlevel/xs/xs.c +++ b/tools/python/xen/lowlevel/xs/xs.c @@ -453,6 +453,25 @@ static PyObject *xspy_watch(XsHandle *self, PyObject *args) } +#define xspy_fileno_doc "\n" \ + "Return the FD to poll for notifications when watches fire.\n" \ + "Returns: [int] file descriptor.\n"\ + "\n" + +static PyObject *xspy_fileno(XsHandle *self) +{ +struct xs_handle *xh = xshandle(self); +int fd; + +if (!xh) +return NULL; + +fd = xs_fileno(xh); + +return PyInt_FromLong(fd); +} + + #define xspy_read_watch_doc "\n" \ "Read a watch notification.\n" \ "\n"\ @@ -887,6 +906,7 @@ static PyMethodDef xshandle_methods[] = { XSPY_METH(release_domain,METH_VARARGS), XSPY_METH(close, METH_NOARGS), XSPY_METH(get_domain_path, METH_VARARGS), +XSPY_METH(fileno,METH_NOARGS), { NULL /* Sentinel. */ }, }; -- 1.8.3.1 ___ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel