From 7db2622d30466700909e03f6e2d4fd12b6af0611 Mon Sep 17 00:00:00 2001
From: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
Date: Mon, 11 Jan 2021 10:24:22 +0000
Subject: [PATCH] Remove unused SynapseService (#9058)

---
 changelog.d/9058.misc     |  1 +
 synapse/app/homeserver.py | 22 ----------------------
 2 files changed, 1 insertion(+), 22 deletions(-)
 create mode 100644 changelog.d/9058.misc

diff --git a/changelog.d/9058.misc b/changelog.d/9058.misc
new file mode 100644
index 000000000..9df6796e2
--- /dev/null
+++ b/changelog.d/9058.misc
@@ -0,0 +1 @@
+Remove unused `SynapseService` class.
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index b1d9817a6..42b5dc53d 100644
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -15,13 +15,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import gc
 import logging
 import os
 import sys
 from typing import Iterable, Iterator
 
-from twisted.application import service
 from twisted.internet import defer, reactor
 from twisted.python.failure import Failure
 from twisted.web.resource import EncodingResourceWrapper, IResource
@@ -73,7 +71,6 @@ from synapse.storage.prepare_database import UpgradeDatabaseException
 from synapse.util.httpresourcetree import create_resource_tree
 from synapse.util.manhole import manhole
 from synapse.util.module_loader import load_module
-from synapse.util.rlimit import change_resource_limit
 from synapse.util.versionstring import get_version_string
 
 logger = logging.getLogger("synapse.app.homeserver")
@@ -487,25 +484,6 @@ def format_config_error(e: ConfigError) -> Iterator[str]:
         e = e.__cause__
 
 
-class SynapseService(service.Service):
-    """
-    A twisted Service class that will start synapse. Used to run synapse
-    via twistd and a .tac.
-    """
-
-    def __init__(self, config):
-        self.config = config
-
-    def startService(self):
-        hs = setup(self.config)
-        change_resource_limit(hs.config.soft_file_limit)
-        if hs.config.gc_thresholds:
-            gc.set_threshold(*hs.config.gc_thresholds)
-
-    def stopService(self):
-        return self._port.stopListening()
-
-
 def run(hs):
     PROFILE_SYNAPSE = False
     if PROFILE_SYNAPSE: