allow coroutines to set friendly names.

include/kore/python_methods.h

@@ -21,6 +21,7 @@ struct python_coro {
 	u_int64_t			id;
 	int				state;
 	PyObject			*obj;
+	char				*name;
 	PyObject			*result;
 	struct pysocket_op		*sockop;
 	struct pygather_op		*gatherop;
@@ -46,6 +47,7 @@ static PyObject		*python_kore_fatalx(PyObject *, PyObject *);
 static PyObject		*python_kore_setname(PyObject *, PyObject *);
 static PyObject		*python_kore_suspend(PyObject *, PyObject *);
 static PyObject		*python_kore_shutdown(PyObject *, PyObject *);
+static PyObject		*python_kore_coroname(PyObject *, PyObject *);
 static PyObject		*python_kore_bind_unix(PyObject *, PyObject *);
 static PyObject		*python_kore_prerequest(PyObject *, PyObject *);
 static PyObject		*python_kore_task_create(PyObject *, PyObject *);
@@ -86,6 +88,7 @@ static struct PyMethodDef pykore_methods[] = {
 	METHOD("setname", python_kore_setname, METH_VARARGS),
 	METHOD("suspend", python_kore_suspend, METH_VARARGS),
 	METHOD("shutdown", python_kore_shutdown, METH_NOARGS),
+	METHOD("coroname", python_kore_coroname, METH_VARARGS),
 	METHOD("bind_unix", python_kore_bind_unix, METH_VARARGS),
 	METHOD("prerequest", python_kore_prerequest, METH_VARARGS),
 	METHOD("task_create", python_kore_task_create, METH_VARARGS),

src/python.c

@@ -333,7 +333,9 @@ kore_python_coro_delete(void *obj)
 	else
 		TAILQ_REMOVE(&coro_suspended, coro, list);
 
+	kore_free(coro->name);
 	Py_XDECREF(coro->result);
+
 	kore_pool_put(&coro_pool, coro);
 }
 
@@ -553,6 +555,7 @@ python_coro_create(PyObject *obj, struct http_request *req)
 	coro = kore_pool_get(&coro_pool);
 	coro_count++;
 
+	coro->name = NULL;
 	coro->result = NULL;
 	coro->sockop = NULL;
 	coro->gatherop = NULL;
@@ -685,8 +688,13 @@ python_coro_trace(const char *label, struct python_coro *coro)
 	else
 		line = -1;
 
-	kore_log(LOG_NOTICE, "coro %" PRIu64 " %s <%s> @ [%s:%d]",
-	    coro->id, label, func, fname, line);
+	if (coro->name) {
+		kore_log(LOG_NOTICE, "coro '%s' %s <%s> @ [%s:%d]",
+		    coro->name, label, func, fname, line);
+	} else {
+		kore_log(LOG_NOTICE, "coro %" PRIu64 " %s <%s> @ [%s:%d]",
+		    coro->id, label, func, fname, line);
+	}
 }
 #endif
 
@@ -1517,6 +1525,26 @@ python_kore_shutdown(PyObject *self, PyObject *args)
 	Py_RETURN_TRUE;
 }
 
+static PyObject *
+python_kore_coroname(PyObject *self, PyObject *args)
+{
+	const char		*name;
+
+	if (coro_running == NULL) {
+		PyErr_SetString(PyExc_RuntimeError,
+		    "kore.coroname() only available in coroutines");
+		return (NULL);
+	}
+
+	if (!PyArg_ParseTuple(args, "s", &name))
+		return (NULL);
+
+	kore_free(coro_running->name);
+	coro_running->name = kore_strdup(name);
+
+	Py_RETURN_NONE;
+}
+
 static PyObject *
 python_kore_timer(PyObject *self, PyObject *args)
 {