gfx/skia/trunk/src/utils/SkCountdown.cpp@6474c204b198 (annotated)
gfx/skia/trunk/src/utils/SkCountdown.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2012 Google Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #include "SkCountdown.h" |
| michael@0 | 9 | #include "SkThread.h" |
| michael@0 | 10 | |
| michael@0 | 11 | SkCountdown::SkCountdown(int32_t count) |
| michael@0 | 12 | : fCount(count) {} |
| michael@0 | 13 | |
| michael@0 | 14 | void SkCountdown::reset(int32_t count) { |
| michael@0 | 15 | fCount = count; |
| michael@0 | 16 | } |
| michael@0 | 17 | |
| michael@0 | 18 | void SkCountdown::run() { |
| michael@0 | 19 | if (sk_atomic_dec(&fCount) == 1) { |
| michael@0 | 20 | fReady.lock(); |
| michael@0 | 21 | fReady.signal(); |
| michael@0 | 22 | fReady.unlock(); |
| michael@0 | 23 | } |
| michael@0 | 24 | } |
| michael@0 | 25 | |
| michael@0 | 26 | void SkCountdown::wait() { |
| michael@0 | 27 | fReady.lock(); |
| michael@0 | 28 | while (fCount > 0) { |
| michael@0 | 29 | fReady.wait(); |
| michael@0 | 30 | } |
| michael@0 | 31 | fReady.unlock(); |
| michael@0 | 32 | } |
