From 9b41976252bed54f5d51b40ffc41e4c183f7084e Mon Sep 17 00:00:00 2001
From: topjohnwu <topjohnwu@gmail.com>
Date: Sun, 17 Jun 2018 01:38:58 +0800
Subject: [PATCH] Preserve last log

---
 native/jni/core/log_monitor.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/native/jni/core/log_monitor.c b/native/jni/core/log_monitor.c
index c1375bcb0..f94fb67a1 100644
--- a/native/jni/core/log_monitor.c
+++ b/native/jni/core/log_monitor.c
@@ -106,6 +106,7 @@ static void *logger_thread(void *args) {
 }
 
 static void *magisk_log_thread(void *args) {
+	rename(LOGFILE, LOGFILE ".bak");
 	FILE *log = xfopen(LOGFILE, "w");
 	setbuf(log, NULL);
 	int pipefd[2];