Add kore_shutdown().

Allows workers to cleanly initiate a shutdown of the
entire server process.

include/kore/kore.h

@@ -540,6 +540,7 @@ extern struct kore_domain	*primary_dom;
 extern struct kore_pool		nb_pool;
 
 void		kore_signal(int);
+void		kore_shutdown(void);
 void		kore_signal_setup(void);
 void		kore_worker_wait(int);
 void		kore_worker_init(void);

include/kore/python_methods.h

@@ -33,6 +33,7 @@ static PyObject		*python_kore_bind(PyObject *, PyObject *);
 static PyObject		*python_kore_fatal(PyObject *, PyObject *);
 static PyObject		*python_kore_queue(PyObject *, PyObject *);
 static PyObject		*python_kore_fatalx(PyObject *, PyObject *);
+static PyObject		*python_kore_shutdown(PyObject *, PyObject *);
 static PyObject		*python_kore_bind_unix(PyObject *, PyObject *);
 static PyObject		*python_kore_task_create(PyObject *, PyObject *);
 static PyObject		*python_kore_socket_wrap(PyObject *, PyObject *);
@@ -55,6 +56,7 @@ static struct PyMethodDef pykore_methods[] = {
 	METHOD("queue", python_kore_queue, METH_VARARGS),
 	METHOD("fatal", python_kore_fatal, METH_VARARGS),
 	METHOD("fatalx", python_kore_fatalx, METH_VARARGS),
+	METHOD("shutdown", python_kore_shutdown, METH_NOARGS),
 	METHOD("bind_unix", python_kore_bind_unix, METH_VARARGS),
 	METHOD("task_create", python_kore_task_create, METH_VARARGS),
 	METHOD("socket_wrap", python_kore_socket_wrap, METH_VARARGS),

src/kore.c

@@ -541,6 +541,17 @@ kore_signal(int sig)
 	sig_recv = sig;
 }
 
+void
+kore_shutdown(void)
+{
+	if (worker != NULL) {
+		kore_msg_send(KORE_MSG_PARENT, KORE_MSG_SHUTDOWN, NULL, 0);
+		return;
+	}
+
+	fatal("kore_shutdown: called from parent");
+}
+
 static void
 kore_server_sslstart(void)
 {

src/python.c

@@ -958,6 +958,14 @@ python_kore_fatalx(PyObject *self, PyObject *args)
 	Py_RETURN_TRUE;
 }
 
+static PyObject *
+python_kore_shutdown(PyObject *self, PyObject *args)
+{
+	kore_shutdown();
+
+	Py_RETURN_TRUE;
+}
+
 static PyObject *
 python_import(const char *path)
 {