Move threadpool code from include/utils to tools/threadpool.

src/utils/SkCondVar.cpp

-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkCondVar.h"
-
-SkCondVar::SkCondVar() {
-#ifdef SK_USE_POSIX_THREADS
-    pthread_mutex_init(&fMutex, NULL /* default mutex attr */);
-    pthread_cond_init(&fCond, NULL /* default cond attr */);
-#elif defined(SK_BUILD_FOR_WIN32)
-    InitializeCriticalSection(&fCriticalSection);
-    InitializeConditionVariable(&fCondition);
-#endif
-}
-
-SkCondVar::~SkCondVar() {
-#ifdef SK_USE_POSIX_THREADS
-    pthread_mutex_destroy(&fMutex);
-    pthread_cond_destroy(&fCond);
-#elif defined(SK_BUILD_FOR_WIN32)
-    DeleteCriticalSection(&fCriticalSection);
-    // No need to clean up fCondition.
-#endif
-}
-
-void SkCondVar::lock() {
-#ifdef SK_USE_POSIX_THREADS
-    pthread_mutex_lock(&fMutex);
-#elif defined(SK_BUILD_FOR_WIN32)
-    EnterCriticalSection(&fCriticalSection);
-#endif
-}
-
-void SkCondVar::unlock() {
-#ifdef SK_USE_POSIX_THREADS
-    pthread_mutex_unlock(&fMutex);
-#elif defined(SK_BUILD_FOR_WIN32)
-    LeaveCriticalSection(&fCriticalSection);
-#endif
-}
-
-void SkCondVar::wait() {
-#ifdef SK_USE_POSIX_THREADS
-    pthread_cond_wait(&fCond, &fMutex);
-#elif defined(SK_BUILD_FOR_WIN32)
-    SleepConditionVariableCS(&fCondition, &fCriticalSection, INFINITE);
-#endif
-}
-
-void SkCondVar::signal() {
-#ifdef SK_USE_POSIX_THREADS
-    pthread_cond_signal(&fCond);
-#elif defined(SK_BUILD_FOR_WIN32)
-    WakeConditionVariable(&fCondition);
-#endif
-}
-
-void SkCondVar::broadcast() {
-#ifdef SK_USE_POSIX_THREADS
-    pthread_cond_broadcast(&fCond);
-#elif defined(SK_BUILD_FOR_WIN32)
-    WakeAllConditionVariable(&fCondition);
-#endif
-}