Use scoped_lock, etc

mesosphere/source/kresources/KResourceLimit.cpp

@@ -8,27 +8,27 @@ KResourceLimit KResourceLimit::defaultInstance{};
 size_t KResourceLimit::GetCurrentValue(KResourceLimit::Category category) const
 {
     // Caller should check category
-    std::lock_guard guard{condvar.mutex()};
+    std::scoped_lock guard{condvar.mutex()};
     return currentValues[(uint)category];
 }
 
 size_t KResourceLimit::GetLimitValue(KResourceLimit::Category category) const
 {
     // Caller should check category
-    std::lock_guard guard{condvar.mutex()};
+    std::scoped_lock guard{condvar.mutex()};
     return limitValues[(uint)category];
 }
 
 size_t KResourceLimit::GetRemainingValue(KResourceLimit::Category category) const
 {
     // Caller should check category
-    std::lock_guard guard{condvar.mutex()};
+    std::scoped_lock guard{condvar.mutex()};
     return limitValues[(uint)category] - currentValues[(uint)category];
 }
 
 bool KResourceLimit::SetLimitValue(KResourceLimit::Category category, size_t value)
 {
-    std::lock_guard guard{condvar.mutex()};
+    std::scoped_lock guard{condvar.mutex()};
     if ((long)value < 0 || currentValues[(uint)category] > value) {
         return false;
     } else {
@@ -40,7 +40,7 @@ bool KResourceLimit::SetLimitValue(KResourceLimit::Category category, size_t val
 void KResourceLimit::Release(KResourceLimit::Category category, size_t count, size_t realCount)
 {
     // Caller should ensure parameters are correct
-    std::lock_guard guard{condvar.mutex()};
+    std::scoped_lock guard{condvar.mutex()};
     currentValues[(uint)category] -= count;
     realValues[(uint)category] -= realCount;
     condvar.notify_all();
@@ -48,7 +48,7 @@ void KResourceLimit::Release(KResourceLimit::Category category, size_t count, si
 
 bool KResourceLimit::ReserveDetail(KResourceLimit::Category category, size_t count, const KSystemClock::time_point &timeoutTime)
 {
-    std::lock_guard guard{condvar.mutex()};
+    std::scoped_lock guard{condvar.mutex()};
     if ((long)count <= 0 || realValues[(uint)category] >= limitValues[(uint)category]) {
         return false;
     }