From e0ba524b2e69e6b7cb0d8f34c6426a6c36a39856 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <hans@eds.org>
Date: Tue, 10 Dec 2019 22:24:49 +0100
Subject: [PATCH] add TorService.torFreeAll() method to clean up between
 restarts

This is here as an experiment in case it is useful in Java space.  It is
looking like there are better ways to handle the shutdown, so my guess is
that this will not be useful.

* https://github.com/guardianproject/tor-android/pull/59
* https://github.com/guardianproject/tor-android/pull/61#discussion_r766016252
* https://github.com/guardianproject/tor-android/issues/57
---
 src/feature/api/org_torproject_jni_TorService.c | 10 ++++++++++
 src/feature/api/org_torproject_jni_TorService.h |  9 +++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/feature/api/org_torproject_jni_TorService.c b/src/feature/api/org_torproject_jni_TorService.c
index a9b74f06a06..1b93a436723 100644
--- a/src/feature/api/org_torproject_jni_TorService.c
+++ b/src/feature/api/org_torproject_jni_TorService.c
@@ -258,6 +258,16 @@ Java_org_torproject_jni_TorService_runMain
 {
   return RunMain(env, thisObj);
 }
+
+JNIEXPORT void JNICALL
+Java_org_torproject_jni_TorService_torFreeAll
+(JNIEnv *env, jobject _ignore)
+{
+  UNUSED(env);
+  UNUSED(_ignore);
+  tor_free_all(0);
+}
+
 /**
  * Android does not support UNIX Domain Sockets, but we can fake it by sending
  * the file descriptor via a java.io.FileDescriptor instance, which can be
diff --git a/src/feature/api/org_torproject_jni_TorService.h b/src/feature/api/org_torproject_jni_TorService.h
index 50edcaa10e9..4ea0e5f9e20 100644
--- a/src/feature/api/org_torproject_jni_TorService.h
+++ b/src/feature/api/org_torproject_jni_TorService.h
@@ -62,6 +62,15 @@ JNIEXPORT jint JNICALL
 Java_org_torproject_jni_TorService_runMain
 (JNIEnv *, jobject);
 
+/*
+ * Class:     org_torproject_jni_TorService
+ * Method:    torFreeAll
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL
+Java_org_torproject_jni_TorService_torFreeAll
+(JNIEnv *, jobject);
+
 /*
  * Class:     org_torproject_jni_TorService
  * Method:    prepareFileDescriptor