2 * Copyright 2015 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 namespace folly { namespace fibers {
23 void Fiber::setFunction(F&& func) {
24 assert(state_ == INVALID);
25 func_ = std::move(func);
29 template <typename F, typename G>
30 void Fiber::setFunctionFinally(F&& resultFunc,
32 assert(state_ == INVALID);
33 resultFunc_ = std::move(resultFunc);
34 finallyFunc_ = std::move(finallyFunc);
38 inline void* Fiber::getUserBuffer() {
43 T& Fiber::LocalData::getSlow() {
44 dataSize_ = sizeof(T);
45 dataType_ = &typeid(T);
46 if (sizeof(T) <= kBufferSize) {
47 dataDestructor_ = dataBufferDestructor<T>;
50 dataDestructor_ = dataHeapDestructor<T>;
51 data_ = allocateHeapBuffer(dataSize_);
53 dataCopyConstructor_ = dataCopyConstructor<T>;
55 new (reinterpret_cast<T*>(data_)) T();
57 return *reinterpret_cast<T*>(data_);
61 void Fiber::LocalData::dataCopyConstructor(void* ptr, const void* other) {
62 new (reinterpret_cast<T*>(ptr)) T(*reinterpret_cast<const T*>(other));
66 void Fiber::LocalData::dataBufferDestructor(void* ptr) {
67 reinterpret_cast<T*>(ptr)->~T();
71 void Fiber::LocalData::dataHeapDestructor(void *ptr) {
72 reinterpret_cast<T*>(ptr)->~T();