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Revert "core: Switch to unique_ptr for usage of Common::Fiber."

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bunnei 2021-03-05 17:08:17 -08:00 • committed by GitHub
parent 643c89399b
commit 845a217d5e
10 changed files with 59 additions and 58 deletions
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14
src/common/fiber.cpp
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@ -24,7 +24,7 @@ struct Fiber::FiberImpl {
std::function<void(void*)> rewind_point;
void* rewind_parameter{};
void* start_parameter{};
Fiber* previous_fiber;
std::shared_ptr<Fiber> previous_fiber;
bool is_thread_fiber{};
bool released{};
@ -47,7 +47,7 @@ void Fiber::Start(boost::context::detail::transfer_t& transfer) {
ASSERT(impl->previous_fiber != nullptr);
impl->previous_fiber->impl->context = transfer.fctx;
impl->previous_fiber->impl->guard.unlock();
impl->previous_fiber = nullptr;
impl->previous_fiber.reset();
impl->entry_point(impl->start_parameter);
UNREACHABLE();
}
@ -116,20 +116,20 @@ void Fiber::Rewind() {
boost::context::detail::jump_fcontext(impl->rewind_context, this);
}
void Fiber::YieldTo(Fiber* from, Fiber* to) {
void Fiber::YieldTo(std::shared_ptr<Fiber> from, std::shared_ptr<Fiber> to) {
ASSERT_MSG(from != nullptr, "Yielding fiber is null!");
ASSERT_MSG(to != nullptr, "Next fiber is null!");
to->impl->guard.lock();
to->impl->previous_fiber = from;
auto transfer = boost::context::detail::jump_fcontext(to->impl->context, to);
auto transfer = boost::context::detail::jump_fcontext(to->impl->context, to.get());
ASSERT(from->impl->previous_fiber != nullptr);
from->impl->previous_fiber->impl->context = transfer.fctx;
from->impl->previous_fiber->impl->guard.unlock();
from->impl->previous_fiber = nullptr;
from->impl->previous_fiber.reset();
}
std::unique_ptr<Fiber> Fiber::ThreadToFiber() {
std::unique_ptr<Fiber> fiber = std::unique_ptr<Fiber>{new Fiber()};
std::shared_ptr<Fiber> Fiber::ThreadToFiber() {
std::shared_ptr<Fiber> fiber = std::shared_ptr<Fiber>{new Fiber()};
fiber->impl->guard.lock();
fiber->impl->is_thread_fiber = true;
return fiber;