Flutter Engine
count_down_latch.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "flutter/fml/synchronization/count_down_latch.h"
6 
7 #include "flutter/fml/logging.h"
8 
9 namespace fml {
10 
11 CountDownLatch::CountDownLatch(size_t count) : count_(count) {
12  if (count_ == 0) {
13  waitable_event_.Signal();
14  }
15 }
16 
18 
20  waitable_event_.Wait();
21 }
22 
24  if (--count_ == 0) {
25  waitable_event_.Signal();
26  }
27 }
28 
29 } // namespace fml
Definition: ascii_trie.cc:9
CountDownLatch(size_t count)