From 4e7dafb0e4ab3c21d83411671a7a154e3c44039d Mon Sep 17 00:00:00 2001
From: topjohnwu <topjohnwu@gmail.com>
Date: Sat, 13 Apr 2019 02:43:43 -0400
Subject: [PATCH] Use bitset instead of vector

---
 native/jni/magiskhide/proc_monitor.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/native/jni/magiskhide/proc_monitor.cpp b/native/jni/magiskhide/proc_monitor.cpp
index 437ed3241..be6b47a63 100644
--- a/native/jni/magiskhide/proc_monitor.cpp
+++ b/native/jni/magiskhide/proc_monitor.cpp
@@ -20,6 +20,7 @@
 #include <sys/wait.h>
 #include <sys/mount.h>
 #include <vector>
+#include <bitset>
 
 #include <magisk.h>
 #include <utils.h>
@@ -44,8 +45,8 @@ static map<int, vector<string_view>> uid_proc_map;  /* uid -> list of process */
 pthread_mutex_t monitor_lock;
 
 #define PID_MAX 32768
-static vector<bool> attaches(PID_MAX);  /* true if pid is monitored */
-static vector<bool> detaches(PID_MAX);  /* true if tid should be detached */
+static bitset<PID_MAX> attaches;  /* true if pid is monitored */
+static bitset<PID_MAX> detaches;  /* true if tid should be detached */
 
 /********
  * Utils
@@ -242,8 +243,8 @@ static void term_thread(int) {
 	uid_proc_map.clear();
 	zygote_map.clear();
 	hide_set.clear();
-	std::fill(attaches.begin(), attaches.end(), false);
-	std::fill(detaches.begin(), detaches.end(), false);
+	attaches.reset();
+	detaches.reset();
 	// Misc
 	hide_enabled = false;
 	pthread_mutex_destroy(&monitor_lock);