The Tor Browser: gfx/skia/trunk/src/utils/SkCountdown.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * Copyright 2012 Google Inc.

     3  *

     4  * Use of this source code is governed by a BSD-style license that can be

     5  * found in the LICENSE file.

     6  */

     8 #include "SkCountdown.h"

     9 #include "SkThread.h"

    11 SkCountdown::SkCountdown(int32_t count)

    12 : fCount(count) {}

    14 void SkCountdown::reset(int32_t count) {

    15     fCount = count;

    16 }

    18 void SkCountdown::run() {

    19     if (sk_atomic_dec(&fCount) == 1) {

    20         fReady.lock();

    21         fReady.signal();

    22         fReady.unlock();

    23     }

    24 }

    26 void SkCountdown::wait() {

    27     fReady.lock();

    28     while (fCount > 0) {

    29         fReady.wait();

    30     }

    31     fReady.unlock();

    32 }

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