skia2/include/core/SkExecutor.h
Brian Salomon 9a049e6ce3 SK_API SkExecutor
Change-Id: I8260d4c95d72f28b619145062f066fcd4e15589d
Reviewed-on: https://skia-review.googlesource.com/c/193960
Commit-Queue: Brian Salomon <bsalomon@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
Auto-Submit: Brian Salomon <bsalomon@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
2019-02-21 16:59:41 +00:00

35 lines
1.0 KiB
C++

/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkExecutor_DEFINED
#define SkExecutor_DEFINED
#include <functional>
#include <memory>
#include "SkTypes.h"
class SK_API SkExecutor {
public:
virtual ~SkExecutor();
// Create a thread pool SkExecutor with a fixed thread count, by default the number of cores.
static std::unique_ptr<SkExecutor> MakeFIFOThreadPool(int threads = 0);
static std::unique_ptr<SkExecutor> MakeLIFOThreadPool(int threads = 0);
// There is always a default SkExecutor available by calling SkExecutor::GetDefault().
static SkExecutor& GetDefault();
static void SetDefault(SkExecutor*); // Does not take ownership. Not thread safe.
// Add work to execute.
virtual void add(std::function<void(void)>) = 0;
// If it makes sense for this executor, use this thread to execute work for a little while.
virtual void borrow() {}
};
#endif//SkExecutor_DEFINED